revtkatt
- DIY
Quantum Physics in a Glass
Before the discovery in the 1920s of quantum mechanics—laws that explain the way the world works on the very small scale of atoms and electrons—the fact that bleach and peroxide glow when mixed would have seemed like just another chemical reaction that gives off light, like fire or fireflies. But it’s actually a glimpse into the impossible.
6.11.2009 at 01:48pm - Comment by revtkattSo, how about a luciferase experiment using crushed fireflies?
- DIY
Making Silicon from Sand
Dept.:Gray Matter
Element:Silicon
Project: Purifying it
Time: 4 hours
Cost: $40
Dabbler | | | | | Master6.11.2009 at 11:15am - Comment by revtkattYou should also be able to use aluminum powder for the goldschmidt (thermit) reaction that obtains the raw Si. Aluminum will also disappear during the HCl purification.
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December 2009: Best of What's New
In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.
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