Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Balance repair
That circuit looks like a slightly different sensing principle. The LED appears to be regulated by f ...
25-11-2020 at 15:04
by: Twospoons
DIY temperature probe for hotplate, help!
J2 looks to be a connection for a K-type thermocouple, which means the black device next to it (TO92 ...
24-11-2020 at 19:27
by: Twospoons
DIY temperature probe for hotplate, help!
[rquote=649685&tid=156587&author=p4rtridg3]Hello all,

Testing the official external probe ...
23-11-2020 at 22:02
by: Twospoons
DIY temperature probe for hotplate, help!
Check to see if theres any bias voltage coming out of the hot plate. The cold junction sensor may no ...
23-11-2020 at 13:54
by: Twospoons
Homemade Hydrometers
[rquote=648537&tid=156495&author=yobbo II] Two decimal places of accuracy is sufficient.

...
11-11-2020 at 17:40
by: Twospoons
Covid vaccine results
[rquote=648836&tid=156509&author=macckone]
The myth that young people do not get ill is dan ...
11-11-2020 at 13:27
by: Twospoons
Covid vaccine results
The -70C storage temperature is a bit of a stumbling block though. Its going to make large scale dis ...
10-11-2020 at 17:47
by: Twospoons
Sulfuric Acid in NZ V2
There's no sulfuric acid drain cleaner sold in NZ. There are several chemical supply companies you ...
8-11-2020 at 13:26
by: Twospoons
Bad luck or what?
I recall sitting in a aircraft at Sydney Airport looking out the window, watching a baggage handler ...
3-11-2020 at 15:11
by: Twospoons
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
[Next Page]

  Go To Top