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DIY melting point apparatus [rquote=693361&tid=160348&author=wxyz] As long as your thermocouple gives [b]repeatable[/b] ... |
31-5-2024 at 14:47 by: Twospoons |
DIY melting point apparatus [rquote=693354&tid=160348&author=Rainwater] I get accuracy and precision mixed up.
[Edited ... |
30-5-2024 at 18:29 by: Twospoons |
DIY melting point apparatus Given the inherent non-linearity of thermocouples I'd be skeptical of claiming 0.01K accuracy with j ... |
30-5-2024 at 13:29 by: Twospoons |
Fresh eggs, wash or dont? Just want to add, thats a lovely and well executed experiment! Would be a good one to try if your k ... |
20-5-2024 at 14:33 by: Twospoons |
Fresh eggs, wash or dont? 2 minutes on google could have saved your $20.
Eggs get laid with a thin coating called a 'bloom' ... |
19-5-2024 at 18:19 by: Twospoons |
Best way to absorb ammonia gas in an air filtration system I fill the scrubber with ~100g of oxalic acid in about 5l of water. That seems to be good for a year ... |
5-5-2024 at 15:31 by: Twospoons |
Best way to absorb ammonia gas in an air filtration system I built a gas scrubber using oxalic acid solution to remove the stink from rotting meat* - which I b ... |
4-5-2024 at 19:01 by: Twospoons |
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 |
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