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do-it-yourself nuclear magnetic resonance spectroscopy
I saw that too. Interesting, relatively simple, but a PITA to retune for each thing you want to look ...
24-1-2023 at 20:07
by: Twospoons
Distilled some EtOH denatured with Bitrix, and the distillate smells funny
As I recall the whole purpose of the denaturants is to make the alcohol undrinkable (and therefore n ...
11-1-2023 at 20:25
by: Twospoons
hho electrolysis plate configuration
Without appropriate catalytic electrodes water splitting is only ~50% efficient, (from memory - dont ...
2-1-2023 at 21:57
by: Twospoons
hho electrolysis plate configuration
I only tried to fill balloons once. That ended badly when one balloon slipped off and the other for ...
29-12-2022 at 17:13
by: Twospoons
hho electrolysis plate configuration
[rquote=679878&tid=159183&author=JohnnyBuckminster]

[b]@Twospoons,[/b] What type of membr ...
29-12-2022 at 12:07
by: Twospoons
hho electrolysis plate configuration
I built a four plate version of type 2 using stainless steel and strong NaOH soln. Worked very well ...
28-12-2022 at 12:07
by: Twospoons
Portable DC source for electric arc-Ruby synthesis by the Henry Moissan method
One other advantage of buying a stick welder for this is when you have finished playing with your ar ...
26-12-2022 at 13:44
by: Twospoons
Portable DC source for electric arc-Ruby synthesis by the Henry Moissan method
The difficulty you face with using server power supplies is the internal overcurrent protection - ex ...
25-12-2022 at 11:46
by: Twospoons
Unfamiliar Microscope
It is possible to take pictures through a microscope using a phone camera, but it requires a very st ...
18-11-2022 at 13:07
by: Twospoons
Unfamiliar Microscope
Thats the type I use all the time in PCB inspection and soldering, though I have a ring light around ...
17-11-2022 at 12:08
by: Twospoons
Sulfur/Selenium/Tellurium High-K dielectric
Well if I were to build my own capacitors I'd be using paper-in-oil for the dielectric, because i'd ...
2-11-2022 at 12:38
by: Twospoons
Sulfur/Selenium/Tellurium High-K dielectric
Pity they didn't show K vs electric field strength. That would have been interesting to compare agai ...
1-11-2022 at 15:18
by: Twospoons
Production of Iron powder with very high surface area using electrowinning of iron metal anode.
Nice. I have an application for iron powder loaded epoxy - this could be just the thing.
31-10-2022 at 17:27
by: Twospoons
Using a(n Ag) mirror RBF to carry out reaction with fused alcali
Electroplating would allow the build up of a thick metal layer, such that the metal to glass adhesio ...
25-10-2022 at 13:24
by: Twospoons
Using a(n Ag) mirror RBF to carry out reaction with fused alcali
You should be able to electroplate other metals on top of a silver mirror
24-10-2022 at 10:55
by: Twospoons
Replicating Commercial EBW Gold Connection using LED
Good luck removing the silicone without breaking the wire. Gold bond wire is incredibly soft, becau ...
16-10-2022 at 11:20
by: Twospoons
The old aspirin trick
What does it do to the soldering iron tip? The tips for my iron are 30 bucks a piece, so I'd hate to ...
21-9-2022 at 11:53
by: Twospoons
The old aspirin trick
[rquote=676695&tid=158893&author=sodium_stearate]
As for the chemical makeup of this enamel ...
15-9-2022 at 11:28
by: Twospoons
Orthosilicate esters from silica gel
Stumbled on this today : direct synth of tetraethyl orthosilicate from ethanol and silicon using a c ...
14-9-2022 at 21:34
by: Twospoons
The old aspirin trick
What kind of enameled wire? Urethane or polyimide?
13-9-2022 at 18:54
by: Twospoons
HELP! EU/DE/FR: Impending infrastructural apocalypse and possibility of civil war
[rquote=676136&tid=158800&author=Bedlasky]I rather live another day to fight back, than free ...
28-8-2022 at 12:12
by: Twospoons
Using screen as input/output interface
[rquote=676060&tid=158839&author=yobbo II]When connecting stuff to a computer it can be a bi ...
25-8-2022 at 18:20
by: Twospoons
DIY Cheap "Proprietary" Thermal Probe?
PT-1000 sensing elements rated to 600C can be had for under $10, from reputable suppliers like Digik ...
18-8-2022 at 17:53
by: Twospoons
Using microinverter for solar panels as 230 V AC inverter?
There is another potential issue: MPPT (maximum power point tracking). A battery does not look like ...
15-8-2022 at 20:33
by: Twospoons
HELP! EU/DE/FR: Impending infrastructural apocalypse and possibility of civil war
[rquote=675667&tid=158800&author=Gargamel]
In my opinion these are folks that secretly wish ...
8-8-2022 at 14:41
by: Twospoons
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