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Extracting lead from car batteries >5 ppm extractable lead relegates dirt as hazardous waste (per the TCLP).
funny, the concentr ... |
16-5-2008 at 21:24 by: tumadre |
Extracting lead from car batteries OMG *thinking back to my childhood lead experiences...
Alright. band saw, if you have one, or an ... |
16-5-2008 at 14:22 by: tumadre |
What’s the average age? I feel you MJP, from the are of 18 to almost 20 it seems like the time just disappeared.
I've alw ... |
6-5-2008 at 15:26 by: tumadre |
Did you ever hear of Einstein's Refrigerator? I understand what you're saying, but my limited knowledge about COP tells me that increasing the tem ... |
26-4-2008 at 18:32 by: tumadre |
Drying Machine Ball Mill Anyone? If electricity is really expensive where you live, ie. Cali. you could put a permanent magnet or uni ... |
24-4-2008 at 13:07 by: tumadre |
Drying Machine Ball Mill Anyone? The 20 gauge sheetmetal isn't going to hold up IMO |
23-4-2008 at 16:12 by: tumadre |
Where do you obtain cheap electrical components? Computer monitors have a very wide assortment of parts.
If you want to get creative you could tak ... |
22-4-2008 at 07:06 by: tumadre |
Liquid bomb plot demo video Why don't we allude to the ease of building a bomb, after a practical demonstration of a DIY guided ... |
20-4-2008 at 13:09 by: tumadre |
argon As long as the gas is inert, there should be no problem with filling it with a different gas.
I b ... |
16-4-2008 at 13:34 by: tumadre |
Methyl Ethyl Ketone Peroxide Mix it with some other hydrocarbon and burn it |
25-3-2008 at 13:28 by: tumadre |
Californian chemophobia Well here is the proposed changes: a 52 page [url=http://www.arb.ca.gov/regact/2008/zev2008/zevisor. ... |
25-3-2008 at 06:31 by: tumadre |
Pure Stupidity Well this is only on topic to the extent that one more Californian regulatory board has shown that t ... |
23-3-2008 at 20:59 by: tumadre |
DIY Sub Zero C freezer? From what little I know about the subject, I'm thinking the efficiency will decrease as the temperat ... |
20-3-2008 at 14:08 by: tumadre |
Is it possible to clean phosphors from Fl Tube? Just about everything can remove the white coating from the insides of incandescent bulbs
I don ... |
16-3-2008 at 12:39 by: tumadre |
Nitration of xylene I just looked at the gallon of xylene in front of me, it says: "upper limit 20% ethyl benzene". |
2-3-2008 at 12:22 by: tumadre |
Taking the carbon dioxide out of coal! I think the only issue is the sheer land area and construction of such a green house or pond.
At ... |
27-2-2008 at 14:34 by: tumadre |
1908 siberia explosion http://www.space.com/scienceastronomy/070626_st_tunguska_crater.html
The first expedition did not ... |
19-2-2008 at 11:35 by: tumadre |
Symbol N That depends on the author.
it could mean first law efficiency.
or the number of moles.
fromt ... |
3-2-2008 at 18:17 by: tumadre |
20000 lbs of sodium +water I would take a guess that bulk electricity would have been 1.5 to 3 cents/KWH at the time.
and th ... |
4-1-2008 at 17:58 by: tumadre |
hydrogen and chlorine A little off topic, but what would be the upper pressure limit for safely storing a styrometric mixt ... |
23-11-2007 at 02:48 by: tumadre |
LTspice/SwCAD III (freeware schematic capture / circuit analyzer) I just downloaded it, I wasn't too impressed,
If you know how to use it, then of course you will g ... |
7-9-2007 at 21:18 by: tumadre |
global energy grid The flame in this thread is bigger than any inductive kick I've seen.
Obviously the areal install ... |
29-8-2007 at 12:54 by: tumadre |
global energy grid Stop!!!
An increase in IX causes an increase in IR heat loss, due to the power factor.
the rea ... |
29-8-2007 at 04:16 by: tumadre |
What would you call a real chemical? Students only get "watered down" chemicals to experiment with instead of "real chemicals"
How tru ... |
25-8-2007 at 17:04 by: tumadre |
Radioactive boy scout update.... I'm not being a radiation hysteric, indeed, if i had some Th-232 i'd make some U-232 myself
but i ... |
17-8-2007 at 13:51 by: tumadre |
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