Watch the world’s longest-running experiment on webcam (Yahoo! News)

Posted by Mikel on January 26th, 2012 at 05:55pm

Yahoo! News - It all started in 1927, back when bob cuts were in and talkies had only begun gaining traction. Professor Thomas Parnell wanted to demonstrate that tar pitch — a derivative of tar that’s so brittle, a hammer could shatter it — is …

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