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Pyrex heat resistance after cutting
That is an interesting trick. I may use it to test the glassware should I end up distilling H2SO4.
... |
7-10-2006 at 21:16
by: Quince |
Hardware store chemicals - questions
His point was he didn't want to spend on concentrated acid. H2SO4 is only useful for a drain cleane ... |
7-10-2006 at 09:35
by: Quince |
Electrical Furnace Contruction - My design and implementation
This reminds me of the infrared soldering such as http://www.aoyue.de/images/prod/Aoyue_710_1.jpg
H ... |
7-10-2006 at 04:47
by: Quince |
Hardware store chemicals - questions
Automotive electrolytic battery. |
7-10-2006 at 03:43
by: Quince |
Pyrex heat resistance after cutting
Is a self-cleaning gas oven OK as well, or is the temperature insufficient? |
6-10-2006 at 22:09
by: Quince |
Microwave drill
[quote][i]Originally posted by IrC[/i]
"please don't divert my thread any more"
Your topic was m ... |
4-10-2006 at 17:47
by: Quince |
Pyrex heat resistance after cutting
Oh shit I broke it... nvm |
4-10-2006 at 06:02
by: Quince |
Pyrex heat resistance after cutting
I gut a large pyrex jar, removing the bottom and a ring off the other side, to use as a transparent ... |
4-10-2006 at 05:38
by: Quince |
Microwave drill
Drilling small holes in hard materials is easy -- I have jeweller's diamon bits and they last well i ... |
4-10-2006 at 02:42
by: Quince |
Microwave drill
[quote][i]Originally posted by 12AX7[/i]
low loss coax at that frequency and power isn't easy to co ... |
2-10-2006 at 22:48
by: Quince |
Microwave drill
LOL, I don't care so much about it's utility as the novelty factor. It's just a toy I want to build ... |
2-10-2006 at 22:43
by: Quince |
Microwave drill
Who cares if there's a commercial unit? The prototypes work fine and the research was accepted in p ... |
2-10-2006 at 19:24
by: Quince |
Unconventional Shaped Charges
LOL! |
2-10-2006 at 19:20
by: Quince |
Microwave drill
This device is not intended to be operated in the open: from the patent, "Regarding microwave safety ... |
2-10-2006 at 06:21
by: Quince |
Microwave drill
As someone already pointed out in another thread, http://www.eng.tau.ac.il/~jerby/microwave_drill/in ... |
2-10-2006 at 05:34
by: Quince |
Hardware store chemicals - questions
What about FedEx or Purolator?
UPS may be worth it for say 10 L and up.
[Edited on 2-10-2006 by ... |
2-10-2006 at 00:51
by: Quince |
Induction heating
Caps are cheap. Last year I bought four slightly used 3 kV film in oil, 40 uF each, for $40. That' ... |
2-10-2006 at 00:49
by: Quince |
Hardware store chemicals - questions
Uh oh... UPS over the border is a no-no. They charge a ludicrous brokerage fee (separate from the c ... |
1-10-2006 at 18:45
by: Quince |
Induction heating
Well, I'm aiming for no more than 3-4 kW. |
1-10-2006 at 17:05
by: Quince |
Hardware store chemicals - questions
Can you ship to Canada? |
1-10-2006 at 16:58
by: Quince |
Hardware store chemicals - questions
So if not carbon etc., what's the yellow from? It's gotta be from something. |
1-10-2006 at 04:24
by: Quince |
Hardware store chemicals - questions
Actually I tried a bit of 35% H2O2, but the original slight yellow tint was unchanged. |
1-10-2006 at 03:39
by: Quince |
The WORST BOOKS Ever Written
Help for what? Like the great physicist Steven Weinberg said, "Religion is an insult to human digni ... |
1-10-2006 at 03:38
by: Quince |
Hardware store chemicals - questions
[quote][i]Originally posted by not_important[/i]
adding some potassium persulfate[/quote]
Uh, I th ... |
1-10-2006 at 02:54
by: Quince |
Reactor
[quote][i]Originally posted by matei[/i]
[quote][i]Originally posted by Quince[/i]
I want to know ... |
1-10-2006 at 02:51
by: Quince |
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