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

Search
[Next Page]
I need help with optoisolators. . .
Tried to answer your question about optocouplers
and hit the wrong button, so it's now a separate t ...
16-12-2018 at 13:30
by: sodium_stearate
optocouplers
Yes, by all means the use of an optoisolator
(also known in the industry as an optocoupler) will
p ...
16-12-2018 at 13:17
by: sodium_stearate
drug tests - bleach vs h202?
Great post! That brings back memories of having
to pee in a cup at several jobs. One time I was ...
6-12-2018 at 11:18
by: sodium_stearate
Lights flickering when hotplaet goes through heating cycle - anything I can do to stop this?
why not just use real (incandescent) light bulbs?

that way, maybe they will dim a bit when the ho ...
16-11-2018 at 18:31
by: sodium_stearate
Colored Candles/Halloween Stuff
Not quite sure this would work, but I'll mention it anyway:

Speaking of the salts of a fatty acid ...
1-11-2018 at 06:08
by: sodium_stearate
Valve currents/ voltages
Yes, those are nixie tubes.
They are filled with neon.
The numbers glow orange.

Typically they ...
14-10-2018 at 07:48
by: sodium_stearate
How do you think the general public think of this forum?
My own personal opinion about the general public
is that most of them are brainwashed into believin ...
13-10-2018 at 09:00
by: sodium_stearate
Filling in hole in heat sink
ALuminum works great for heat sinks.
Thicker is better. The more massive, the better the
cooling. ...
28-5-2018 at 10:00
by: sodium_stearate
Filling in hole in heat sink
Why not just purchase some 1/8 inch thick aluminum
plate or bar of the proper size, and make your o ...
27-5-2018 at 10:07
by: sodium_stearate
A round of applause for ACE Hardware. Especially ones in small cities in semi-rural areas.
I too have always had good luck finding what I need
at Ace Hardware.

When I was a kid making hyd ...
23-5-2018 at 15:53
by: sodium_stearate
Lengthy, time-consuming overhaul of forum software
Kind of sounds to me like making more work
for one's self (and then later on, the users).

Sounds ...
17-5-2018 at 17:49
by: sodium_stearate
Lengthy, time-consuming overhaul of forum software
I honestly do not understand why anything needs to
be done to this place.

It seems to all work v ...
17-5-2018 at 06:29
by: sodium_stearate
The Effects of a Chemically Illiterate Population; I give you C60's Magical Healing Powers
Nothing has changed since the days of the "medicine
shows". Back then, in a typical small town, so ...
13-5-2018 at 10:03
by: sodium_stearate
List of explosives more powerful than HMX
And, what government agency is it that you are working for?
13-5-2018 at 09:54
by: sodium_stearate
Finding chemicals everywhere
Just do a little bit each day. Even if it's only just
one small thing. That way, at the end of th ...
11-5-2018 at 05:30
by: sodium_stearate
Learning Electronics?
The basic idea is to scrape off the oxidation layer
and get down to shiny copper. Solder will not
...
8-5-2018 at 17:57
by: sodium_stearate
lab set-up
I agree about getting any old chemistry textbooks
that you can find. They are very inexpensive suc ...
8-5-2018 at 17:41
by: sodium_stearate
Hot air balloons- What is % O2 inside the envelope?
Back in 1975, the rock group Pink Flloyd
was touring. This was during their "Pigs on the Wing" era ...
8-5-2018 at 17:24
by: sodium_stearate
How should I choose glass joint size?
I'd like to see some pictures of some of the repaired
glassware! That sounds very interesting abou ...
7-5-2018 at 04:49
by: sodium_stearate
Learning Electronics?
Another thing that is never taught in schools
is that regular "rosin core" solder does not have eno ...
7-5-2018 at 04:35
by: sodium_stearate
Do this kind of pumps exist?
[rquote=516801&tid=82466&author=PhenethylamineMachine]

We are all the same race, human. A ...
5-5-2018 at 08:24
by: sodium_stearate
Some advice on 20g range scales needed
I have a friend who also makes Edison brown wax
and early style cylinder records. He has an O'Haus ...
3-5-2018 at 09:20
by: sodium_stearate
Some advice on 20g range scales needed
What I am looking for is a nice mechanical scale.
No batteries to worry about, no power cord.

I' ...
1-5-2018 at 17:55
by: sodium_stearate
3D printing quartz glass
All the endless babble these days about 3-D printing
reminds me of the way the car makers were push ...
30-4-2018 at 15:55
by: sodium_stearate
aga's snarky garbage from Cherenkov Lamp thread
ok, ok,....if you insist. Here goes:

An Alcoholic.
30-4-2018 at 15:41
by: sodium_stearate
[Next Page]

  Go To Top