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A relic from the Quest for Fire
Diesel engines work the same way ...
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19-3-2010 at 00:22
by: chief |
Solid Sulfuric Acid
@woelen: In think he talks about the "persulfate" ... which is used for etching of circuitry ... |
17-3-2010 at 23:56
by: chief |
Frozen joints--should I be hopeless?
"Petroleum" has the reputation of getting _everywhere_ ... |
17-3-2010 at 23:54
by: chief |
Detonation of erythritol tetranitrate (ETN) with heated aluminum
Of course I talk about detonating the Al-wire ...; not sure what you mean with EBW, probably "explod ... |
15-3-2010 at 10:48
by: chief |
Book scanning.
I did a lot of scanning for my bueraucracy-stuff: Fastest/best way I know now is:
==> Use linux, ... |
15-3-2010 at 10:27
by: chief |
Detonation of erythritol tetranitrate (ETN) with heated aluminum
Anyhow there was a thread on roguesci where they detonated stuff with exploding wires,
==> i.a. ... |
14-3-2010 at 11:17
by: chief |
Detonation of erythritol tetranitrate (ETN) with heated aluminum
Why not discharge a capacitor through an Al-wire (which is in contact with the stuff) ...
==> Th ... |
13-3-2010 at 06:06
by: chief |
Single molecule, one million times smaller than a grain of sand, pictured for first time
Whats beeing seen is the electron density distribution; same counts for crytallography, bu there it' ... |
12-3-2010 at 16:14
by: chief |
What is the average yield in HNO3 lab production?
Where is the old patent for making the HNO3 from NH4NO3 and H2SO4, that was around here ? (must be 2 ... |
8-3-2010 at 12:30
by: chief |
large battery, ideas?
Lead is worth more than 1000 $ per ton, if quantity permits a good selling; only for batteries they ... |
8-3-2010 at 12:26
by: chief |
BIZARRE BIZARRE Help!!! Bioluminsescence!
Usually there probably are little amounts of bacteriae responsible for the light ... ; if these woul ... |
8-3-2010 at 12:16
by: chief |
BIZARRE BIZARRE Help!!! Bioluminsescence!
If bacteriae or fungi with enough light-output could be cultivated, then it could be a way of making ... |
8-3-2010 at 05:07
by: chief |
synthesis of formaldehyde?
Just theoretically: Since "al-dehyd" means "alcoholus dehydratus", i.e. dehydrated alcohol:
==> ... |
7-3-2010 at 02:09
by: chief |
Synthesizing UN with calcium nitrate
Well: I never make any explosives (much better sound comes from my electric guitar  , and I need t ... |
6-3-2010 at 04:06
by: chief |
NH3, H2SO4, and HNO3 from fertilizer
@Melgar: You have a reliable source of calcium nitrate ?
==> Since CaSO4 is nearly insoluble, th ... |
5-3-2010 at 06:49
by: chief |
Problem boiling down sulfuric acid
I once concentrated battery-acid in an erlenmeyer-flask ...
--> When I wanted to test the pH wit ... |
4-3-2010 at 10:29
by: chief |
Problem boiling down sulfuric acid
For boiling anything the front-glasses of old washing-machines are useful, heated with the content i ... |
4-3-2010 at 07:28
by: chief |
NH3, H2SO4, and HNO3 from fertilizer
[rquote=172652&tid=13434&author=hissingnoise]
That electrolysis needs an inert anode like P ... |
1-3-2010 at 01:22
by: chief |
Concrete on galvanized metal deck
Iron is passivated in the pH of concrete: Thats how at all it's possible to have steel within ..., a ... |
28-2-2010 at 00:18
by: chief |
NH3, H2SO4, and HNO3 from fertilizer
There was an old patent here around after which NH4NO3 was the _preferred_ nitrate for heating with ... |
26-2-2010 at 12:20
by: chief |
Very odd piece of high precision glass, any ideas?
It might be some sort of a temperature-controller, the way a contact-thermometer works:
==> The ... |
26-2-2010 at 04:32
by: chief |
what is the deal with cheap glassware on ebay?
Have you all too much money ?
==> What became out of the good-old glass-working, that once every ... |
23-2-2010 at 23:42
by: chief |
Why does Fusion work?
Theres one interesting thing about the sun:
The total gravitational energy for disassembling the m ... |
23-2-2010 at 01:55
by: chief |
Endless Oil?
The thing is: For all the world full of electro-cars there would be quite an insanely big battery-re ... |
23-2-2010 at 00:13
by: chief |
Obama - Nuclear Power
Yes: The french have a lot of atomic electricity ; and they were one of the first states with nuclea ... |
22-2-2010 at 08:11
by: chief |
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