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The Salmon Cannon Is A Stroke Of Scientific And Environmental Brilliance

2 Sep 2019, 14:01 UTC
The Salmon Cannon Is A Stroke Of Scientific And Environmental Brilliance
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A salmon shown exiting the Salmon Cannon, after a journey through hundreds of feet of pneumatic tubing. This type of transport system can help restore the natural runs of salmon, despite the presence of otherwise impassable dams. (WHOOSHH INNOVATIONS)The story behind the meme is one of those rare cases where everybody wins.The spectacle of a large fish getting fired out of a cannon has taken the internet by storm.When salmon swim into the proper location or entry point, they will enter a tube which is then pneumatically pressurized to transport the salmon to the other end, at an elevation hundreds of feet higher than their initial entry point. Once they re-enter the water, they can safely swim away from a point significantly farther upstream. (WASHINGTON STATE UNIVERSITY)But the Whooshh Fish Transport System uses straightforward physics to solve a complex environmental problem.The idea of Pneumatic transport became popular in the 19th century, as a pressure gradient in air pressure, by either creating a vacuum ahead of the transported object or a burst of pressurized air behind it, accelerates and transports anything from drugs (in a hospital) to money, checks and receipts (in a bank) to even people in a device such ...

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