Often, a company will attempt to break a world-record, or release a “crazy” web video to promote their generally unrelated product. What’s unusual is when that publicity stunt is actually really cool! John writes in –

The world’s largest and most powerful air vortex cannon.
The site has a video of the cannon blowing out candles from 180 feet away! There’s also a behind the scenes video that shows how it was made.

CandleCannon.com flash site – Link

Related:
DIY Airzooka
DIY Airzooka – Link