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hydroponics

What is Hydroponics?

4 Comments (Add) | Tuesday, June 26th, 2007 at 1:56pm

http://live.pirillo.com/ – Don Herbert – better known as Mr. Wizard to many of us geeks – passed away on June 12. So, a member of the YouTube community decided to ask for a moment on science out of respect for Mr. Wizard.

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