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From the archives: The discovery of electrons breaks open the subatomic era
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DIY
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Featured in Wiffle balls

By Jan 31, 2015
DIY

How To Build A Cannon That Shoots Wiffle Balls At 50MPH [Video]

Repurpose your leaf blower into a pitching machine

Wiffle ball cannon
By Aug 26, 2014
DIY

This Reader Revamped Our Wiffle Ball Cannon

Dave Herbert turned our pitching machine into a levitation tube and a water balloon launcher.

By Aug 26, 2014
DIY

Hurl Wiffle Balls At 50 MPH—With A Leaf Blower

Fast-paced fun

Wiffle ball cannon