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Adjusting the wavelength, houshold microwave.
Don't even try. Its a function of the size of the cavities inside the magnetron.
[url=http: ... |
3-3-2005 at 14:25
by: Twospoons |
Setting up a lab!
NZ $? Who is your source? Being a kiwi myself, I'd like to know. |
2-3-2005 at 21:28
by: Twospoons |
Extraction of palmitic, oleic etc. acids from olives oil
[quote]
OLEIC ACID, QsHaA, or C8HI7-CH:CH- [CH2]7 CO2 H, an organic acid occurring as a glyceride ... |
2-3-2005 at 18:26
by: Twospoons |
Pump for high temperature liquids.
Get a used car oil pump from a wreckers yard. Add an electric motor to dive the thing and voila! a ... |
1-3-2005 at 13:18
by: Twospoons |
Ferrofluids
Yes, there's plenty of sources to buy the stuff.
But making it is half the fun! |
23-2-2005 at 15:50
by: Twospoons |
Ferrofluids
Ferrofluids: A suspension of fine (~10um) magnetite particles in oil.
I started looking around t ... |
23-2-2005 at 13:15
by: Twospoons |
CaCl2
Have you checked under the common name "chloride of lime" ? |
20-2-2005 at 16:38
by: Twospoons |
heat tape
Just occurred to me that for lower temps you could scavenge the wire from an electric blanket. It w ... |
16-2-2005 at 17:35
by: Twospoons |
heat tape
I suppose it depends on what temperature you want to operate at. Silicone is probably good for 200C ... |
16-2-2005 at 13:04
by: Twospoons |
Ignition coil drivers
[quote][i]Originally posted by Pommie[/i]
I think you'll find that the output voltage is propo ... |
14-2-2005 at 20:59
by: Twospoons |
Ignition coil drivers
If you kill the back EMF with a diode you wont get anywhere near as much output volts. Adding a 100 ... |
14-2-2005 at 19:03
by: Twospoons |
Free energy on eBay
There's no end of scams designed to separate fools from their money. Saw this audiophile site ... |
8-2-2005 at 14:47
by: Twospoons |
Sintering Fe3O4 powder?
Maybe its a silly idea, but maybe the magnetite powder could be fed into an oxy/propane torch, like ... |
2-2-2005 at 17:58
by: Twospoons |
Sintering Fe3O4 powder?
Do I detect a hint of sarcasm over the TDK link? Seems you have yet to explore the wonderful world ... |
2-2-2005 at 13:45
by: Twospoons |
Sintering Fe3O4 powder?
chloric1: I don't have specific refs, but browsing the Application Notes from the major semicon ... |
1-2-2005 at 19:21
by: Twospoons |
Sintering Fe3O4 powder?
What size particles? How big a chunk do you want?
My gut feeling is that microwave is too high a ... |
1-2-2005 at 13:17
by: Twospoons |
castable refractory mixtures
Don't know why I haven't posted this link before :
[url=http://www.goshen.edu/art/DeptP ... |
19-1-2005 at 12:38
by: Twospoons |
Construction of oxyhydrogen blowpipe
The issue of current is easily solved by connecting multiple cells in series. So intead of one cel ... |
18-1-2005 at 19:27
by: Twospoons |
Super-high temperature carbon-steel furnace
You could melt and heat the iron white hot using an induction heater, provided you had sufficient i ... |
11-1-2005 at 19:27
by: Twospoons |
Metal surface treatments
This thread is intended to be about decorative and/or functional chemical surface treatments for met ... |
10-1-2005 at 19:57
by: Twospoons |
castable refractory mixtures
I have heard that ceramic fibre really must be coated, for safety. The fibres can break down throug ... |
20-12-2004 at 18:26
by: Twospoons |
castable refractory mixtures
Your local ceramic supply shop is once again your friend! Alumina, and a lot of other refractories ... |
7-12-2004 at 19:23
by: Twospoons |
Girls!
You're right. I was just gazing out the window moments after the last post and I see where the ... |
6-12-2004 at 16:43
by: Twospoons |
Girls!
Your mistake is in assuming the order of the boxes is important.
Pnn
Npn
Nnp
the last two ar ... |
6-12-2004 at 16:31
by: Twospoons |
Liquid With A Very High Expansion When Heated?
Ha! Try liquid Helium  |
2-12-2004 at 13:47
by: Twospoons |
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