| Search |
| [Next Page] |
Magnettic stirring is surprising
You are probably seeing two effects:
1] at faster speeds there will be a thicker film of liquid bet ... |
14-4-2025 at 17:54
by: Twospoons |
Looking for replacement stopcock
I could probably just get our machinist to make one out of acetal or UHMPE. That might be the simple ... |
6-4-2025 at 13:59
by: Twospoons |
Looking for replacement stopcock
I'd probably go for ptfe, just because it would be less likely to stick with salt dried all over it. ... |
4-4-2025 at 19:12
by: Twospoons |
Looking for replacement stopcock
We have this measuring cylinder that is meant to be part of a salt-spray test chamber - but part of ... |
3-4-2025 at 18:51
by: Twospoons |
Static charges from walking on carpets
Sounds like you're going to need a heel grounding strap  - or treat your shoes
with a humectant, w ... |
1-4-2025 at 13:06
by: Twospoons |
Help on sourcing informations and sources regarding piezoelectric materials
[rquote=699471&tid=160913&author=davidbruh917]
we want to create a mat which can directly h ... |
2-3-2025 at 14:20
by: Twospoons |
Anyone here have yellow LED light, and light-green paint?
Not if you just measure the yellow object. Just like if you want to measure a book you don't measure ... |
25-2-2025 at 12:47
by: Twospoons |
Anyone here have yellow LED light, and light-green paint?
That last statement makes no sense. Can you rephrase it? |
24-2-2025 at 17:02
by: Twospoons |
Vacuum pump repair help
I would go with a screw extractor, as Sulaiman suggested. They're cheap enough and you should find a ... |
24-2-2025 at 12:33
by: Twospoons |
Homebrew adjustable switched PSU
"The Art of Electronics" by Horowitz and Hill is a very good general reference book. |
23-2-2025 at 20:14
by: Twospoons |
Homebrew adjustable switched PSU
Electronics is a vast field - I've been doing it professionally for 35 years, and I was a hobbyist s ... |
23-2-2025 at 16:03
by: Twospoons |
Anyone here have yellow LED light, and light-green paint?
[rquote=699372&tid=160895&author=Neal]
That could be that reflecting yellow is never the sa ... |
23-2-2025 at 12:34
by: Twospoons |
Anyone here have yellow LED light, and light-green paint?
One problem you will have with this is you are limited by the phosphors used in your LCD monitor. e. ... |
22-2-2025 at 19:57
by: Twospoons |
Anyone here have yellow LED light, and light-green paint?
[rquote=699277&tid=160895&author=Neal]
My question is what would stop something that absorb ... |
19-2-2025 at 14:48
by: Twospoons |
Anyone here have yellow LED light, and light-green paint?
Oh, so you're really interested the difference between additive and subtractive primaries, wrt to co ... |
18-2-2025 at 20:07
by: Twospoons |
Anyone here have yellow LED light, and light-green paint?
This idea that red+green+blue = white is a very anthropocentric thing - because human eyes have rece ... |
18-2-2025 at 18:57
by: Twospoons |
Anyone here have yellow LED light, and light-green paint?
The first white LEDs were made using a blue LED and a yellow phosphor, making a rather bad 'whitish' ... |
18-2-2025 at 13:17
by: Twospoons |
Homebrew adjustable switched PSU
Perhaps you are beginning to understand why electronic engineers ( like me - 35 years experience) pr ... |
17-2-2025 at 15:18
by: Twospoons |
How to make a smoke match or smoke paper
Try cotton wick soaked in potassium nitrate (and dried, of course). It will smoulder steadily for qu ... |
6-2-2025 at 21:13
by: Twospoons |
What type of thermistor is this in my freezer?
A really close-up pic of the sensor would be more useful - can barely make it out in the first pic. |
2-2-2025 at 19:09
by: Twospoons |
What type of thermistor is this in my freezer?
Your measurements show a resistance of just under 1 ohm - or is that typo? If not then your measur ... |
1-2-2025 at 19:08
by: Twospoons |
What type of thermistor is this in my freezer?
Resistance readings like that would be indicative of a thermocouple. Try using your meter in mV mode ... |
1-2-2025 at 12:36
by: Twospoons |
Exotic thermites & analogs
Has anyone tried using ironsand in a thermite? My local source is roughly 80% magnetite, with the ba ... |
6-1-2025 at 16:06
by: Twospoons |
Homebrew adjustable switched PSU
Buck converters usually rely on some form of duty cycle modulation for control - either fixed freque ... |
4-1-2025 at 12:47
by: Twospoons |
Homebrew adjustable switched PSU
I was thinking about your control loop last night, and theres a very strong possibility your circu ... |
31-12-2024 at 09:39
by: Twospoons |
| [Next Page] |
