Search |
[Next Page] |
Two unrelated questions: Water hardness and NaOH Then again the chlorides in tap water can be problematic too. For me its the Ca and Mg in our incre ... |
20-11-2005 at 18:04 by: Twospoons |
Two unrelated questions: Water hardness and NaOH You could also just put a bucket outside when it rains - why pay for distilled water when it falls o ... |
20-11-2005 at 13:32 by: Twospoons |
Any soil scientists out there? "The devil farts in my face again ..." *sigh*
As you say, a quick look at Ebay reveals ... |
15-11-2005 at 18:05 by: Twospoons |
Any soil scientists out there? I love gardening. I love growing vegetables without nasty pesticides. I want happy healthy plants. ... |
15-11-2005 at 14:11 by: Twospoons |
Laser design [url=http://www.repairfaq.org/sam/lasersam.htm]Sam's Laser FAQ[/url] is the best single web res ... |
31-10-2005 at 13:21 by: Twospoons |
Plasma propulsion Obviously, once out of the atmosphere, you need your own supply of ejection mass, but if you can ent ... |
19-10-2005 at 13:26 by: Twospoons |
Plasma propulsion [quote][i]Originally posted by Marvin[/i]
The plasma engine is a waste of time for all practical ... |
18-10-2005 at 13:03 by: Twospoons |
Plasma reactor- Confinement,Heat sources The bigger danger with the fusor is the hard X-rays that are produced well before neutron emission b ... |
17-10-2005 at 18:44 by: Twospoons |
homebrew aspirator If the pump had a shaded pole motor (very likely) then I'm not surprised. The ones we used on ... |
13-10-2005 at 15:48 by: Twospoons |
Filling gas flasks at home using a fridge compressor Compatability of some gases with the compressor oil may be an issue - check each one. I would also ... |
28-9-2005 at 14:22 by: Twospoons |
Alternative Lubricants You can't have dug very hard. How about :
silicone oils, vegetable oils as wet lubricants,
mo ... |
27-9-2005 at 18:34 by: Twospoons |
Subjects Of A Questionable Nature This board is very mild compared to roguesci. It was the pervading atmosphere of violence and destr ... |
27-9-2005 at 14:18 by: Twospoons |
Electric Shock I'll start.
Not precisely chemistry, but given the use of electricty in a lot of experiments, ... |
20-9-2005 at 14:01 by: Twospoons |
Removal of surface oxide by copper(II) chloride Hard anodised aluminium seems to be unaffected.
I had some used pcb etchant (ammonium persulfate + ... |
14-9-2005 at 22:20 by: Twospoons |
More on PbO2 electrodes I made my lead nitrate with 60% acid - no dilution at all. The lead dissolved nicely - though there ... |
14-9-2005 at 18:43 by: Twospoons |
The best country to pursue amateur chemistry in. Here in New Zealand the police only seem to be interested in busting meth and E labs. So if you buy ... |
12-9-2005 at 16:28 by: Twospoons |
CRTs [quote][i]Originally posted by moose sniffer[/i]
: i know that crts are usually used to spray elect ... |
6-9-2005 at 23:24 by: Twospoons |
What about "glassy" carbon as an anode material in a chlorate or perchlorate cell? I was thinking a boron / nitrogen doped diamond film could be good for perchlorate. I remember read ... |
6-9-2005 at 23:19 by: Twospoons |
!the tread IrC asked me to start. Myself, as an electronics engineer for 16 years, I only use 'ohm's law' in linear sys ... |
6-9-2005 at 23:10 by: Twospoons |
electrostatic " Chucks " The same trick was used on the old pen plotters, to hold the paper in place. |
5-9-2005 at 16:02 by: Twospoons |
Reaching higher temperatures [quote][i]Originally posted by unionised[/i]
(finite charge, zero time). [/quote]
Uh, sorry but ... |
1-9-2005 at 15:12 by: Twospoons |
Water scrubber Ok, you're doing a plate design ![:)](./images/smilies/smile.gif)
For everyone else, this is what I was referring to: [url= ... |
24-8-2005 at 17:34 by: Twospoons |
DIY X-ray crystallography Looks like a good application for a Marx generator. You could simply use a NST for charging, size t ... |
24-8-2005 at 16:28 by: Twospoons |
Water scrubber [quote][i]Originally posted by frogfot[/i]
started out by making some filling by cutting small piec ... |
22-8-2005 at 20:36 by: Twospoons |
DIY X-ray crystallography For a test crystal try quartz. At the quartz crystal assembly factory I worked at for a while, the c ... |
18-8-2005 at 15:50 by: Twospoons |
[Next Page] |