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No one will give me experience, so I will make experience myself, starting from the bottom
I think OldNubbins has it dead right.
Stick to thanking them for the opportunity, politely ask for ...
3-11-2020 at 12:54
by: Twospoons
DIY Pirani vacuum pressure gauge electronics
I've always wanted to build a pirani or thermistor gauge, but I'm a little stumped by the calibratio ...
28-10-2020 at 13:13
by: Twospoons
No one will give me experience, so I will make experience myself, starting from the bottom
[rquote=646544&tid=156331&author=Cou]
If no one is gonna give me experience, I'm making it ...
15-10-2020 at 11:31
by: Twospoons
EMP device for pesky drones
https://www.up.ac.za/media/shared/Legacy/sitefiles/file/44/1026/2163/8121/electromagnetichornswithel ...
8-10-2020 at 15:05
by: Twospoons
Are Flamin' Hot Cheetos really that bad?
The artificial colours are probably the worst. I had a colleague who was allergic to at least one of ...
5-10-2020 at 21:29
by: Twospoons
EMP device for pesky drones
I'd be worried about the birds being injured by the prop blades. Seems rather unethical to me.
Mayb ...
5-10-2020 at 14:36
by: Twospoons
EMP device for pesky drones
I thought about this as a way to silence my neighbor's stereo late at night.
I would be inclined to ...
5-10-2020 at 12:44
by: Twospoons
YOUR inventory against Covid - Chemicals & Hardware only
I already had a large container of isopropanol before this mess - wifey was buying tiny 100ml bottl ...
1-10-2020 at 21:54
by: Twospoons
how to get the maximum heat of a wood stove?
If there's all this combustible stuff going up the chimney, then that's a waste. How do we get that ...
30-9-2020 at 12:33
by: Twospoons
Is it too much to ask to wear a mask?
Your post was merely an assertion. Mine was an assertion backed up with mathematics.
27-9-2020 at 01:41
by: Twospoons
Is it too much to ask to wear a mask?
[rquote=645269&tid=156164&author=sodium_stearate]Getting back to the original question asked ...
26-9-2020 at 13:14
by: Twospoons
Hydrogen production for Al + Na/KOH + H2O - what is the best method for control?
3rd method: have your Al in one solid piece that can be lowered into your NaOH as needed. Or flip th ...
26-9-2020 at 13:05
by: Twospoons
Is it too much to ask to wear a mask?
Conspiracy nuts are immune to facts, reason and logic.
24-9-2020 at 18:03
by: Twospoons
Is it too much to ask to wear a mask?
If your breathing is so compromised that you cannot wear a properly adjusted mask, then you should s ...
20-9-2020 at 15:50
by: Twospoons
Is it too much to ask to wear a mask?
Oh mate! That made my day that did!
17-9-2020 at 20:29
by: Twospoons
Is it too much to ask to wear a mask?
There is some evidence emerging that masks are helping to convey immunity. By reducing the initial v ...
15-9-2020 at 14:00
by: Twospoons
I finally won a cheap difussion pump
I keep looking longingly at all the diff pumps on ebay - but the shipping to my country is always ho ...
7-9-2020 at 22:10
by: Twospoons
What does it take to make liquid oxygen from air using compression?
[rquote=643602&tid=156012&author=wg48temp9]
I suspect the difficulty must be in constructin ...
24-8-2020 at 12:55
by: Twospoons
What does it take to make liquid oxygen from air using compression?
The Linde process uses regenerative cooling, so you dont need -118C . What is important is the [url ...
15-8-2020 at 21:00
by: Twospoons
What does it take to make liquid oxygen from air using compression?
[rquote=642953&tid=156012&author=Junk_Enginerd]W

Edit: Actually, I see a very optimal sol ...
14-8-2020 at 18:59
by: Twospoons
What does it take to make liquid oxygen from air using compression?
[rquote=642870&tid=156012&author=Junk_Enginerd] Since it is continuously operated it also se ...
12-8-2020 at 14:50
by: Twospoons
Purifying ammonium sulfate fert
I think you'll find its some kind of anti-caking agent deliberately added after prilling.
31-7-2020 at 16:30
by: Twospoons
SmCo stir bars worth it?
Alnico is more easily demagnetised than SmCo, but is therefore also more easily remagnetised. A coil ...
30-7-2020 at 02:36
by: Twospoons
How to grow crystals & Why do they form?
No pressure isn't a requirement, at least for most ionic salts. The idea is to create a thermal gra ...
4-7-2020 at 18:16
by: Twospoons
How to grow crystals & Why do they form?
Another method: [url=https://www.sciencemadness.org/whisper/viewthread.php?tid=78669#pid499255]Hydro ...
4-7-2020 at 14:09
by: Twospoons
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