http://hackaday.com/2014/10/17/detect-cosmic-rays-with-your-smartphone-using-crayfis/
I find this cosmic ray project very appealing.
Also, Adam Fabio over on Hackaday recently posted a Hack-let on ham radio:
http://hackaday.com/2014/10/17/hacklet-19-ham-radio/
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics"
http://soldersmoke.com/book.htm
Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke
Our Book Store: http://astore.amazon.com/contracross-20
Crystal Radios • Re: Nice sounding selective FM xtal radio
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Thank you for your post!
First attempt. With BAT48 and 3200 Ohm headphones, I hear nothing. I
suppose I must use the BAT32.
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1 hour ago
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