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Massive transformers
I think you are right about the field collapsing and causing a spike of voltage into your primary wi ...
20-3-2004 at 13:09
by: Mr. Wizard
Radical solution to cosmetical problem
The cat litter and 'oil dry' are considered non toxic, even in California ;-). Try it on o ...
20-3-2004 at 07:31
by: Mr. Wizard
Chemistry surprises us all sometimes....
That is amazing. It looks like it is quite soluble in toluene too, over 100 grams.
20-3-2004 at 07:18
by: Mr. Wizard
Most energetic chemical reaction
What do you mean by 'most energetic'? Are you talking about speed with the energy being re ...
20-3-2004 at 07:04
by: Mr. Wizard
Radical solution to cosmetical problem
The water pick idea does work. Something I haven't tried, but should work is a paste made from ...
20-3-2004 at 06:44
by: Mr. Wizard
Radical solution to cosmetical problem
Hold off with the 'solvent extraction' ;-) Even if it removed some of the oil and 'fa ...
19-3-2004 at 14:12
by: Mr. Wizard
possible racing fuel?
I was surprised someone had actually used the NH4NO3 in methanol as fuel. Thanks for the feedback. T ...
19-3-2004 at 13:23
by: Mr. Wizard
possible racing fuel?
It is well known, noitromethane, nitrous oxide, and methanol are all used to get more power from an ...
18-3-2004 at 08:37
by: Mr. Wizard
Tytadine
TITADYNE
14-3-2004 at 20:59
by: Mr. Wizard
thermodynamically unstable diamond
You guys know a lot more about it than I do. So am I to understand that diamonds do (slowly) convert ...
8-3-2004 at 20:41
by: Mr. Wizard
thermodynamically unstable diamond
Understanding why diamonds are not the most common type of carbon. Here's a try: They are not u ...
8-3-2004 at 07:16
by: Mr. Wizard
Boy killed in Sweden by homemade explosive
This seemed timely.
http://www.newscientist.com/news/news.jsp?id=ns99994718
26-2-2004 at 21:23
by: Mr. Wizard
Boy killed in Sweden by homemade explosive
RT = (MPOL) X (FF) X (AOS) X (E) X (Some Constant)/DA
where DA is the ability to get a date with a ...
24-2-2004 at 22:03
by: Mr. Wizard
Aesthetically Pleasing Organic Molecules
Could we be looking at the baby steps in nanotechnology? Very nice.
24-2-2004 at 19:45
by: Mr. Wizard
AP Biology test
"trying to get as much input as possible"= cheating?
Did I get it wrong?
:mad:
19-2-2004 at 17:40
by: Mr. Wizard
NaHSO4
Is Vermiculite the pumice substitute you were thinking about? It is made by heating a volcanic rock ...
18-2-2004 at 08:14
by: Mr. Wizard
Bismuth from its Subsalicylate (Pepto-BismolĀ®)
Bismuth shot is a rather scarce item. I bought a box of shells from Cabela's and emptied out th ...
15-2-2004 at 01:32
by: Mr. Wizard
a warning about picric acid and picramic acid
About Picric Acid being used in WW1 as a treatment on burns; it was before antibiotics, and many ite ...
15-2-2004 at 01:18
by: Mr. Wizard
Impressive cooling mixtures without dry ice
So the cooling takes place between the solid ice and the solid KOH pellets? The equilibrium between ...
9-2-2004 at 10:03
by: Mr. Wizard
Impressive cooling mixtures without dry ice
Once I used lye NaOH pellets to clean the rust and crud out of a car radiator. The water dissolving ...
8-2-2004 at 14:59
by: Mr. Wizard
torpedo hazard reminder
I went to the radio amateur swap meet today and saw an old ham (60+ years) who was missing all his ...
7-2-2004 at 19:14
by: Mr. Wizard
Feasibility of welding glassware using PVC.
PVC can be reheated and reformed. It is common practice for a plumber to heat a length of it with a ...
19-1-2004 at 17:59
by: Mr. Wizard
KOH and Potash
unionised is right about the Carbonate forming from ash over the hydroxide or oxide. All is not los ...
18-1-2004 at 10:28
by: Mr. Wizard
an inexpensive source of Nichrome Wire
If I needed some fine thin nichrome wire I would look in a wire wound resistor, potentiometer, or r ...
15-1-2004 at 22:40
by: Mr. Wizard
Ancient Potash Making.
Potash was made by soaking wood ash in water and letting the non solubles settle out. It can still b ...
12-1-2004 at 09:42
by: Mr. Wizard
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