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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
Eutectic salts for heating bath alternative T=132 C at NaCl-KCl-AlCl3 mole fraction of 36%-14%-50%. T=91 C at NaCl-KCl-AlCl3 mole fraction of 2 ...	3-2-2024 at 14:58 by: Twospoons
Eutectic salts for heating bath alternative [url=https://www.energy.gov/eere/solar/articles/halide-and-oxy-halide-eutectic-systems-high-performa ...	2-2-2024 at 15:30 by: Twospoons
Vacuum valve suggestions required Needle valves are commonly used for gas and vacuum work. Aliexpress is full of them (at modest price ...	29-1-2024 at 00:13 by: Twospoons
The Action Lab video about negative Kelvin temperature violates laws of thermodynamics ? Its not really true you can achieve 'any temperature you want'. Focusing a laser beam using a lens h ...	25-1-2024 at 13:03 by: Twospoons
Multiple bad experiences with AliExpress Just want to add the one thing I'd never buy from Aliexpress is power semiconductors. Its too easy t ...	21-1-2024 at 14:31 by: Twospoons
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