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Black and white smoke at papal elections: which chemicals ?
"Historically, to make the black smoke, people added damp straw to the fire. But it turns out that s ... |
14-3-2013 at 09:57
by: Morgan |
Iridescent anthracite
[rquote=277756&tid=23680&author=hissingnoise]More fine specimens [url=http://www.peacockcoal ... |
13-3-2013 at 19:29
by: Morgan |
Iridescent anthracite
What makes these colors I wonder?
http://www.flickr.com/photos/hankrogers/7811438654/in/set-7215760 ... |
13-3-2013 at 10:13
by: Morgan |
Pretty Pictures (1)
I was thinking the waxy look of the surface is as if a piece of glass or quartz was flash heated to ... |
10-3-2013 at 06:48
by: Morgan |
Pretty Pictures (1)
I found a rock that kind of has the same strange melted look to it. It's not like a typical quartz o ... |
9-3-2013 at 20:34
by: Morgan |
Pretty Pictures (1)
I saw this post the other day on Reddit.
http://imgur.com/sIDB73G
http://www.reddit.com/r/pics/co ... |
9-3-2013 at 18:59
by: Morgan |
Producing Hydrogen by partial oxidation
[rquote=229171&tid=18169&author=AndersHoveland]Hydrogen is more electronegetive than carbon. ... |
2-3-2013 at 19:02
by: Morgan |
Combustion cycling.
3,560 m/s
http://en.wikipedia.org/wiki/Space_Shuttle_Main_Engine |
1-3-2013 at 17:54
by: Morgan |
HHO combustion questions
Probably a lot of the noise shown below is from steam vaporization but some unknown amount of oxygen ... |
27-2-2013 at 16:54
by: Morgan |
HHO combustion questions
"I think i have heard of this type of freezing activity, but in relation to military submarines. In ... |
27-2-2013 at 11:10
by: Morgan |
HHO combustion questions
Tidbits
"During engine operation the pressure in the main combustion chamber will be around 2900 ps ... |
27-2-2013 at 07:00
by: Morgan |
Best and worst smelling chemicals?
I have a date palm tree that is flowering now and the scent is kind of like vanillin. Each infloresc ... |
26-2-2013 at 10:06
by: Morgan |
Never knew you can get H2 so easily
I was reading about some TSP products on the market. You can still buy pure TSP of course but it's l ... |
25-2-2013 at 07:51
by: Morgan |
Never knew you can get H2 so easily
So since both alkalis vigorously dissolve aluminum in hot water, would you think both alkalis mixed ... |
24-2-2013 at 18:51
by: Morgan |
Never knew you can get H2 so easily
What would you get if you mixed sodium carbonate with tri-sodium phosphate? |
24-2-2013 at 17:10
by: Morgan |
Never knew you can get H2 so easily
Out of frustration I just now went out into my shed and got a bottle of sodium carbonate/pH adjuster ... |
23-2-2013 at 17:34
by: Morgan |
F- From Tap Water?
A relatively small but quirky source of fluoride.
"Arctic krill contain exceptionally large amoun ... |
22-2-2013 at 12:33
by: Morgan |
F- From Tap Water?
Methods for Determining Parent Compounds and Degradation Products in Environmental Media
"Methods a ... |
22-2-2013 at 11:39
by: Morgan |
F- From Tap Water?
ANALYTICAL METHODS
"Fluorine gas is too reactive to exist in biological or environmental samples. I ... |
21-2-2013 at 15:19
by: Morgan |
F- From Tap Water?
Na3AlF6 insecticide/pesticide tidbits
"Cryolite is an insecticide used on many fruits, vegetables ... |
20-2-2013 at 18:14
by: Morgan |
Never knew you can get H2 so easily
I bought some sodium carbonate once from the pool supply section of a hardware store. Maybe the fume ... |
20-2-2013 at 08:47
by: Morgan |
Thixotropic effect
The wind makes for a very bad recording the first minute but the sound quality gets better in parts, ... |
16-2-2013 at 16:12
by: Morgan |
Thixotropic effect
Fun facts
"There is a huge variation in the chemistries of bentonites, it is impossible to specify ... |
16-2-2013 at 08:54
by: Morgan |
Thixotropic effect
The-THIXOTROPIC-Nature of-SILT
http://www.youtube.com/watch?v=-i0QW-Zrd4Y |
15-2-2013 at 17:16
by: Morgan |
F- From Tap Water?
"The U.S. Environmental Protection Agency has re-evaluated the current science on fluoride and is ta ... |
15-2-2013 at 12:15
by: Morgan |
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