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A Note on Tried and True Chemical Procedures....

Posted 02-12-2009 at 05:59 PM by Mercedes Benzene (A Peregrination of Life in Notes)
So, for the fast few months I've been trying to find a way of producing 4-bromoresorcinol with good yield.
Well after trying a whole bunch of modern procedures, I stumbled upon this one on Tuesday.
http://www.orgsyn.org/orgsyn/pdfs/CV2P0100.pdf

It's from 1937, but I used it, and today I ended up with a very sizable amount of product. It felt so good.

It just goes to show that the old and obscure can often be the most appropriate.
MB
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Old

reuse

Posted 02-11-2009 at 02:17 PM by Turtle (The way I see it...)
after reading many methods for reusing silica gel packs used as desiccants for my camera equipment, i settled on nuken' 'em in the microwave bath. i put 5 or 6 on a glass plate and zapped them 3 times on high for ~20 seconds per burst and allowing them to cool for several minutes between.. too much at once apparently causes meltdown! all's well that ends dry.
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Solar oven

Posted 02-08-2009 at 02:37 PM by monkey93xf
This is an 11th grade science project for AP Enviornmental science. I have to build a solar powered oven. This does not mean i have to have solar cells, we can use things such as mirrors, foil, ect. Anything that will be able to heat food. The competition is to see if we can beat the teacher's solar oven. The rules are whoever gets the biggest temp. difference wins. That it. But so far this is my idea:

Round box lined in foil, mirrors angled enough to catch the sun and reflect to...
Curious
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Old

A Note on Kindle 2.0 Speculations....

Posted 02-08-2009 at 12:47 PM by Mercedes Benzene (A Peregrination of Life in Notes)
Updated 02-08-2009 at 05:02 PM by Mercedes Benzene
Good day everyone. If you haven't already heard, Amazon is set to officially release to the public its Kindle 2 tomorrow, Monday February 9th.

I never did buy the current version, as I was hoping for an upgrade. As of this moment there are "leaked" pictures of the new Kindle, as well as speculative pricing.
On those two fronts respectively:
  • I kinda like the new design. It's definitely an improvement over 1.0, but I was really hoping for a touch screen.
  • Word
...
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Old

Is Technology Growing Too Fast?

Posted 02-06-2009 at 08:21 AM by Nostalgicfox
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