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Inside Einstein’s mind, E=mc^2 | Ajoy Ghatak | TEDxJIIT


[Applause]

[Applause] good morning everyone it’s indeed my

good morning everyone it’s indeed my

good morning everyone it’s indeed my great pleasure and privilege to be here

great pleasure and privilege to be here

great pleasure and privilege to be here what I am going to tell you about is a

what I am going to tell you about is a

what I am going to tell you about is a little bit on one of the most beautiful

little bit on one of the most beautiful

little bit on one of the most beautiful minds of the past century namely that of

minds of the past century namely that of

minds of the past century namely that of Albert Einstein and his famous equation

Albert Einstein and his famous equation

Albert Einstein and his famous equation is equal to MC square the manifestation

is equal to MC square the manifestation

is equal to MC square the manifestation of that the consequences of that in the

of that the consequences of that in the

of that the consequences of that in the year 1999 just when the century ended

year 1999 just when the century ended

year 1999 just when the century ended the American Time magazine asked for

the American Time magazine asked for

the American Time magazine asked for nominations for the person of the

nominations for the person of the

nominations for the person of the century award and as you can imagine

century award and as you can imagine

century award and as you can imagine there were hundreds of nominations made

there were hundreds of nominations made

there were hundreds of nominations made and they had a tough time to decide on

and they had a tough time to decide on

and they had a tough time to decide on the finalists there were three finalists

the finalists there were three finalists

the finalists there were three finalists the first one was Franklin Roosevelt for

the first one was Franklin Roosevelt for

the first one was Franklin Roosevelt for triumph or freedom over fascism and

triumph or freedom over fascism and

triumph or freedom over fascism and communism about him Bill Clinton wrote

communism about him Bill Clinton wrote

communism about him Bill Clinton wrote when our children’s children read the

when our children’s children read the

when our children’s children read the story of the 20th century they will see

story of the 20th century they will see

story of the 20th century they will see that above all it is the story of

that above all it is the story of

that above all it is the story of freedom strife the victory of democracy

freedom strife the victory of democracy

freedom strife the victory of democracy were fascism of tolerance over prejudice

were fascism of tolerance over prejudice

were fascism of tolerance over prejudice and they will see that the embodiment of

and they will see that the embodiment of

and they will see that the embodiment of that triumph was President Franklin

that triumph was President Franklin

that triumph was President Franklin Roosevelt and the second finalist was

Roosevelt and the second finalist was

Roosevelt and the second finalist was our own Mahatma Gandhi as the embodiment

our own Mahatma Gandhi as the embodiment

our own Mahatma Gandhi as the embodiment of human rights and his faith in

of human rights and his faith in

of human rights and his faith in non-violence in the same issue of Time

non-violence in the same issue of Time

non-violence in the same issue of Time magazine Johanna

magazine Johanna

magazine Johanna McGarry wrote in an age of empire and

McGarry wrote in an age of empire and

McGarry wrote in an age of empire and military might

military might

military might Mahatma Gandhi proved that the powerless

Mahatma Gandhi proved that the powerless

Mahatma Gandhi proved that the powerless set power and that force of arms would

set power and that force of arms would

set power and that force of arms would not forever prevail against force of

not forever prevail against force of

not forever prevail against force of spirit that is so important for all of

spirit that is so important for all of

spirit that is so important for all of us our passionate commitment non-violent

us our passionate commitment non-violent

us our passionate commitment non-violent activism willingness to accept

activism willingness to accept

activism willingness to accept punishment for civil disobedience were

punishment for civil disobedience were

punishment for civil disobedience were lessons that Mahatma Gandhi taught

lessons that Mahatma Gandhi taught

lessons that Mahatma Gandhi taught Martin Luther King

Martin Luther King

Martin Luther King learned them so did Nelson Mandela leash

learned them so did Nelson Mandela leash

learned them so did Nelson Mandela leash valensa the unknown Chinese who defied

valensa the unknown Chinese who defied

valensa the unknown Chinese who defied the tanks in 1989 and grandi is that

the tanks in 1989 and grandi is that

the tanks in 1989 and grandi is that rare great man held in universal steam a

rare great man held in universal steam a

rare great man held in universal steam a figure lifted from history to moral icon

figure lifted from history to moral icon

figure lifted from history to moral icon but the person who was chosen as the

but the person who was chosen as the

but the person who was chosen as the person of this century was Albert

person of this century was Albert

person of this century was Albert Einstein about him

Einstein about him

Einstein about him Frederick golden wrote Einstein was the

Frederick golden wrote Einstein was the

Frederick golden wrote Einstein was the preeminent scientist in essentially

preeminent scientist in essentially

preeminent scientist in essentially dominated by science the touchstones of

dominated by science the touchstones of

dominated by science the touchstones of the era the atomic bomb the big bang

the era the atomic bomb the big bang

the era the atomic bomb the big bang quantum physics and electronics all bear

quantum physics and electronics all bear

quantum physics and electronics all bear his imprint he was the embodiment of

his imprint he was the embodiment of

his imprint he was the embodiment of pure intellect he was unfathomably

pure intellect he was unfathomably

pure intellect he was unfathomably profound the genius among geniuses who

profound the genius among geniuses who

profound the genius among geniuses who discovered merely by thinking about it

discovered merely by thinking about it

discovered merely by thinking about it that the universe was not a tragic scene

that the universe was not a tragic scene

that the universe was not a tragic scene although he was really a genius among

although he was really a genius among

although he was really a genius among geniuses he did very well in college but

geniuses he did very well in college but

geniuses he did very well in college but he had great difficulty in finding a

he had great difficulty in finding a

he had great difficulty in finding a teaching job in a school and therefore

teaching job in a school and therefore

teaching job in a school and therefore after the large number of unsuccessful

after the large number of unsuccessful

after the large number of unsuccessful it’s a lesson for all of us that

it’s a lesson for all of us that

it’s a lesson for all of us that failures do not matter we have to keep

failures do not matter we have to keep

failures do not matter we have to keep trying and eventually in 1905 when

trying and eventually in 1905 when

trying and eventually in 1905 when Einstein was 26 years old and while

Einstein was 26 years old and while

Einstein was 26 years old and while working in total isolation not in a

working in total isolation not in a

working in total isolation not in a university not in a research laboratory

university not in a research laboratory

university not in a research laboratory but in the Swiss Patent Office all by

but in the Swiss Patent Office all by

but in the Swiss Patent Office all by himself he published five outstanding

himself he published five outstanding

himself he published five outstanding papers these five papers are often

papers these five papers are often

papers these five papers are often referred to as the annus mirabilis

referred to as the annus mirabilis

referred to as the annus mirabilis papers annus mirabilis are latin words

papers annus mirabilis are latin words

papers annus mirabilis are latin words meaning miraculous here and there for

meaning miraculous here and there for

meaning miraculous here and there for the year 1905 is known as Einsteins year

the year 1905 is known as Einsteins year

the year 1905 is known as Einsteins year of miracles the Year 1666 was the year

of miracles the Year 1666 was the year

of miracles the Year 1666 was the year of miracles for Isaac Newton when the

of miracles for Isaac Newton when the

of miracles for Isaac Newton when the University of Cambridge closed down

University of Cambridge closed down

University of Cambridge closed down because of the plague in the United

because of the plague in the United

because of the plague in the United Kingdom and Newton was sent home and

Kingdom and Newton was sent home and

Kingdom and Newton was sent home and there in total isolation he wrote down

there in total isolation he wrote down

there in total isolation he wrote down the law

the law

the law of motional of the planetary motion he

of motional of the planetary motion he

of motional of the planetary motion he worked out a theory of app optics and

worked out a theory of app optics and

worked out a theory of app optics and also he introduced the calculus in the

also he introduced the calculus in the

also he introduced the calculus in the five papers that he published the first

five papers that he published the first

five papers that he published the first one was on a new method for

one was on a new method for

one was on a new method for determination of molecular dimensions

determination of molecular dimensions

determination of molecular dimensions the size of water molecules for example

the size of water molecules for example

the size of water molecules for example how big it is he gave a very beautiful

how big it is he gave a very beautiful

how big it is he gave a very beautiful method for the determination of that

method for the determination of that

method for the determination of that size in the second paper which was

size in the second paper which was

size in the second paper which was revolutionary in nature he said

revolutionary in nature he said

revolutionary in nature he said radiation that is light can be emitted

radiation that is light can be emitted

radiation that is light can be emitted or absorbed only discrete amounts called

or absorbed only discrete amounts called

or absorbed only discrete amounts called quanta packets of energy and the value

quanta packets of energy and the value

quanta packets of energy and the value of that energy was proportional to the

of that energy was proportional to the

of that energy was proportional to the frequency nu of the radiation that is

frequency nu of the radiation that is

frequency nu of the radiation that is emitted and these quanta are now known

emitted and these quanta are now known

emitted and these quanta are now known as photons this was a revolutionary

as photons this was a revolutionary

as photons this was a revolutionary concept because at that point of time

concept because at that point of time

concept because at that point of time Maxwell’s electromagnetic wave theory

Maxwell’s electromagnetic wave theory

Maxwell’s electromagnetic wave theory that light was a wave phenomena was very

that light was a wave phenomena was very

that light was a wave phenomena was very well accepted and this eventually led to

well accepted and this eventually led to

well accepted and this eventually led to what is known as the wave particle

what is known as the wave particle

what is known as the wave particle duality and the development of quantum

duality and the development of quantum

duality and the development of quantum theory quantum theory has been a

theory quantum theory has been a

theory quantum theory has been a revolution in the in the past century

revolution in the in the past century

revolution in the in the past century and that was introduced by by Albert

and that was introduced by by Albert

and that was introduced by by Albert Einstein in the year 1905 and in the

Einstein in the year 1905 and in the

Einstein in the year 1905 and in the third paper Albert Einstein gave a very

third paper Albert Einstein gave a very

third paper Albert Einstein gave a very beautiful theory of Brownian motion

beautiful theory of Brownian motion

beautiful theory of Brownian motion which involves the the movement of a big

which involves the the movement of a big

which involves the the movement of a big particle by continuous collisions with

particle by continuous collisions with

particle by continuous collisions with many smaller molecules of the gas the

many smaller molecules of the gas the

many smaller molecules of the gas the smaller molecules in this video is shown

smaller molecules in this video is shown

smaller molecules in this video is shown by tiny dots and a big particle like a

by tiny dots and a big particle like a

by tiny dots and a big particle like a virus will make random movement and it

virus will make random movement and it

virus will make random movement and it is this random movement of which he gave

is this random movement of which he gave

is this random movement of which he gave a very beautiful theory in his fourth

a very beautiful theory in his fourth

a very beautiful theory in his fourth paper he put forward the special theory

paper he put forward the special theory

paper he put forward the special theory of relativity which implied that time is

of relativity which implied that time is

of relativity which implied that time is not absolute if I go from here on a fast

not absolute if I go from here on a fast

not absolute if I go from here on a fast aircraft and come back my watch will

aircraft and come back my watch will

aircraft and come back my watch will show a slightly different time than

show a slightly different time than

show a slightly different time than yours and in the v paper he introduced

yours and in the v paper he introduced

yours and in the v paper he introduced the famous equation e is equal to MC

the famous equation e is equal to MC

the famous equation e is equal to MC square

square

square and this equation has become so famous

and this equation has become so famous

and this equation has become so famous that many have put on their shirt many

that many have put on their shirt many

that many have put on their shirt many have tattooed them on their back or

have tattooed them on their back or

have tattooed them on their back or front so in the previous of the book

front so in the previous of the book

front so in the previous of the book which has the title of E is equal to MC

which has the title of E is equal to MC

which has the title of E is equal to MC square a biography of the world’s most

square a biography of the world’s most

square a biography of the world’s most famous equation david botanist the

famous equation david botanist the

famous equation david botanist the author writes a few years ago i was

author writes a few years ago i was

author writes a few years ago i was reading an interview with the actress

reading an interview with the actress

reading an interview with the actress Cameron Diaz in a movie magazine at the

Cameron Diaz in a movie magazine at the

Cameron Diaz in a movie magazine at the end the interviewer asked her if there

end the interviewer asked her if there

end the interviewer asked her if there was anything she wanted to know and she

was anything she wanted to know and she

was anything she wanted to know and she said she would like to know what E is

said she would like to know what E is

said she would like to know what E is equal to MC square really means they

equal to MC square really means they

equal to MC square really means they both laughed then Diaz mumbled that she

both laughed then Diaz mumbled that she

both laughed then Diaz mumbled that she had meant it and then the interview

had meant it and then the interview

had meant it and then the interview ended so if a beautiful actress like

ended so if a beautiful actress like

ended so if a beautiful actress like Cameron Diaz wants to move what really

Cameron Diaz wants to move what really

Cameron Diaz wants to move what really is equal to MC square means so I thought

is equal to MC square means so I thought

is equal to MC square means so I thought people in at-large public at large would

people in at-large public at large would

people in at-large public at large would be interested to know and that is the

be interested to know and that is the

be interested to know and that is the purpose of this talk and this equation

purpose of this talk and this equation

purpose of this talk and this equation implies the equivalence of mass and

implies the equivalence of mass and

implies the equivalence of mass and energy and that mass can be converted to

energy and that mass can be converted to

energy and that mass can be converted to energy and vice versa and the

energy and vice versa and the

energy and vice versa and the manifestations of this beautiful

manifestations of this beautiful

manifestations of this beautiful principle so let us consider two magnets

principle so let us consider two magnets

principle so let us consider two magnets facing each other without having an

facing each other without having an

facing each other without having an exact mass each having an exact mass of

exact mass each having an exact mass of

exact mass each having an exact mass of one kilogram and when they attract and

one kilogram and when they attract and

one kilogram and when they attract and get stuck together then their mass total

get stuck together then their mass total

get stuck together then their mass total mass is slightly less and this we assume

mass is slightly less and this we assume

mass is slightly less and this we assume let us suppose a loss of mass of about a

let us suppose a loss of mass of about a

let us suppose a loss of mass of about a millionth of a gram and which is a

millionth of a gram and which is a

millionth of a gram and which is a billionth of a kilogram then when the

billionth of a kilogram then when the

billionth of a kilogram then when the two magnets joined together there is a

two magnets joined together there is a

two magnets joined together there is a slight change in the mass and if I

slight change in the mass and if I

slight change in the mass and if I multiply with the square of the velocity

multiply with the square of the velocity

multiply with the square of the velocity of light which is 300 million meters per

of light which is 300 million meters per

of light which is 300 million meters per second we find that in the process of

second we find that in the process of

second we find that in the process of the two magnets hitting and ninety

the two magnets hitting and ninety

the two magnets hitting and ninety million joules of energy will be

million joules of energy will be

million joules of energy will be released and this energy will be

released and this energy will be

released and this energy will be released in the form of heat because the

released in the form of heat because the

released in the form of heat because the they will hit together with the

they will hit together with the

they will hit together with the tremendous velocity

tremendous velocity

tremendous velocity thus a loss of mass of a

thus a loss of mass of a

thus a loss of mass of a one millionth of a gram will correspond

one millionth of a gram will correspond

one millionth of a gram will correspond to a release of about 90 million joules

to a release of about 90 million joules

to a release of about 90 million joules of energy on the other hand when the mic

of energy on the other hand when the mic

of energy on the other hand when the mic two magnets are stuck together it will

two magnets are stuck together it will

two magnets are stuck together it will require about 90 million joules of

require about 90 million joules of

require about 90 million joules of energy which would be supplied by your

energy which would be supplied by your

energy which would be supplied by your muscles to separate them and in the

muscles to separate them and in the

muscles to separate them and in the process a tiny amount of mass will be

process a tiny amount of mass will be

process a tiny amount of mass will be created so that if two magnets are stuck

created so that if two magnets are stuck

created so that if two magnets are stuck together

together

together a strongly bound system if you make it a

a strongly bound system if you make it a

a strongly bound system if you make it a loosely bound system you’ll have to do

loosely bound system you’ll have to do

loosely bound system you’ll have to do work on it and when you do when you

work on it and when you do when you

work on it and when you do when you supply energy a small amount of mass

supply energy a small amount of mass

supply energy a small amount of mass gets created to give you an idea what

gets created to give you an idea what

gets created to give you an idea what one Joule is a hundred watt bulb gives

one Joule is a hundred watt bulb gives

one Joule is a hundred watt bulb gives out hundred joules of energy per second

out hundred joules of energy per second

out hundred joules of energy per second now any atom consists of a tiny nucleus

now any atom consists of a tiny nucleus

now any atom consists of a tiny nucleus which is at the center of the atom which

which is at the center of the atom which

which is at the center of the atom which has occupies a very very small space and

has occupies a very very small space and

has occupies a very very small space and which consists of neutrons and protons

which consists of neutrons and protons

which consists of neutrons and protons held together by strong nuclear forces

held together by strong nuclear forces

held together by strong nuclear forces in the drag Ram the lithium atom

in the drag Ram the lithium atom

in the drag Ram the lithium atom consists of three electrons orbiting

consists of three electrons orbiting

consists of three electrons orbiting around a nucleus which consists of three

around a nucleus which consists of three

around a nucleus which consists of three protons and four neutrons so the

protons and four neutrons so the

protons and four neutrons so the simplest nucleus is the dirt around

simplest nucleus is the dirt around

simplest nucleus is the dirt around nucleus which consists of a proton and

nucleus which consists of a proton and

nucleus which consists of a proton and neutron and stuck together and therefore

neutron and stuck together and therefore

neutron and stuck together and therefore because there will be a certain amount

because there will be a certain amount

because there will be a certain amount of energy that is required to separate

of energy that is required to separate

of energy that is required to separate them if they are separated then that

them if they are separated then that

them if they are separated then that will be more than the deuteron nucleus

will be more than the deuteron nucleus

will be more than the deuteron nucleus itself and in the process in the so the

itself and in the process in the so the

itself and in the process in the so the energy released when they get stuck

energy released when they get stuck

energy released when they get stuck together is two point two three million

together is two point two three million

together is two point two three million electron volts million electron volt is

electron volts million electron volt is

electron volts million electron volt is an energy that nuclear physicists use

an energy that nuclear physicists use

an energy that nuclear physicists use which is about one tenth of a billet

which is about one tenth of a billet

which is about one tenth of a billet trillionth of one Jun so you will have

trillionth of one Jun so you will have

trillionth of one Jun so you will have to supply a certain amount of energy to

to supply a certain amount of energy to

to supply a certain amount of energy to make a tightly bound system like the

make a tightly bound system like the

make a tightly bound system like the deuteron nucleus to go over to a loosely

deuteron nucleus to go over to a loosely

deuteron nucleus to go over to a loosely bound system thereby creating a small

bound system thereby creating a small

bound system thereby creating a small amount of mass and similarly if a

amount of mass and similarly if a

amount of mass and similarly if a loosely bound system

loosely bound system

loosely bound system goes over to a title mall system certain

goes over to a title mall system certain

goes over to a title mall system certain amount of energy is released so you have

amount of energy is released so you have

amount of energy is released so you have the famous fusion reaction in which you

the famous fusion reaction in which you

the famous fusion reaction in which you have a deuteron nucleus which consists

have a deuteron nucleus which consists

have a deuteron nucleus which consists of a proton and neutron and the tritium

of a proton and neutron and the tritium

of a proton and neutron and the tritium nucleus which consists of one proton and

nucleus which consists of one proton and

nucleus which consists of one proton and two neutrons they fuse together and this

two neutrons they fuse together and this

two neutrons they fuse together and this fusion takes place at extremely high

fusion takes place at extremely high

fusion takes place at extremely high temperature because these are both

temperature because these are both

temperature because these are both positively charged particles they repel

positively charged particles they repel

positively charged particles they repel and so they fuse together and to form a

and so they fuse together and to form a

and so they fuse together and to form a neutron and an alpha particle in the

neutron and an alpha particle in the

neutron and an alpha particle in the beginning you have three neutrons and

beginning you have three neutrons and

beginning you have three neutrons and two protons and in the in the end you

two protons and in the in the end you

two protons and in the in the end you also have three neutrons and two protons

also have three neutrons and two protons

also have three neutrons and two protons except for the fact that the alpha

except for the fact that the alpha

except for the fact that the alpha particle is very tightly bound and so

particle is very tightly bound and so

particle is very tightly bound and so therefore therefore there is a loss in

therefore therefore there is a loss in

therefore therefore there is a loss in mass and a considerable amount of energy

mass and a considerable amount of energy

mass and a considerable amount of energy is emitted in the form of kinetic energy

is emitted in the form of kinetic energy

is emitted in the form of kinetic energy motion energy associated with the alpha

motion energy associated with the alpha

motion energy associated with the alpha particle and the neutron the binding

particle and the neutron the binding

particle and the neutron the binding energy of the deuteron is 2.2 3mf of the

energy of the deuteron is 2.2 3mf of the

energy of the deuteron is 2.2 3mf of the tritium is eight point four eight so the

tritium is eight point four eight so the

tritium is eight point four eight so the total binding energy is ten point seven

total binding energy is ten point seven

total binding energy is ten point seven million electron volts that is ten point

million electron volts that is ten point

million electron volts that is ten point seven million electron volts will be

seven million electron volts will be

seven million electron volts will be required to separate all the five

required to separate all the five

required to separate all the five particles on the other hand the binding

particles on the other hand the binding

particles on the other hand the binding energy of the alpha particle is very

energy of the alpha particle is very

energy of the alpha particle is very large that is a very tightly bound

large that is a very tightly bound

large that is a very tightly bound nucleus and in the process therefore

nucleus and in the process therefore

nucleus and in the process therefore seventeen point six MeV of energy will

seventeen point six MeV of energy will

seventeen point six MeV of energy will be released which is in the form of heat

be released which is in the form of heat

be released which is in the form of heat so that if you have such reactions then

so that if you have such reactions then

so that if you have such reactions then heat will be generated although the

heat will be generated although the

heat will be generated although the number of neutrons and protons remain

number of neutrons and protons remain

number of neutrons and protons remain the same such fusion reactions therefore

the same such fusion reactions therefore

the same such fusion reactions therefore require very high temperature our Sun is

require very high temperature our Sun is

require very high temperature our Sun is like a four hundred trillion trillion

like a four hundred trillion trillion

like a four hundred trillion trillion watt light bulb

watt light bulb

watt light bulb therefore it emits four hundred trillion

therefore it emits four hundred trillion

therefore it emits four hundred trillion trillion joules of energy per second and

trillion joules of energy per second and

trillion joules of energy per second and if we now use the equation we will find

if we now use the equation we will find

if we now use the equation we will find that the mass that is continuously

that the mass that is continuously

that the mass that is continuously getting converted to energy is four

getting converted to energy is four

getting converted to energy is four billion kilograms per second so in one

billion kilograms per second so in one

billion kilograms per second so in one second the Sun is losing mass of the

second the Sun is losing mass of the

second the Sun is losing mass of the order of

order of

order of four billion kilograms and so therefore

four billion kilograms and so therefore

four billion kilograms and so therefore every year about 120,000 trillion

every year about 120,000 trillion

every year about 120,000 trillion kilograms of mass is continuously

kilograms of mass is continuously

kilograms of mass is continuously getting converted into energy this is a

getting converted into energy this is a

getting converted into energy this is a huge amount of mass but the Sun is so

huge amount of mass but the Sun is so

huge amount of mass but the Sun is so big that the fractional change is

big that the fractional change is

big that the fractional change is extremely small so initially our Sun

extremely small so initially our Sun

extremely small so initially our Sun this consists of hydrogen atoms and

this consists of hydrogen atoms and

this consists of hydrogen atoms and which attracted each other

which attracted each other

which attracted each other gravitational pull and as they collapsed

gravitational pull and as they collapsed

gravitational pull and as they collapsed a loosely bound system went over to a

a loosely bound system went over to a

a loosely bound system went over to a tightly bound system creating heat so it

tightly bound system creating heat so it

tightly bound system creating heat so it became hot and it became so hot

became hot and it became so hot

became hot and it became so hot that the fusion reaction started we are

that the fusion reaction started we are

that the fusion reaction started we are at this moment about 4.5 billion years

at this moment about 4.5 billion years

at this moment about 4.5 billion years and as we as the nuclear fuel inside the

and as we as the nuclear fuel inside the

and as we as the nuclear fuel inside the Sun gets exhausted the gravity will not

Sun gets exhausted the gravity will not

Sun gets exhausted the gravity will not be able to hold it together and it will

be able to hold it together and it will

be able to hold it together and it will form a red giant in about five billion

form a red giant in about five billion

form a red giant in about five billion years and will envelop the earth and

years and will envelop the earth and

years and will envelop the earth and then astrophysicists tell us that in

then astrophysicists tell us that in

then astrophysicists tell us that in another five billion years it will

another five billion years it will

another five billion years it will collapse to form what is known as a

collapse to form what is known as a

collapse to form what is known as a white dwarf star so in a later statement

white dwarf star so in a later statement

white dwarf star so in a later statement explaining the ideas expressed by the

explaining the ideas expressed by the

explaining the ideas expressed by the equation is equal to MC square

equation is equal to MC square

equation is equal to MC square Einstein summarized these are nine

Einstein summarized these are nine

Einstein summarized these are nine Stein’s own words which you can see on

Stein’s own words which you can see on

Stein’s own words which you can see on YouTube it’s followed from the special

YouTube it’s followed from the special

YouTube it’s followed from the special theory of relativity that mass and

theory of relativity that mass and

theory of relativity that mass and energy are both but different

energy are both but different

energy are both but different manifestations of the same thing as

manifestations of the same thing as

manifestations of the same thing as somewhat unfamiliar conception for the

somewhat unfamiliar conception for the

somewhat unfamiliar conception for the average mind furthermore the equation is

average mind furthermore the equation is

average mind furthermore the equation is equal to MC square in which energy is

equal to MC square in which energy is

equal to MC square in which energy is put equal to mass multiplied by the

put equal to mass multiplied by the

put equal to mass multiplied by the square of the velocity of light shown

square of the velocity of light shown

square of the velocity of light shown that very small amount of mass may be

that very small amount of mass may be

that very small amount of mass may be converted into a very large amount of

converted into a very large amount of

converted into a very large amount of energy and visa versa if we have

energy and visa versa if we have

energy and visa versa if we have uncontrolled fusion reactions we have

uncontrolled fusion reactions we have

uncontrolled fusion reactions we have what is known as the hydrogen bomb which

what is known as the hydrogen bomb which

what is known as the hydrogen bomb which is threatening mankind today

is threatening mankind today

is threatening mankind today on the other hand if we have controlled

on the other hand if we have controlled

on the other hand if we have controlled fusion reactions we have what is known

fusion reactions we have what is known

fusion reactions we have what is known as the fusion reactor which is the

as the fusion reactor which is the

as the fusion reactor which is the future of energy generation process and

future of energy generation process and

future of energy generation process and we have unlimited supply of fusion power

we have unlimited supply of fusion power

we have unlimited supply of fusion power ahead of us right now extensive research

ahead of us right now extensive research

ahead of us right now extensive research is going on in two different types of

is going on in two different types of

is going on in two different types of fusion reactors one in which the fusion

fusion reactors one in which the fusion

fusion reactors one in which the fusion system consists of powerful laser beams

system consists of powerful laser beams

system consists of powerful laser beams a large number of laser beams light

a large number of laser beams light

a large number of laser beams light beams are focused and and onto the

beams are focused and and onto the

beams are focused and and onto the target and creating extremely high

target and creating extremely high

target and creating extremely high temperature and generation of what is

temperature and generation of what is

temperature and generation of what is known as fusion power this photograph is

known as fusion power this photograph is

known as fusion power this photograph is the set up at the Lawrence Livermore

the set up at the Lawrence Livermore

the set up at the Lawrence Livermore Laboratory in the United States which

Laboratory in the United States which

Laboratory in the United States which can deliver more than 500 trillion watts

can deliver more than 500 trillion watts

can deliver more than 500 trillion watts of peak power to the target and this is

of peak power to the target and this is

of peak power to the target and this is the second the other device is known as

the second the other device is known as

the second the other device is known as the Tomic tokamak which uses a powerful

the Tomic tokamak which uses a powerful

the Tomic tokamak which uses a powerful magnetic field to confine a plasma in

magnetic field to confine a plasma in

magnetic field to confine a plasma in the shape of a torus for producing

the shape of a torus for producing

the shape of a torus for producing controlled thermonuclear fusion power in

controlled thermonuclear fusion power in

controlled thermonuclear fusion power in fact as most of you would know that

fact as most of you would know that

fact as most of you would know that India is a very active partner in that

India is a very active partner in that

India is a very active partner in that and we hope I sincerely hope in my

and we hope I sincerely hope in my

and we hope I sincerely hope in my lifetime I am able to see these fusion

lifetime I am able to see these fusion

lifetime I am able to see these fusion reactors in operation so as bananas in

reactors in operation so as bananas in

reactors in operation so as bananas in the same book on ease equal to MC square

the same book on ease equal to MC square

the same book on ease equal to MC square writes it is as if when God created the

writes it is as if when God created the

writes it is as if when God created the universe he had said I’m going to put X

universe he had said I’m going to put X

universe he had said I’m going to put X amount of energy in this universal mind

amount of energy in this universal mind

amount of energy in this universal mind so when he created this universe he had

so when he created this universe he had

so when he created this universe he had put a certain amount of energy into this

put a certain amount of energy into this

put a certain amount of energy into this universe I will let stars grow and

universe I will let stars grow and

universe I will let stars grow and explode

explode

explode there will be fires explosion of

there will be fires explosion of

there will be fires explosion of volcanoes despite all these variations

volcanoes despite all these variations

volcanoes despite all these variations the total amount of energy will remain

the total amount of energy will remain

the total amount of energy will remain the same so there will be continuous

the same so there will be continuous

the same so there will be continuous transformation from energy to mass and

transformation from energy to mass and

transformation from energy to mass and from mass to energy the amount I created

from mass to energy the amount I created

from mass to energy the amount I created at the beginning will not change there

at the beginning will not change there

at the beginning will not change there will not be one millionth part less than

will not be one millionth part less than

will not be one millionth part less than what was there to start so with that I

what was there to start so with that I

what was there to start so with that I end my lecture

end my lecture

end my lecture thank you very much

”

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