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The Physics of Lightsabers | StarTalk


Startalk we’re back featuring my

Startalk we’re back featuring my interview with the British physicist

interview with the British physicist

interview with the British physicist Brian Cox so I had to bring up the fact

Brian Cox so I had to bring up the fact

Brian Cox so I had to bring up the fact that he and I had like a Twitter

that he and I had like a Twitter

that he and I had like a Twitter argument for the physics of lightsabers

argument for the physics of lightsabers

argument for the physics of lightsabers aha yeah and I just had to bring it up

aha yeah and I just had to bring it up

aha yeah and I just had to bring it up and just open up old wounds yeah right

and just open up old wounds yeah right

and just open up old wounds yeah right let’s find out how it went down I don’t

let’s find out how it went down I don’t

let’s find out how it went down I don’t remember how this happened I think I

remember how this happened I think I

remember how this happened I think I tweeted something about life savers then

tweeted something about life savers then

tweeted something about life savers then you jumped in and then people just

you jumped in and then people just

you jumped in and then people just wanted a fight yeah yeah that was a good

wanted a fight yeah yeah that was a good

wanted a fight yeah yeah that was a good gig fight I think I said if lightsabers

gig fight I think I said if lightsabers

gig fight I think I said if lightsabers are made of white yeah then they could

are made of white yeah then they could

are made of white yeah then they could surely do damage by cutting things but

surely do damage by cutting things but

surely do damage by cutting things but they would not stop one another the way

they would not stop one another the way

they would not stop one another the way two swords would in a swashbuckling

two swords would in a swashbuckling

two swords would in a swashbuckling encounter this that’s all I said there’s

encounter this that’s all I said there’s

encounter this that’s all I said there’s a process that I’ve studied actually

a process that I’ve studied actually

a process that I’ve studied actually photon photon R gamma gamma scattering

photon photon R gamma gamma scattering

photon photon R gamma gamma scattering we college okay so it’s a measured

we college okay so it’s a measured

we college okay so it’s a measured process at particle accelerators so very

process at particle accelerators so very

process at particle accelerators so very high energies very energy collisions

high energies very energy collisions

high energies very energy collisions there’s a probability that photons will

there’s a probability that photons will

there’s a probability that photons will will kick off each other fans off it

will kick off each other fans off it

will kick off each other fans off it rather than just pass through yes so

rather than just pass through yes so

rather than just pass through yes so it’s remarkable the remarkable property

it’s remarkable the remarkable property

it’s remarkable the remarkable property of particle physics so they don’t

of particle physics so they don’t

of particle physics so they don’t interact so I can look at you and all

interact so I can look at you and all

interact so I can look at you and all these other ones that are flying across

these other ones that are flying across

these other ones that are flying across there don’t mess up this view of you but

there don’t mess up this view of you but

there don’t mess up this view of you but actually radio waves and microwaves same

actually radio waves and microwaves same

actually radio waves and microwaves same yeah yeah i phi all over the place

yeah yeah i phi all over the place

yeah yeah i phi all over the place nothing two colliding but actually when

nothing two colliding but actually when

nothing two colliding but actually when you go up high any two high energies

you go up high any two high energies

you go up high any two high energies then the the probability that photons

then the the probability that photons

then the the probability that photons will collide with each other increases

will collide with each other increases

will collide with each other increases and one of the interesting things at

and one of the interesting things at

and one of the interesting things at cosmic ray physics that you might know

cosmic ray physics that you might know

cosmic ray physics that you might know about is that there’s a cut-off yes

about is that there’s a cut-off yes

about is that there’s a cut-off yes we’re donkey car off yeah whether the

we’re donkey car off yeah whether the

we’re donkey car off yeah whether the cosmic rays can be such high energy that

cosmic rays can be such high energy that

cosmic rays can be such high energy that the probability they are bounce off the

the probability they are bounce off the

the probability they are bounce off the photons in the Cosmic Microwave

photons in the Cosmic Microwave

photons in the Cosmic Microwave Background becomes high so so my point

Background becomes high so so my point

Background becomes high so so my point was just a technical one that photons do

was just a technical one that photons do

was just a technical one that photons do have a there’s a probability they’ll

have a there’s a probability they’ll

have a there’s a probability they’ll collide together and if you had this

collide together and if you had this

collide together and if you had this high energy all trying is your

high energy all trying is your

high energy all trying is your lightsaber it would have to be really

lightsaber it would have to be really

lightsaber it would have to be really really high energy lightsaber yeah and

really high energy lightsaber yeah and

really high energy lightsaber yeah and so now this would come into the regime

so now this would come into the regime

so now this would come into the regime that you’re describing and they would

that you’re describing and they would

that you’re describing and they would come in contact and they would you would

come in contact and they would you would

come in contact and they would you would feel this did they interact with each

feel this did they interact with each

feel this did they interact with each other just like just like these things

other just like just like these things

other just like just like these things interact okay what I loved about that

interact okay what I loved about that

interact okay what I loved about that though is you said which I love the fact

though is you said which I love the fact

though is you said which I love the fact that there’s

that there’s

that there’s there’s an audience for that that kind

there’s an audience for that that kind

there’s an audience for that that kind of interaction that we had and it’s case

of interaction that we had and it’s case

of interaction that we had and it’s case really geeky right it’s just you talking

really geeky right it’s just you talking

really geeky right it’s just you talking about lightsabers I had no the physics

about lightsabers I had no the physics

about lightsabers I had no the physics of the like species how much people dick

of the like species how much people dick

of the like species how much people dick out over there

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