The science pros at TKOR explain how to make a cheap and simple one-way check valve.

Look out for one-way valves located in your bilge-pump overboard discharge hose. The intended purpose is to prevent the water left in the bilge hose from flowing back into the boat after the pump ...

The King of Random shares a cheap and easy guide to making a one-way check valve. Trump pushes Supreme Court to overturn ruling Attacker who killed US troops in Syria was a recent recruit to security ...