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Odd behaviour of Neodymium magnet
So there I was, idly tossing a 30mm diameter neodymium magnet with one hand when I noticed an odd th ... |
12-12-2006 at 20:37
by: Twospoons |
Valorizing the Glycerol from Biodiesel Production
A more viable use might be as a fuel in fuel cells. Methanol, ethanol, and ethylene glycol can all ... |
4-12-2006 at 19:35
by: Twospoons |
more frightening privacy stuff
You want a real scare? Go to your Temporary Internet Files directory. Add " \Content.IE5\" (no quo ... |
4-12-2006 at 14:04
by: Twospoons |
Valorizing the Glycerol from Biodiesel Production
For a truly off-the-wall idea, how about using it in high altitude smoke machines, generating aeroso ... |
30-11-2006 at 19:27
by: Twospoons |
Ever nearly dispatched oneself?
With chems? No. With electricity? Within a whisker!
I'm really cautious with chems, as I'm well aw ... |
21-11-2006 at 21:56
by: Twospoons |
Some question on Peroxide as an anti-septic
I'd have thought H2O2 would be about the most benign bactericide you could find, with regard to pers ... |
19-11-2006 at 20:32
by: Twospoons |
Novel way to produce HF-NaF?
Well, it definitely decomposes on ignition! My workmate and I used to send fireballs at each other ... |
16-11-2006 at 19:02
by: Twospoons |
Cs and atomic clock
Typical accuracy is in the region of 1 part in 10^14 for Cs clocks.
Best quartz oscillator I could ... |
8-11-2006 at 16:51
by: Twospoons |
Compressor dryers?
Why would you DIY one? They are very cheap.
The ones I have are essentially a block of sintered b ... |
26-10-2006 at 17:49
by: Twospoons |
Microwave drill
I'm fairly sure I've seen microwave cable in the Farnell catalog - though its wasn't terribly flexib ... |
13-10-2006 at 19:28
by: Twospoons |
Home made spectrometer
if the LED output varies with time, maybe they are being overdriven, heating up and thus changing ou ... |
12-10-2006 at 12:41
by: Twospoons |
Copper electroplating
Is' tarn-x' one of those jewellery polishing solutions where you just drop your goodies in and it go ... |
7-10-2006 at 20:57
by: Twospoons |
Inducing mutations
Precisely. Thats what made the article so interesting - it explained how the genetic material of t ... |
26-9-2006 at 14:04
by: Twospoons |
Inducing mutations
Saw an article in New Scientist, where a researcher found that the mutation rate rises in response t ... |
25-9-2006 at 20:42
by: Twospoons |
Nitrogen inflated tires !
[quote][i]Originally posted by unionised[/i]
"Unlike oxygen molecules, which are so small they le ... |
20-9-2006 at 20:20
by: Twospoons |
Perusing wireless intercoms for remote Ignition?
*sigh* Even under the most benign conditions your radio will produce crap / noise / static that can ... |
17-9-2006 at 19:00
by: Twospoons |
Perusing wireless intercoms for remote Ignition?
I second your comments, unionised. If you want a 'safe' radio trigger you must use a digital coded ... |
17-9-2006 at 14:55
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
400nm is short enough to appear quite dim. And 200mw is uncomfortable to look at. I had 3 running ... |
14-9-2006 at 14:58
by: Twospoons |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
On the subject of LEDs as UV sources, we've just acquired some excellent ones from Cree. In their X ... |
13-9-2006 at 21:53
by: Twospoons |
What are good fast drying aliphatic solvent used in cleaning electronic and electrical devices?
Electrolube have a product called FLU (for some reason all their products have 3 letter names). It ... |
8-9-2006 at 21:09
by: Twospoons |
Nitrogen inflated tires !
Or look at it like this: even though you remove the oxygen from inside the tire, its still 20% O2 ou ... |
8-9-2006 at 21:06
by: Twospoons |
Nitrogen inflated tires !
I'll happily call 'bullshit'. I do 600km a week in my car, I check the tire pressure about once eve ... |
6-9-2006 at 17:22
by: Twospoons |
Propane/Acetylene torches
The old fashsioned kerosene blow-lamps also put out some serious heat. I can melt copper and silver ... |
3-9-2006 at 20:31
by: Twospoons |
Heatproof sheeting??
If fibreglass cloth wont do it you could try the ceramic fibre blanket used in kilns.
Or if you w ... |
28-8-2006 at 13:47
by: Twospoons |
Efficient non-photosynthetic food production?
The ultimate approach would be engineered bacteria designed to live in the human gut, and convert co ... |
24-8-2006 at 17:35
by: Twospoons |
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