if a small magnifying glass will burn things with sunlight how much power
things with sunlight how much power
things with sunlight how much power could you get from a lens as big as you
could you get from a lens as big as you
could you get from a lens as big as you in this project we’re hacking open a
in this project we’re hacking open a
in this project we’re hacking open a rear projection TV because that’s where
rear projection TV because that’s where
rear projection TV because that’s where you can find one of these amazing solar
you can find one of these amazing solar
you can find one of these amazing solar Scorchers for free
to get started the first thing I’m going
to get started the first thing I’m going to do is log online to my local
to do is log online to my local
to do is log online to my local classifieds and search for a free
classifieds and search for a free
classifieds and search for a free big-screen TV these TVs are way outdated
big-screen TV these TVs are way outdated
big-screen TV these TVs are way outdated and usually cost more to repair than
and usually cost more to repair than
and usually cost more to repair than they’re worth so loads of people are
they’re worth so loads of people are
they’re worth so loads of people are trying to get rid of them I can already
trying to get rid of them I can already
trying to get rid of them I can already see one here it’s a 50 inch Toshiba and
see one here it’s a 50 inch Toshiba and
see one here it’s a 50 inch Toshiba and it looks like it’s about 13 years old
it looks like it’s about 13 years old
it looks like it’s about 13 years old everything works except the color and
everything works except the color and
everything works except the color and that’s okay because I don’t really
that’s okay because I don’t really
that’s okay because I don’t really intend to watch TV with it these TVs are
intend to watch TV with it these TVs are
intend to watch TV with it these TVs are humongous and very heavy so I’m gonna
humongous and very heavy so I’m gonna
humongous and very heavy so I’m gonna need a truck and a little help now
need a truck and a little help now
need a truck and a little help now here’s my brother with his truck he’s
here’s my brother with his truck he’s
here’s my brother with his truck he’s gonna help me out today it’s about
gonna help me out today it’s about
gonna help me out today it’s about lunchtime and he’s on his break we’ve
lunchtime and he’s on his break we’ve
lunchtime and he’s on his break we’ve just arrived at this lady’s house and
just arrived at this lady’s house and
just arrived at this lady’s house and stepped inside to thank her for donating
stepped inside to thank her for donating
stepped inside to thank her for donating her free TV the price was certainly
her free TV the price was certainly
her free TV the price was certainly right and I’m a happy customer now you
right and I’m a happy customer now you
right and I’m a happy customer now you got to watch out these TVs could be a
got to watch out these TVs could be a
got to watch out these TVs could be a couple hundred pounds so I don’t
couple hundred pounds so I don’t
couple hundred pounds so I don’t recommend lifting them on your own
recommend lifting them on your own
recommend lifting them on your own luckily this TV has rollers so we’ll
luckily this TV has rollers so we’ll
luckily this TV has rollers so we’ll roll it over to the truck and load it
roll it over to the truck and load it
roll it over to the truck and load it with the screen facing up we don’t
with the screen facing up we don’t
with the screen facing up we don’t really care too much about the condition
really care too much about the condition
really care too much about the condition this travels in as long as the screen is
this travels in as long as the screen is
this travels in as long as the screen is protected now it’s time to head back
protected now it’s time to head back
protected now it’s time to head back home and start hacking this TV of hard
home and start hacking this TV of hard
home and start hacking this TV of hard all load the TV from the back of the
all load the TV from the back of the
all load the TV from the back of the truck is very heavy and unfortunately my
truck is very heavy and unfortunately my
truck is very heavy and unfortunately my brother’s back at work so I’m unloading
brother’s back at work so I’m unloading
brother’s back at work so I’m unloading it by myself but it’s down now there’s
it by myself but it’s down now there’s
it by myself but it’s down now there’s some success the TV is now in my
some success the TV is now in my
some success the TV is now in my backyard and I can get to work first
backyard and I can get to work first
backyard and I can get to work first thing I’m gonna do is remove this
thing I’m gonna do is remove this
thing I’m gonna do is remove this speaker guard to expose the speakers and
speaker guard to expose the speakers and
speaker guard to expose the speakers and I can take these and remove them for a
I can take these and remove them for a
I can take these and remove them for a future project these are 8 ohm speakers
future project these are 8 ohm speakers
future project these are 8 ohm speakers and I’m sure I can find a good use for
and I’m sure I can find a good use for
and I’m sure I can find a good use for them now just above the speakers I found
them now just above the speakers I found
them now just above the speakers I found a couple of tabs holding the screen in
a couple of tabs holding the screen in
a couple of tabs holding the screen in place after removing the two screws on
place after removing the two screws on
place after removing the two screws on each side the screen lifts straight up
each side the screen lifts straight up
each side the screen lifts straight up and pops off exposing the inside of the
and pops off exposing the inside of the
and pops off exposing the inside of the TV you can see at the bottom the red
TV you can see at the bottom the red
TV you can see at the bottom the red green and blue cathode ray tubes with
green and blue cathode ray tubes with
green and blue cathode ray tubes with their respective lens casings as well as
their respective lens casings as well as
their respective lens casings as well as a nice big mirror
a nice big mirror
a nice big mirror now since this mirror is used for
now since this mirror is used for
now since this mirror is used for projection it’s super reflective so I’m
projection it’s super reflective so I’m
projection it’s super reflective so I’m going to remove the screws holding that
going to remove the screws holding that
going to remove the screws holding that in place and save it for a different
in place and save it for a different
in place and save it for a different project
project
project this TV screen has three separate layers
this TV screen has three separate layers
this TV screen has three separate layers it’s hard to see but the front layer is
it’s hard to see but the front layer is
it’s hard to see but the front layer is a large piece of plexiglass that could
a large piece of plexiglass that could
a large piece of plexiglass that could be useful the middle layer is a vertical
be useful the middle layer is a vertical
be useful the middle layer is a vertical line plastic and this back piece is a
line plastic and this back piece is a
line plastic and this back piece is a giant virgin Fornell lens this is the
giant virgin Fornell lens this is the
giant virgin Fornell lens this is the piece that I’m after I got lucky because
piece that I’m after I got lucky because
piece that I’m after I got lucky because this one happens to be a crystal clear
this one happens to be a crystal clear
this one happens to be a crystal clear lens that focuses to a point and that’s
lens that focuses to a point and that’s
lens that focuses to a point and that’s the best that I know of it may not look
the best that I know of it may not look
the best that I know of it may not look like much but this is a giant 4-foot
like much but this is a giant 4-foot
like much but this is a giant 4-foot magnifying lens the amount of energy
magnifying lens the amount of energy
magnifying lens the amount of energy these lenses can generate is outstanding
these lenses can generate is outstanding
these lenses can generate is outstanding producing temperatures over 2,000
producing temperatures over 2,000
producing temperatures over 2,000 degrees Fahrenheit they can be used for
degrees Fahrenheit they can be used for
degrees Fahrenheit they can be used for heating cooking purifying water and
heating cooking purifying water and
heating cooking purifying water and burning almost anything that you can
burning almost anything that you can
burning almost anything that you can imagine amazingly they do all that just
imagine amazingly they do all that just
imagine amazingly they do all that just off sunlight now that I got the lens I
off sunlight now that I got the lens I
off sunlight now that I got the lens I was after I’m gonna play around with
was after I’m gonna play around with
was after I’m gonna play around with some of these other pieces on the TV
some of these other pieces on the TV
some of these other pieces on the TV these projection lenses the caster
these projection lenses the caster
these projection lenses the caster wheels and the power cord can all be
wheels and the power cord can all be
wheels and the power cord can all be saved and just for fun I’m gonna take
saved and just for fun I’m gonna take
saved and just for fun I’m gonna take one of these lens cases and hack it open
one of these lens cases and hack it open
one of these lens cases and hack it open to see what’s inside I’m gonna save
to see what’s inside I’m gonna save
to see what’s inside I’m gonna save these nuts and bolts then cut down the
these nuts and bolts then cut down the
these nuts and bolts then cut down the side of the casing here and when it’s
side of the casing here and when it’s
side of the casing here and when it’s cracked open you can see about five
cracked open you can see about five
cracked open you can see about five different optical lenses now these are
different optical lenses now these are
different optical lenses now these are really neat because they’re in perfect
really neat because they’re in perfect
really neat because they’re in perfect condition and I may be able to use them
condition and I may be able to use them
condition and I may be able to use them in future light experiments
in future light experiments
in future light experiments most of them are plastic but this
most of them are plastic but this
most of them are plastic but this focusing lens right here is pure glass
focusing lens right here is pure glass
focusing lens right here is pure glass it’s quite heavy and the optics on it
it’s quite heavy and the optics on it
it’s quite heavy and the optics on it are amazing if I focus it on my table as
are amazing if I focus it on my table as
are amazing if I focus it on my table as if I’m trying to burn the table you can
if I’m trying to burn the table you can
if I’m trying to burn the table you can see it brings into focus the compact
see it brings into focus the compact
see it brings into focus the compact fluorescent lights that I’m using two
fluorescent lights that I’m using two
fluorescent lights that I’m using two lights room I thought that was kind of
lights room I thought that was kind of
lights room I thought that was kind of interesting okay I’ve got the giant fern
interesting okay I’ve got the giant fern
interesting okay I’ve got the giant fern L lens separated from the frame now you
L lens separated from the frame now you
L lens separated from the frame now you can see it’s quite flimsy and awkward to
can see it’s quite flimsy and awkward to
can see it’s quite flimsy and awkward to hold so I think I’m gonna need to build
hold so I think I’m gonna need to build
hold so I think I’m gonna need to build some kind of a frame so I can use it
some kind of a frame so I can use it
some kind of a frame so I can use it hands-free look for that in a different
hands-free look for that in a different
hands-free look for that in a different project well there you have it now you
project well there you have it now you
project well there you have it now you know the secret to finding a giant fern
know the secret to finding a giant fern
know the secret to finding a giant fern L lens absolutely free now a word of
L lens absolutely free now a word of
L lens absolutely free now a word of caution these lenses generate a lot of
caution these lenses generate a lot of
caution these lenses generate a lot of power they can concentrate the Sun to a
power they can concentrate the Sun to a
power they can concentrate the Sun to a point that gets dangerously high it’ll
point that gets dangerously high it’ll
point that gets dangerously high it’ll start fires instantly melt concrete and
start fires instantly melt concrete and
start fires instantly melt concrete and can certainly cook you so please be
can certainly cook you so please be
can certainly cook you so please be careful that’s it for now if you liked
careful that’s it for now if you liked
careful that’s it for now if you liked this project perhaps you’ll like some of
this project perhaps you’ll like some of
this project perhaps you’ll like some of my others check them out at the king of
my others check them out at the king of
my others check them out at the king of random calm
random calm
random calm [Music]
”
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