World's Lightest Solid Takes Inspiration From Eiffel Tower

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18 Nov 2011, 8:08 pm

http://news.yahoo.com/worlds-lightest-s ... 09070.html

Thankfully for those yokels who don't have subscriptions to science mags, Yahoo has us covered occasionally. Anyway, thought this was interesting .

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ruveyn
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18 Nov 2011, 8:39 pm

techstepgenr8tion wrote:

http://news.yahoo.com/worlds-lightest-solid-takes-inspiration-eiffel-tower-134809070.html

Thankfully for those yokels who don't have subscriptions to science mags, Yahoo has us covered occasionally. Anyway, thought this was interesting

Way cool!

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18 Nov 2011, 8:46 pm

this has to one fo the most interesting articles i have read in a long time,
i want a sample it looks so cool.

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18 Nov 2011, 9:11 pm

techstepgenr8tion wrote:

Interesting but as far as microstructure fabrication goes, not all that impressive.

They've basically just done what bronze sculpture artists do, but on a small scale, using existing microfabrication technology.

They haven't created a new material or figured out how to mass produce a super strong material such as carbon nanotubes.

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18 Nov 2011, 9:28 pm

Chronos wrote:

techstepgenr8tion wrote:

Its non carbon nanotube but... its something in the interim at least.

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18 Nov 2011, 9:32 pm

Chronos wrote:

true, in essene anyone with the right tools can start using this method,

though the only comercial fabrication technique i know that has that kind of resolution is selective laser sintering and possibly UV stereolithograpy

i havent seen homebrew SLS machines but UVSL has been done for a few hundred bucks, the precision however still leaves a lot for it to make the materials in the article.
we saw a demonstration of a tabletop SLS machine with a vertical resolution of some 50 micrometers and a dot size of some 40 micrometers, those machines are quite pricey coming in at around 18.000 euros

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20 Nov 2011, 12:54 am

I'm always down for a good weight loss program.

Lighter and stronger materials. That's a large piece of the conservation puzzle.

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20 Nov 2011, 10:25 pm

cw10 wrote:

I'm always down for a good weight loss program.

Lighter and stronger materials. That's a large piece of the conservation puzzle.

If they can make foldout cots for camping and hiking trips out of this stuff I'd be even happier.

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