Ben Krasnow
Monday, September 19, 2011
Supercritical CO2 caffeine extraction (negative result -- more work needed)
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I tried to extract caffeine from green coffee beans using supercritical CO2, but I had no success. The beans underwent a strange transforma...
7 comments:
Friday, September 9, 2011
Argon beer, an alternative to the usual CO2 carbonation
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Most beer is carbonated with 100% CO2. Some beers, notably Guinness and some other porter/stouts, contain a mixture of nitrogen and CO2 in ...
11 comments:
Saturday, September 3, 2011
A close look at supercritical carbon dioxide CO2
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I built a pressure vessel from aluminum and acrylic and filled it by placing pieces of dry ice inside. The dry ice melts under high pre...
53 comments:
Magnesium burning inside dry ice
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This has been done many times, but is still fun and easy. This is the first time that I have tried it myself. The reaction produces Magne...
3 comments:
Thursday, August 25, 2011
Getting started with the Altera DE1 FPGA board: Create and download a simple counter
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This is my first experience with FPGA programming, and so I made this video to show how easy it is to get started. Many of the tutorials on ...
5 comments:
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