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How small is a molecule of water?
On the same scale, the nucleus of the hydrogen atoms is still only 1.6 micrometers.

The LIGO grav ...
17-11-2017 at 12:05
by: phlogiston
Make Potassium (from versuchschemie.de)
I appreciate it ave369, your translation makes the video's content accessible to much larger audienc ...
28-10-2017 at 14:49
by: phlogiston
Myth of Streching Space
[rquote=495776&tid=77818&author=NEMO-Chemistry]Regarding if space stretches and where does i ...
28-10-2017 at 13:55
by: phlogiston
Myth of Streching Space
The expansion of the universe as a whole is fundamentally not different from the local deformations ...
27-10-2017 at 00:39
by: phlogiston
Ancient bottle of picric acid
It would be easier to just smash the bottle remotely.
26-10-2017 at 08:00
by: phlogiston
Is recycling worth it?
We live in a special period of human history.
Natural resources are abundant. We can relatively che ...
6-10-2017 at 15:54
by: phlogiston
unknown dye - german label
Malachit grĂ¼n maybe? It would match "MG". I can't make much sense of the first word on the label th ...
28-9-2017 at 19:28
by: phlogiston
Radium extraction from watch hands
You will typically find older luminous paint is radium-based.
Promethium has also been used, approx ...
19-9-2017 at 12:38
by: phlogiston
Radium extraction from watch hands
You could try the method originally used by the Curies to extract radium from the uranium ore waste ...
17-9-2017 at 05:59
by: phlogiston
Missing persons
[rquote=443058&tid=65696&author=Rosco Bodine]
Added to the missing, quicksilver, watson.fa ...
4-9-2017 at 06:38
by: phlogiston
proprionic anhydride new rt synthesis
What is the point of your post? There is no information in it, not even an idea or plan, nor any que ...
1-9-2017 at 00:52
by: phlogiston
Explosions in movies
These tests of fireworks in a shipping container are very real and quite spectacular:

https://www ...
18-8-2017 at 15:24
by: phlogiston
Strange element names and codes
While it may be a bit impractical to those just learning the elements and their symbols,
I'd say it ...
18-8-2017 at 11:43
by: phlogiston
in which way could diamond powder/dust be turned solid
physics inclination, that does actually work. It has been the subject of serious research, no joke. ...
16-8-2017 at 10:46
by: phlogiston
Thorium metal in coherent form
Are you sure it is second degree then?
A lack of pain is typical of a -third- degree burn. The surr ...
15-8-2017 at 00:49
by: phlogiston
Encrypted Lab Notebook
It is surprising to me that JJay should have to justify wanting to encrypt his notebook.

It is no ...
8-8-2017 at 03:06
by: phlogiston
Telling apart Potash from Cinnabar
Cinnabar is mercury(II)sulfide, not HgO
1-8-2017 at 22:41
by: phlogiston
Thorium metal in coherent form
Dan, have you looked into the 'metallex' process?

Briefly: there are three steps. In the first st ...
28-7-2017 at 12:14
by: phlogiston
Where is Blogfast25 ?
[rquote=487620&tid=71575&author=Fulmen]
It's all about what an average individual [i]needs[ ...
12-7-2017 at 14:05
by: phlogiston
UK legal disposal of banned substances.
[b]DrP[/b] it may not illegal, you really should check your local regulations. I believe in the EU i ...
11-7-2017 at 05:17
by: phlogiston
tiles and grout in a fume cupboard
Old fumehoods sometimes have tiles, but I can't find any information on the grout that was used for ...
10-7-2017 at 12:45
by: phlogiston
UK legal disposal of banned substances.
Imagine finding an old mercury-filled barometer and old packages of rodenticide in your grandfathers ...
10-7-2017 at 12:20
by: phlogiston
Where is Blogfast25 ?
Let's hope the judge can and will take into account that, while he technically broke a law, he has n ...
8-7-2017 at 13:53
by: phlogiston
New to chemistry, looking for some ideas
Welcome to the forum, and let me wish you a lot of fun exploring chemistry.

Typically, chemists ( ...
5-7-2017 at 13:55
by: phlogiston
AC voltage amplification with DC battery
You could have the ESC drive a set of FETs that have a higher current rating than the one integrated ...
3-7-2017 at 22:39
by: phlogiston
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