wrote in message
ups.com...
Robert Clark wrote:
====Tetracarbon', 40 times harder than diamond?]
It's referred to as "polyyne" here [@ Technion, Israel]
Polyyne said to be 40 times harder than diamond.
http://www.foresight.org/nanodot/?p=2111
Harder than Diamond: Determining the Cross-Sectional
Area and Young's Modulus of Molecular Rods.
Angewandte Chemie International Edition, Volume 44,
Issue 45, Pages 7315-7483 (November 18, 2005).
http://www3.interscience.wiley.com/c...30826/ABSTRACT
The research actually only calculated Young's modulus. It didn't
measure it. Also the hardness claim is coming from the fact the
calculated Young's modulus was 40 times that of diamond, and
hardness is correlated to Young's modulus. -- Bob Clark

"Prai Jei" wrote in message
...
If "polyyne" is really -C?C-C?C- (that's alternate single and
triple bonds between the carbons in case the character doesn't
come out) I can't see how it can be stable - the triple bond is not
"the strongest" bond but the most reactive. Also the linear
structure would be strong in one dimension only giving the stuff a
fibrous texture.

[Uncle Al]
Let's ask a simple low-tech question: Are Israeli diamond cutters
lining up to put it on their wheels?

[zzgunker]
That''s doesn't really matter. Since Israeli diamond cutters are
the most proton-ignorant Swahili retards to visit Earth since
Bill Clonton.

[hanson]
...... ahahahaha... zz, don't get so extra terrestrial ... If Al is right
then it's simply another Jewish game of cons conning cons.


------------------ [Interesting side note] -----------------

"Prai Jei" wrote in message
...
Octanitrocubane C8(NO2)8 is predicted to be a more powerful
explosive than most of what the military are using now, and safer
to handle. Predicted. Up till now nobody has got more than two
nitro's onto the cubane nucleus.

[hanson]
Why is that? Steric hindrance or e-charge rejection? The
analog aromatic C6(NO2)6 is known, so is the aliphatic C(NO2)4


------------------ [Interesting side note] -----------------
--
Uncle Al : http://www.mazepath.com/uncleal/qz3.pdf

[hanson]
I notice that your qz3.pdf is dated 15-Jan-06. So, Al, what
happened to that Eotvoes/Chirality/Gravitation project since
then? How is that Chinese situation going/coming along?
Do you have any other irons in the fire for it?
hanson