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Ebay and Packaging
[rquote=511872&tid=81444&author=violet sin]Just received a fist sized wad of bubble in a non ... |
24-3-2018 at 10:05
by: sodium_stearate |
Cooking accusations from my school - story
Something else to consider also is the fact that
anyone who has independent thoughts is always
vie ... |
23-3-2018 at 07:30
by: sodium_stearate |
Cooking accusations from my school - story
Welcome to life in the real world!
It's a jungle out there. Lots of douchebags everywhere
one l ... |
21-3-2018 at 17:49
by: sodium_stearate |
Conversions
454 divided by 16, then divided by 8 again.
Or 454 x .0625 x .125
It helps to know your "eig ... |
21-3-2018 at 10:09
by: sodium_stearate |
Should I talk to the police before starting my lab?
Maintain a low profile. |
15-3-2018 at 23:15
by: sodium_stearate |
The moment (or moments) that made you realize you had a passion for chemistry
That moment for me was when I was about ten years old
and had made my very first primary cell. The ... |
11-3-2018 at 13:51
by: sodium_stearate |
Electric matches, uniform resistance of bridge wires and reliability in series firing
[rquote=510137&tid=80948&author=Bert][rquote=510118&tid=80948&author=aga]So, basical ... |
11-3-2018 at 09:42
by: sodium_stearate |
Strange electronic setup
[rquote=510079&tid=81084&author=aga]The hospital's PBX looks like pure POTS with one or more ... |
10-3-2018 at 12:00
by: sodium_stearate |
Strange electronic setup
That looks like it was the Main Distributing Frame (MDF)
for a Private Branch Exchange (PBX) at the ... |
10-3-2018 at 11:39
by: sodium_stearate |
Flames Under Pressure
In a typical steam locomotive firebox and boiler, the
draft is pulled up through the grates at the ... |
7-3-2018 at 10:23
by: sodium_stearate |
Flames Under Pressure
[rquote=509645&tid=80995&author=RawWork][rquote=509638&tid=80995&author=Bert]There i ... |
6-3-2018 at 19:08
by: sodium_stearate |
Electric matches, uniform resistance of bridge wires and reliability in series firing
Speaking of "good ideas" and pyrotechnics, I am
again reminded of NASA's space shuttle program.
As ... |
6-3-2018 at 11:47
by: sodium_stearate |
Grenet Cell
Yes, correct, that is what the rod in the center is for.
When the cell is not in use, the rod is pu ... |
4-3-2018 at 17:55
by: sodium_stearate |
Grenet Cell
Just recently was asked by a collector of very early Edison
cylinder phonographs, how to activate a ... |
4-3-2018 at 12:39
by: sodium_stearate |
MIRACLE sealing & moulding material - make stoppers, bungs, plugs etc
Brilliant! Thanks for that. This is a great example of finding common materials to accomplish very ... |
26-2-2018 at 11:32
by: sodium_stearate |
somewhat related to black powder
I too experimented with the basic black powder
recipe when I was a young kid. Same results as desc ... |
11-12-2017 at 13:51
by: sodium_stearate |
Gelatin based adhesive
This is about the topic of "reversible adhesives".
One such glue was an old brand from about 100 y ... |
9-12-2017 at 10:27
by: sodium_stearate |
primary cells
As a young boy I took a keen interest in electricity.
When I was in about the 3rd grade I was given ... |
27-11-2017 at 11:58
by: sodium_stearate |
update
Thanks to the suggestions I've gotten here on this
forum, I went back and tried having a small fan ... |
24-11-2017 at 11:13
by: sodium_stearate |
respirator for soldering fumes
One of the wire ends is usually held using a small
heatsink clip that has a magnet on the base. Th ... |
22-11-2017 at 06:56
by: sodium_stearate |
respirator for soldering fumes
Well now you've got me investigating this whole
63/37 eutectic thing.
It seems that this whole b ... |
21-11-2017 at 22:16
by: sodium_stearate |
respirator for soldering fumes
Bert:
The solder is Kester SN60PB40. It is .040 inch diameter.
It is branded as their "44" type ... |
21-11-2017 at 16:26
by: sodium_stearate |
respirator for soldering fumes
To answer Nemo's question about where it
came from, it has been built up using parts obtained
from ... |
21-11-2017 at 10:47
by: sodium_stearate |
respirator for soldering fumes
Just added another pic of the step-by-step
telephone exchange which I have here in my house.
A ... |
21-11-2017 at 07:47
by: sodium_stearate |
respirator for soldering fumes
Nemo,
The exchange handles 200 working telephone lines.
Any 5 lines can be calling any other 5 l ... |
20-11-2017 at 21:26
by: sodium_stearate |
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