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salter's ducks http://www.oceanpd.com/default.html
I only know about this as it was in my local paper. Seems New ... |
6-8-2007 at 22:25 by: Twospoons |
More on PbO2 electrodes @Hashashan
Here's the controller I built for a hotplate:
[url=http://www.sciencemadness.org/talk ... |
31-7-2007 at 18:08 by: Twospoons |
Diaphram for Electrolythic Cl cell Curious, I'm just in the process of building a 4 cell electrolyser for making hydrogen (the kids lov ... |
21-7-2007 at 21:04 by: Twospoons |
More on PbO2 electrodes Looks like it needs some fairly rigid temperature control - not hard though, and worth the effort. ... |
19-7-2007 at 21:48 by: Twospoons |
More on PbO2 electrodes Why?
Its interesting to look at a periodic table: there's tin, under Ge and Si. To the left ar ... |
18-7-2007 at 22:20 by: Twospoons |
More on PbO2 electrodes This mention of the volatility of the chloride jogged my memory of a web page describing a DIY metho ... |
18-7-2007 at 16:16 by: Twospoons |
Mozzie alert From what I've read around the subject of mosquito traps, the various attractants often work synergi ... |
11-7-2007 at 15:09 by: Twospoons |
Mozzie alert Citronella oil is supposed to repel mozzies. I'm not sure how effective it is, but theres a solid ma ... |
6-7-2007 at 21:58 by: Twospoons |
Rocket Fuel I bought the Wickman book some years back. Good book! Lots of info, and a step-by-step method for ... |
5-7-2007 at 22:23 by: Twospoons |
Perchlorate manufacture (not) with Graphite Spray coating onto a heated substrate looks interesting as a way to quickly build a thick layer. Won ... |
3-7-2007 at 15:18 by: Twospoons |
Rocket Fuel Xenoid has already provided you with one of the best net resources for building rockets. Go there. ... |
30-6-2007 at 22:18 by: Twospoons |
More on PbO2 electrodes Thanks, but I don't really need to save nitric. I have about 12 litres of 68%, just sitting around, ... |
28-6-2007 at 18:21 by: Twospoons |
Mercury -Toxicity From a page about liquid mirror telescopes, which in this case is a 2.7m diameter pool of mercury.
... |
27-6-2007 at 21:22 by: Twospoons |
More on PbO2 electrodes Given that my local pottery supplier has both cobalt oxide and carbonate, which is going to be easie ... |
27-6-2007 at 13:53 by: Twospoons |
"Off" day - turning our electronics off for a day Your toilet may work, but the pump in the wet-well down the street certainly wont - it is only a mat ... |
26-6-2007 at 21:47 by: Twospoons |
Crazy Idea - What do you think? The emphasis on efficiency is relevant to cells intended for space use, where reductions in launch w ... |
25-6-2007 at 14:37 by: Twospoons |
The Technological Sword Cuts Both Ways: Vaccines Being Developed Against Nicotine, Cocaine, Heroin, and Likely Amphetamines Isn't priming the immune system against a chemical essentially the same as inducing an allergy? If ... |
24-6-2007 at 22:07 by: Twospoons |
Crazy Idea - What do you think? There's as much energy in the IR as there is in the visible.
Green doesn't make up that much of the ... |
24-6-2007 at 15:57 by: Twospoons |
More on PbO2 electrodes Thats a really interesting patent. Perhaps the ceramic particles they mention could be made from ma ... |
22-6-2007 at 20:37 by: Twospoons |
Overloading a 1/4 watt resister [quote][i]Originally posted by Taaie-Neuskoek[/i]
I wouldn't like to thing about what would happen ... |
12-6-2007 at 21:33 by: Twospoons |
PbO2 plating surfactants... any ideas for sources? Kodak Photo flow 600 contains
30-40 Water (007732-18-5)
37 Ethylene glycol (000107-21-1)
25-30 ... |
10-6-2007 at 18:12 by: Twospoons |
More on PbO2 electrodes Here's a synthesis for magnetite, to go with Rosco's "lead + magnetite" patent.
[Edited on 8-6-2007 ... |
7-6-2007 at 15:13 by: Twospoons |
Aerogel Production, amateur Have you got a link? A search on gigapedia returned nothing. |
30-5-2007 at 18:33 by: Twospoons |
Bird Flu ?? Interestingly, the humble Elderberry (sambuccas nigra (sp?)) is supposed to have good general anti-v ... |
15-5-2007 at 21:10 by: Twospoons |
DIY ultrasonic cavitator Last time I played with something along these lines I used the transducer from a boat sonar. Runnin ... |
8-5-2007 at 19:09 by: Twospoons |
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