The salmon cannon  AUG 13 2014

In order to reproduce, salmon swim from the ocean up rivers until they find the spot they were born. But sometimes people build dams or other "artificial water constructions" that can disrupt salmon travel. A company called Whooshh Innovations has developed a tool to help with this problem: a pneumatic salmon cannon.

According to the folks at Whooshh, their transport system can handle 40-60 fish per minute, move the fish at 5-10 m/sec (11-22 mph), and transport fish 1000 feet into the air along a tube 2000 feet long. Here's a video showing how a similar fruit transportation system works:

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