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

Search
[Next Page]
Low resistance electrolytic cell divider
[rquote=656703&tid=157195&author=goldberg]
U-shaped tube filled with KCl solution gelled by ...
20-3-2021 at 20:11
by: Twospoons
Large Quartz Tubes For Cheap? - Patio Heater
See if it will pass short UV light. If it does then its quartz.

[Edited on 18-3-2021 by Twospoons]
17-3-2021 at 16:20
by: Twospoons
Question about pressure
If adding a stirbar is going to break the vessel, then you are already operating too close to the fa ...
21-2-2021 at 15:25
by: Twospoons
Most expensive mistakes you've made?
Blew up a $1000 magnetic field probe while poking around inside a power supply. Lucky for me the $25 ...
14-2-2021 at 11:11
by: Twospoons
How to handle powders without dusting?
[rquote=653920&tid=155805&author=Fyndium]
What are efficient methods at neutralizing static ...
29-1-2021 at 00:36
by: Twospoons
Sulfuric & Nitric Acid In Australia
Watch those plastic drums! The plastic "jerry can" style containers my Nitric came in developed tiny ...
20-1-2021 at 14:00
by: Twospoons
Low(est) boiling point salts?
copper bromide lasers are typically operated around 400C, so you could try that.
18-1-2021 at 19:51
by: Twospoons
magnesium aluminate refractory up to 1800C.
You will want to remove as much sodium as possible - any residue may act as a flux.
16-1-2021 at 21:30
by: Twospoons
Help understanding DIY discharge tube emission spectrums
Also note that silicone is quite permeable to gasses.
13-1-2021 at 18:43
by: Twospoons
Radiophobia?
Do you supposed they've checked for Americium based smoke detectors yet?
11-1-2021 at 17:07
by: Twospoons
Why is there no electronic optical pyrometer ?
Out of curiosity, was it a doped wafer you tried? Doping might degrade transmission in the mid IR.
...
4-1-2021 at 19:09
by: Twospoons
Why is there no electronic optical pyrometer ?
I absolutely meant silicon, not silica. Theres a reason silicon is used as a optical material for C ...
4-1-2021 at 12:21
by: Twospoons
Why is there no electronic optical pyrometer ?
If you make the window of your furnace peephole from silicon then your optical pyrometer should work ...
3-1-2021 at 13:34
by: Twospoons
Why did TNT become so universal?
[rquote=651797&tid=156784&author=Delta-R]
Was it purely a result of it’s insensitivity an ...
21-12-2020 at 21:15
by: Twospoons
The insanity that is OHS
Thing is its much better to let kids suffer a minor injury from such simple chems, to act as a remin ...
11-12-2020 at 00:55
by: Twospoons
DIY temperature probe for hotplate, help!
[rquote=650621&tid=156587&author=p4rtridg3]After testing some LM35s I got online, I can conf ...
7-12-2020 at 14:23
by: Twospoons
Balance repair
As long as you remember that resolution and accuracy are not the same thing.
3-12-2020 at 01:48
by: Twospoons
Steel wool on hot plate for even heating??
Scrunched up aluminium foil might be better. Better heat conduction than steel wool.
30-11-2020 at 01:06
by: Twospoons
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
[Next Page]

  Go To Top