Case in point, this ping-pong ball launcher that can put holes in a sheet of OSB. The projectile is made more lethal because the ball has been injected with water to dramatically increase the density.

Members from the London Hackerspace recently got a little on-air time with a ping pong ball launcher. They were invited to build something for the Click show on BBC.

If the ball is only being pushed by the air, then the acceleration will be this air force divided by the mass of the ping-pong ball. Using the force of 125 Newtons, this gives an acceleration of ...

Materials n Turkey baster n Ping-pong balls Instructions STEP 1: Using the turkey baster, engineer a turkey baster ping-pong ball launcher that will shoot a ping-pong ball at least 15 feet.

BOWMANVILLE — So here’s the deal: Take a ping-pong ball, a bunch of ordinary materials like wood, screws and elastic bands, and launch said ping-pong ball 25 metres. And you’ve got 75 minutes to do it ...

n Turkey baster n Ping-pong balls STEP 1: Using the turkey baster, engineer a turkey-baster ping-pong ball launcher that will shoot a ping-pong ball at least 15 feet. STEP 2: Convey your design ...