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BIODIESEL - cheapen your gasoline
Obligatory dessert content: "fermentable sugars" include sucrose, fructose and starch, key ingredien ... |
29-3-2010 at 11:42
by: 12AX7 |
BIODIESEL - cheapen your gasoline
As far as biofuels go, I expect the most profitable direction to persue is harnessing plant metaboli ... |
28-3-2010 at 16:43
by: 12AX7 |
Flash Powder
I haven't tried BaSO4, but Ba(NO3)2 burns very hot indeed with MgAl. KClO4 would have the effect of ... |
27-3-2010 at 14:43
by: 12AX7 |
Bottles for Acids?
Is the plastic turning brittle at all? If not, then it doesn't matter.
Now, calcium hypochlorite ... |
25-3-2010 at 08:59
by: 12AX7 |
Capsaicin extraction and isolation
Oh, it still causes cell damage, but the concentration required is significant.
http://www.fiery- ... |
25-3-2010 at 06:41
by: 12AX7 |
galvanic cell running on Al or Fe
Aluminum in NaOH doesn't have a terrible self-discharge rate, and generates 0.8V or so. The byprodu ... |
25-3-2010 at 06:28
by: 12AX7 |
Capsaicin extraction and isolation
That is impressively spicy. Capsaicin is 16M scoville, so those are approximately 6% of pure pain!
... |
24-3-2010 at 06:50
by: 12AX7 |
Anyone good at glass work?
Eh, "flux" is Latin for "to flow". A flux makes things flow. A flux lowers the melting point of a ... |
23-3-2010 at 09:58
by: 12AX7 |
Gallium salts for amalgamation of aluminium?
One possible problem is, will gallium be reduced to metal in aqueous solution? Will the local envir ... |
21-3-2010 at 20:39
by: 12AX7 |
Electrostatic and electrolysis
That wouldn't explain the conclusion that charge efficiency is ~100%. If such an effect were occuri ... |
19-3-2010 at 16:50
by: 12AX7 |
Electrostatic and electrolysis
Without water purification systems, they might've pulled water from a well. I don't think conductiv ... |
19-3-2010 at 06:53
by: 12AX7 |
Computer in Lab protection
You can get keyboard 'condoms', but the best protection is avoidance. Bring a cheap calculator if y ... |
17-3-2010 at 15:23
by: 12AX7 |
The curious case of the Smelly Ice
Freezer odors adsorbed onto the surface.
If you keep particularly nasty things in your freezer, y ... |
11-3-2010 at 14:30
by: 12AX7 |
Questions about CuCl/HCl solution
No worries about coins, he specifically noted "old pennies".
I guess the moral of the story is, t ... |
11-3-2010 at 14:28
by: 12AX7 |
BIZARRE BIZARRE Help!!! Bioluminsescence!
As far as I know, the quantum efficiency for photonic processes in biological molecules (such as chl ... |
8-3-2010 at 14:20
by: 12AX7 |
fluorosilicic acid?
I expect you'll get silica gel... fine sand indeed.  Depends on the Kf of SiF6
though, it may be ... |
8-3-2010 at 12:08
by: 12AX7 |
BIZARRE BIZARRE Help!!! Bioluminsescence!
I don't know of any life form that produces light you could not only read by, but generally work in ... |
8-3-2010 at 11:13
by: 12AX7 |
What is the average yield in HNO3 lab production?
KHSO4 is a much better byproduct, and an excess of H2SO4, and some H2O, make a byproduct much easier ... |
8-3-2010 at 11:02
by: 12AX7 |
large battery, ideas?
Looks to be 12 cells, or 24V, ~28V nominal.
If you're lucky, you can add some distilled water to ... |
8-3-2010 at 10:59
by: 12AX7 |
Sulfuric acid and toner
I am certain it's a chemical change. Although the toner gets thinner, it doesn't flake or spall off ... |
7-3-2010 at 06:15
by: 12AX7 |
Sulfuric acid and toner
Yes, I've tried glossy before, and it works quite well. The fibers are also finer, so what it leave ... |
7-3-2010 at 00:03
by: 12AX7 |
Sulfuric acid and toner
Background: I am printing circuit boards using the toner transfer method. Circuit boards are, of co ... |
6-3-2010 at 07:16
by: 12AX7 |
BIZARRE BIZARRE Help!!! Bioluminsescence!
Cool!
Tim |
6-3-2010 at 06:57
by: 12AX7 |
The lead salts preparation thread!
PbO dissolves in vinegar just fine, that's how the ancients did it, and that's what I did on my webs ... |
5-3-2010 at 06:39
by: 12AX7 |
Schematic for Electrolysis Device
Cute.
SCRs are an awful lot harder to handle than MOSFETs (or IGBTs). Lossy and slow, you can ge ... |
2-3-2010 at 23:56
by: 12AX7 |
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