Demonstration of Yagi Antenna as used in Amateur Radio

A friend posted this YouTube video on a County Hunter forum. I found it very well done and thought I would share.  This is a demonstration of a Yagi beam antenna and shows how adding a reflector and directors to a driven element increases the signal strength in front of the antenna by focusing the power bounced off the reflector …

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Example of Supercooling & Snap Freezing

I have been a fan of Mr. Wizard, or for those of you who are too young to know who that is, Bill Nye “The Science Guy” type experiments that you can do at home for as long as I can remember. One simple experiment that I first learned about only a couple years ago was that of supercooling water …

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