with all the talk about increasing Global energy consumption and finding a
source of power that won't run out like fossil fuels will one day we've been
looking for something both sustainable and Powerful for quite a long time solar
and wind are much discussed options to solve this problem but simply put
they're just not efficient enough today to address most of our energy needs and
traditional nuclear power which relies on uranium fuel that may be depleted one
day as well ALS o presents the additional problems of radioactive waste
and possible meltdowns enter fusion
power we've been kicking this idea around for so long that it seems like
Fusion research is becoming another quest for the Fountain of Youth but why
is that why don't we have it yet and what is so special about it well what's
special is that Fusion can produce lots
of energy from relatively small amounts of fuel by literally smashing atoms
together usually these are hydrogen atoms that are well they're well they're
fused together to make helium the same stuff you find in balloons well hold on
a second line as I took grade 11 chemistry look at the mass of a helium
atom it's lower than the two hydrogen isotopes that smash together to produce
it well it turns out that this missing
Mass was converted to energy during the fusion process because of differences in
how strongly the protons and neutrons that make up hydrogen and helium stick
to each other and a very small amount of
mass is equal to a huge amount of energy
you know that famous equation that people spout out whenever they want to
look really smart what that means is that Fusion is extremely powerful even
more than conventional nuclear fishing which splits atoms instead of smashing
them together and because the only byproduct is helium we'd be rid of the
carbon emissions from burning fossil fuels and you wouldn't even have to
worry about radiation presenting an environmental hazard well cool then so
why don't we just get a bunch of hydrogen and start like smashing atoms
the special isotope of hydrogen that we need for Fusion called dyum is abundant
in the oceans and could meet our energy needs for millions of years so it's not
like we don't have enough fuel well there are other problems aside from the
obligatory funding issues and political wrangling that come with any major
scientific Endeavor one one major issue is that you need lots of energy to start
a fusion reaction in the first place our own sun is a natural Fusion reactor in
fact hydrogen Fusion has kept it burning for billions of years and will keep it
burning for billions more but the sun can only do this naturally because it's
so large the intense gravity at its core
creates temperatures of millions of degrees that both smart guy it's hot
enough to make the atoms fuse don't worry about it but here on Earth Earth
creating those kinds of conditions is much more difficult right now there are
experimental Fusion reactors that do work but because we have to heat dyum to
such high temperatures they require more power to be put into them than they
actually generate like trying to charge a solar flashlight with another
flashlight the other big issue is how to keep a fusion reaction going once you
started it you need to create enough excess energy with your initial reaction
to cause other atoms to fuse not to mention that you then need a way to
contain that reaction not only to keep it dense enough to keep temperatures up
but also because you don't want a hydrogen plasma heated to millions of
degrees hitting the walls of the reactor for what I think should be fairly
obvious reasons a very strong magnetic
field is one possible solution to the containment problem which is being used
in one of the newest experimental Fusion reactors at in Germany German
engineering am I right whose next goal is to keep a reaction going for a mere
30 minutes to see if sustainable Fusion
is something that's even feasible down the line so we're still a ways away from
seemingly Limitless clean energy but we are starting to see the possibility that
Fusion could be the solution to a future energy crisis that is assuming of course
that Doc O doesn't come along and steal it for his evil layer I can't come up
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bear.com Linus Linked In the video description thanks for watching like if
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