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ITER: A useful nuclear fusion experiment or a waste of money ?
[rquote=692601&tid=160006&author=Precipitates]
And there is certainly the argument that som ... |
18-4-2024 at 18:53
by: Twospoons |
Making rubies using microwave
You do know you can just buy them, mounted and unmounted, along with matching bearing pins? Making ... |
17-4-2024 at 15:28
by: Twospoons |
DIY spectrometer resolution
It occurs to me that a second grating oriented 90 degrees to the first grating could be used as an o ... |
14-4-2024 at 21:26
by: Twospoons |
DIY spectrometer resolution
A better explanation (Pictures!), and the solution to order overlap
https://deltaopticalthinfilm.co ... |
13-4-2024 at 16:22
by: Twospoons |
Powerful ozonizer, is it possible at home?
Like the LiIon batteries claiming 10000mAH in an 18650 cell. Complete BS.
They rely on people bei ... |
10-4-2024 at 17:18
by: Twospoons |
DIY spectrometer resolution
[rquote=692257&tid=160205&author=aa1881] My only problem now is that the first and second di ... |
10-4-2024 at 17:10
by: Twospoons |
DIY spectrometer resolution
I would not expect to see that little secondary peak coming from a laser. If you change the angle o ... |
23-3-2024 at 12:48
by: Twospoons |
DIY spectrometer resolution
What sort of image do you get with a monochromatic source, like a small diode laser? |
22-3-2024 at 13:03
by: Twospoons |
Lithium thionylchloride battery salvage
That voltage would suggest you have Li Mn cells. |
12-3-2024 at 14:23
by: Twospoons |
DIY spectrometer resolution
[rquote=691469&tid=160205&author=Sulaiman]
A big one is chromatic abberation (eg can focus ... |
11-3-2024 at 15:57
by: Twospoons |
DIY spectrometer resolution
[rquote=691400&tid=160205&author=aa1881] Could i change the camera or add other optics to in ... |
8-3-2024 at 13:19
by: Twospoons |
Inductor and capacitor for rectifier output filter
Its well documented and there are plenty of examples. It would be well worth your time to learn to u ... |
7-3-2024 at 18:14
by: Twospoons |
Inductor and capacitor for rectifier output filter
[rquote=691407&tid=160171&author=yobbo II]
What would be the incremental permeability (IP) ... |
7-3-2024 at 17:41
by: Twospoons |
Electroplating of Nickel, waterless / organic solvent / possibly ionic liquids.
I would love to be able to make suggestions, but chemistry is just a hobby for me so my theoretical ... |
29-2-2024 at 16:46
by: Twospoons |
Electroplating of Nickel, waterless / organic solvent / possibly ionic liquids.
[rquote=689484&tid=159974&author=semiconductive]#494, mixed carboxylic glacial + ether + SO2 ... |
29-2-2024 at 14:38
by: Twospoons |
Alternative piston shapes in engines?
Don't forget ignition speed. For the same piston area its going to take longer for the flame front t ... |
28-2-2024 at 14:01
by: Twospoons |
Lithium thionylchloride battery salvage
If they had a folded seam they may not be thionyl chloride batteries - it would be hard to make a se ... |
26-2-2024 at 14:05
by: Twospoons |
Lithium thionylchloride battery salvage
Tried taking apart one cell. The body is a deep drawn steel can, so i used a pipe cutter to cleanly ... |
25-2-2024 at 14:44
by: Twospoons |
Inductor and capacitor for rectifier output filter
[rquote=691093&tid=160171&author=yobbo II]
Why is there such variation in the value of H. ... |
22-2-2024 at 13:22
by: Twospoons |
Lithium thionylchloride battery salvage
[rquote=691027&tid=160178&author=Sulaiman]
It is now imperative that you develop and publis ... |
19-2-2024 at 13:50
by: Twospoons |
Lithium thionylchloride battery salvage
I have access to a large number of dead LiSOCl[sub]2[/sub] AA cells - over 50 of them, and I'm tryin ... |
18-2-2024 at 16:56
by: Twospoons |
Inductor and capacitor for rectifier output filter
[rquote=691001&tid=160171&author=semiconductive]
Note: Spice simulator is *horrible* at si ... |
18-2-2024 at 14:45
by: Twospoons |
Inductor and capacitor for rectifier output filter
http://sim.okawa-denshi.jp/en/RLCtool.php
https://www.analog.com/en/resources/design-tools-and-calc ... |
16-2-2024 at 21:47
by: Twospoons |
Inductor and capacitor for rectifier output filter
Before we can answer your question we need to know how much current you want to supply, and how much ... |
16-2-2024 at 15:41
by: Twospoons |
How hazardous is fluorine chemistry?
Pickling paste for stainless steel welding contains up to 5% HF. I wonder how many welders know just ... |
14-2-2024 at 16:29
by: Twospoons |
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