Danny Hillis: Should we create a solar shade to cool the earth?
Danny Hillis - Computer theorist
Inventor, scientist, author, engineer -- over his broad career, Danny Hillis has turned his ever-searching brain on an array of subjects, with surprising results. Full bio
about engineering our climate]
to build a thermostat
the temperature of the earth
had a plausible idea about how to do that,
of research on how to do it.
do understand how to do that.
for research in this area.
misunderstandings about it.
today that this is a good idea.
your curiosity going about it
of the misunderstandings.
a little bit more sunlight
have been around literally for decades.
these low-lying clouds.
the same water content
of a change in the flow of the air
which are artificial water clouds
of a jet engine.
the clouds on earth.
by supersecret government conspiracy.
clouds to form,
global warming already by about a degree.
about how to do this.
out into space
very plausible ideas.
by David Keith at Harvard
up into the stratosphere,
common minerals on earth,
we put it into baby food.
up into the stratosphere,
all by itself, dissolved in rainwater.
about all this chalk in your rainwater,
how little of it it actually takes.
very easy to calculate.
calculation I made.
much more careful calculations,
at the rate of about 10 teragrams a year
that we've already done --
not all the effects, but the temperature.
Fire Department and Taylor Milsal
at 10 teragrams a year.
into the stratosphere
to pre-industrial levels.
it's like one hose for the entire earth.
really use a hose,
or something like that.
putting a handful of chalk
swimming pool full of rain.
very good reasons for that.
we should be talking about this at all.
very good friends in the audience
I should be talking about this.
there's some easy way out,
our addiction to fossil fuels.
a deeper problem,
of messing with the entire earth --
for us to look for ways
the science behind that.
that's kind of developed at TED,
what our options are;
our creativity and our caution.
about our future selves,
because I think our problems are small.
our capacity to deal with our problems
a lot of controversy at TED2017,
to look at discussions online
About the speaker:Danny Hillis - Computer theorist
Inventor, scientist, author, engineer -- over his broad career, Danny Hillis has turned his ever-searching brain on an array of subjects, with surprising results.
Why you should listen
Danny Hillis is an inventor, scientist, author and engineer. While completing his doctorate at MIT, he pioneered the concept of parallel computers that is now the basis for most supercomputers, as well as the RAID array. He holds over 100 US patents, covering parallel computers, disk arrays, forgery prevention methods, and various electronic and mechanical devices, and has recently been working on problems in medicine as well. He is also the designer of a 10,000-year mechanical clock, and he gave a TED Talk in 1994 that is practically prophetic. Throughout his career, Hillis has worked at places like Disney and now Applied Minds, always looking for the next fascinating problem.
Danny Hillis | Speaker | TED.com