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Cut raw quartz crystals for sale

Hello folks, In the past, there was some interest in these forums for raw quartz crystals, so I am posting a bunch for...
3 comments posted 21yrs
posted by danube
3 comments posted 21yrs posted by danube

Self-Reinforcing Polypropylene

Apparently, there's been some advance in SrPP: http://www.theengineer.co.uk/Articles/291486/Re-user+friendly.htm How muc...
0 comments posted 21yrs
posted by manofsan
0 comments posted 21yrs posted by manofsan

Best adhesive to repair phenolic?

Hello, I have a variac which has the front plate (where the connections are made) broken. The plate itself is made of a...
3 comments posted 21yrs
posted by jonREMOVETHISdanniken
3 comments posted 21yrs posted by jonREMOVETHISdanniken

Carpet Redyeing

An advertisement shouting the praises of doing something with appearance damaged carpet has appeared in the local rag '...
4 comments posted 21yrs
posted by
4 comments posted 21yrs posted by

IR Dye for Epoxy

I am looking for a dye which can be added to transparent epoxy (like http://www.intertronics.co.uk/products/opt5012.htm...
4 comments posted 21yrs
posted by peter.w.swanson
4 comments posted 21yrs posted by peter.w.swanson

the hydrogen dream

http://news.com.com/Start-up+coins+new+way+to+harvest+hydrogen/2100-7337_3-5783870.html?tag=nefd.top i love the way the...
0 comments posted 21yrs
posted by nospam
0 comments posted 21yrs posted by nospam

material that sheds water like RAIN-X?

I seek a material that sheds water really well. Transparent/translucent would be extra points, but it's not required. Is...
10 comments posted 21yrs
posted by alanh_27
10 comments posted 21yrs posted by alanh_27

Materials job outlooks?

I am a sophomore Materials Science and Engineering student and I have been poking around the Internet looking at the jo...
5 comments posted 21yrs
posted by slimjim
5 comments posted 21yrs posted by slimjim

soft metal alloy

Hello, Which metal alloy is the most soft, easily cutting, workable by knife. I wont it for artwork. Tin is too rigid. C...
5 comments posted 21yrs
posted by ivan.minarovic
5 comments posted 21yrs posted by ivan.minarovic

Optimum particle size

I don't have the luxury to run a series of experiments. If there is a rule of thumb or SWAG to go by, please let me kno...
0 comments posted 21yrs
posted by mfeather
0 comments posted 21yrs posted by mfeather

seek strong hydroscope which is not deliquescent

to dehumidify a living space by batch processing, with regeneration with waste heat which exhausts outside the living s...
10 comments posted 21yrs
posted by alanh_27
10 comments posted 21yrs posted by alanh_27

Boron Nitride Nanotubes

I was reading about this discovery: http://www.physorg.com/news4797.html Nano-belts seem to be built on top of the nano...
0 comments posted 21yrs
posted by manofsan
0 comments posted 21yrs posted by manofsan