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Lost PLA Sand Casting
[rquote=556689&tid=107413&author=The_Great_Orgo]A friend of mine does lost PLA casting and h ...
27-11-2018 at 12:35
by: Gearhead_Shem_Tov
Home made gas chamber for little children.
[rquote=555479&tid=106406&author=Sulaiman]More of a Societal question isn't it ?
Where/when ...
23-11-2018 at 10:45
by: Gearhead_Shem_Tov
Preparation of Al(HSO4)3
[rquote=554004&tid=104697&author=kmno4]Iran, Iran, Iran and Iran :D
...
Maybe islamic chem ...
18-11-2018 at 21:06
by: Gearhead_Shem_Tov
3d Printed Lab Ware
[rquote=543856&tid=96903&author=VSEPR_VOID]I have been thinking of doing just that. It invol ...
18-10-2018 at 18:20
by: Gearhead_Shem_Tov
Processing animal waste (manure) - any way to speed up the process?
Aerobic composting would probably be better all round from an ecological point of view (less fugitiv ...
14-10-2018 at 16:11
by: Gearhead_Shem_Tov
Speculating how early humans discovered the 7 metals of antiquity?
[rquote=542167&tid=96687&author=clearly_not_atara]... Heating rocks isn't obviously useful . ...
13-10-2018 at 21:29
by: Gearhead_Shem_Tov
Mature Galleries a spam deletion test
So, given the page full of new spam that's stacked up should we go back to reporting it as usual?

[ ...
10-10-2018 at 02:59
by: Gearhead_Shem_Tov
Where is Blogfast25 ?
I gotta agree with the previous few posts. Stirring shit up from a random year old thread seems to m ...
9-10-2018 at 03:45
by: Gearhead_Shem_Tov
Why some languages write compounds' names with anions first?
[rquote=541466&tid=96037&author=fusso]
But both anions & cations are nouns right? I can ...
7-10-2018 at 21:44
by: Gearhead_Shem_Tov
Gaussian 09
Sorry, I haven't personally checked any of them. They were in a list I found that suggested them as ...
30-6-2018 at 23:43
by: Gearhead_Shem_Tov
Gaussian 09
In alphabetical order: ADF, Dalton, GAMESS, Jaguar, PSI4, Qchem, and Spartan are a few free-ish alte ...
30-6-2018 at 18:13
by: Gearhead_Shem_Tov
why is it impossible to make synthetic wood and metals
For the nonce, I will take 'synthesise' as short for 'human controlled partial synthesis'. I'll furt ...
19-12-2017 at 18:37
by: Gearhead_Shem_Tov
Recycling a car battery
[rquote=497309&tid=77964&author=S.C. Wack]
Is there a difference between original and repla ...
13-11-2017 at 03:40
by: Gearhead_Shem_Tov
Recycling a car battery
Even if some plates are damaged, I'm hoping that some will be usable. It will result in a smaller ca ...
11-11-2017 at 16:59
by: Gearhead_Shem_Tov
Recycling a car battery
Thanks for the video like, PirateDocBrown .

Really, though, I'm more interested in salvaging the ...
11-11-2017 at 02:42
by: Gearhead_Shem_Tov
Recycling a car battery
My 'maintenance free' car battery karked it yesterday.

As far as I can tell, I can get roughly $6 ...
1-11-2017 at 21:43
by: Gearhead_Shem_Tov
Can sodium metal really be transparent ?
Just by virtue of being a true metal it is extremely unlikely that bulk Sodium would ever be transpa ...
30-8-2017 at 03:05
by: Gearhead_Shem_Tov
Nice article on home chemistry
Rather general and light, but positive.

https://www.chemistryworld.com/feature/hobby-chemists/101 ...
24-11-2016 at 05:38
by: Gearhead_Shem_Tov
Early UVa Chemistry lab uncovered
Here's part of a chemistry laboratory forgotten for almost 200 years. Fume hoods? Closer to Ye Olde ...
17-10-2015 at 01:32
by: Gearhead_Shem_Tov
Is there a book describing how to obtain modern technologies from scratch?
[rquote=396877&tid=16777&author=Gearhead_Shem_Tov]Caveman Chemistry might be one start.

H ...
14-3-2015 at 21:40
by: Gearhead_Shem_Tov
Is there a book describing how to obtain modern technologies from scratch?
Caveman Chemistry might be one start.

Here's another:

http://preview.tinyurl.com/o2457wc
13-3-2015 at 20:03
by: Gearhead_Shem_Tov
Liquid Nitrogen generator
I came across this on [url=http://www.instructables.com/id/Homemade-liquid-nitrogen-generator/]Instr ...
28-12-2014 at 18:17
by: Gearhead_Shem_Tov
How to ID chemicals making my toolbox stink?
After more googling, it seems the handles are most likely the problem. Craftsman translucent driver ...
18-8-2014 at 03:31
by: Gearhead_Shem_Tov
How to ID chemicals making my toolbox stink?
[rquote=342191&tid=32726&author=forgottenpassword]You'll need to run a simple GC headspace a ...
18-8-2014 at 03:00
by: Gearhead_Shem_Tov
How to ID chemicals making my toolbox stink?
I have a steel Sears Craftsman toolbox filled with Craftsman screwdrivers and nut drivers I purchase ...
18-8-2014 at 02:22
by: Gearhead_Shem_Tov
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