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Video: "Volcano Experiment" with Ammonium dichromate
A little vibration in the camera at 1:20 (I guess you were handling it for the zoom button?), but ot ... |
1-10-2009 at 14:28
by: 12AX7 |
DIY 3000'C homemade electric Arc-for P,... production
Wow, a brief, informative post by Fawkes. I believe that's a first!
FYI, they're called GFCI rec ... |
1-10-2009 at 14:25
by: 12AX7 |
Recent forum unreliability
Another bug: the HTTPS server has a crap security certificate (self signed, or not even for the corr ... |
1-10-2009 at 14:23
by: 12AX7 |
Recent forum unreliability
Square brackets are bbcode. It says HTML is on, but any angle brackets, let alone properly formatte ... |
30-9-2009 at 10:46
by: 12AX7 |
purifying toluene properly
Mind that you don't get dolomite, which contains magnesium. MgCl2.6H2O is harder to crystallize and ... |
29-9-2009 at 19:06
by: 12AX7 |
Form dates???
Either it was temporary, or your settings are terribly wrong.
Funny, it says you registered in 20 ... |
29-9-2009 at 15:47
by: 12AX7 |
DIY 3000'C homemade electric Arc-for P,... production
[rquote=163321&tid=12862&author=IrC]It is well known that the impedance of a typical burning ... |
29-9-2009 at 07:29
by: 12AX7 |
Nitric Oxide Bonding
http://www.google.com/search?hl=en&q=nitrogen+oxide+molecular+orbital
I guess it's more like, ... |
28-9-2009 at 18:47
by: 12AX7 |
DIY 3000'C homemade electric Arc-for P,... production
You still don't need a controller, arcs are not nearly as complex as you imagine them to be. Consta ... |
28-9-2009 at 18:31
by: 12AX7 |
DIY 3000'C homemade electric Arc-for P,... production
Why does that need a microcontroller? It'll sit around twiddling its thumbs. All those features ar ... |
28-9-2009 at 07:54
by: 12AX7 |
Forwarding Legitimate Chemistry with Sci. Madness
[rquote=163265&tid=12875&author=Arrhenius]carrot peel reduction[/rquote]
Wait, what is th ... |
28-9-2009 at 07:49
by: 12AX7 |
Extra Large Capacitors For Power Storage
Laff. globalspec. Now it's conclusive you're a kook.
Tim |
26-9-2009 at 06:28
by: 12AX7 |
The short questions thread (2)
I have a 1 ohm resistor that's wound open-frame with fairly heavy nichrome, probably around 12 gauge ... |
24-9-2009 at 18:52
by: 12AX7 |
Symmetrical Firing Dimmer
Doesn't ring a bell.
Why is it important?
If you need low voltage control, you should probably ... |
24-9-2009 at 18:50
by: 12AX7 |
DIY 3000'C homemade electric Arc-for P,... production
Well, it's all heat, so it's all 100% inefficient. But maybe you count heat as efficiency? In whic ... |
24-9-2009 at 18:48
by: 12AX7 |
Seperation of Lithium from ground salts
You'll melt off the eutectic, which may be rich in Li but will absolutely not be pure Li.
Tim |
22-9-2009 at 19:08
by: 12AX7 |
Sodium!
I wonder if the sodium and potassium ions melt at different temperatures.
(Notice ion mobility == ... |
22-9-2009 at 18:14
by: 12AX7 |
Seperation of Lithium from ground salts
As I recall, lithium carbonate and sulfate are fairly low solubility. You might add extra sodium ca ... |
22-9-2009 at 13:06
by: 12AX7 |
Pure In from 50/50 In/Pb
Phase diagram shows everything's in solid solution, alpha lead. It has a fair slushy range (must be ... |
21-9-2009 at 18:59
by: 12AX7 |
Ferric chloride
FWIW. The comments sound like this really is anhydrous,
http://www.allelectronics.com/make-a-sto ... |
21-9-2009 at 07:41
by: 12AX7 |
Idiots with chemicals
[rquote=162712&tid=6283&author=ketel-one]Hell they'd have to ban vinegar and baking soda as ... |
21-9-2009 at 07:21
by: 12AX7 |
Roast chicken aroma
Bake a chicken and put the pan drippings in a heated scented wax holder thing?
Somehow I don't th ... |
21-9-2009 at 07:16
by: 12AX7 |
anhydrous CrCl3
Pretty! So few compounds are purple. |
18-9-2009 at 16:23
by: 12AX7 |
SnI4: A nice covalent compound of tin
[rquote=162499&tid=12826&author=Jor]Thank you very much. I really like these pictures, much ... |
18-9-2009 at 12:38
by: 12AX7 |
Extra Large Capacitors For Power Storage
[rquote=162438&tid=12817&author=JohnWW]In spite of extensive hydro-electric and geothermal g ... |
16-9-2009 at 19:50
by: 12AX7 |
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