The science pros at The King of Random show how to make a budget-friendly one-way check valve that works. "Tropical wave train" forms behind Hurricane Erin in Atlantic ‘We are arresting the mayor ...

The King of Random shares a cheap and easy guide to making a one-way check valve. Coach John Beam dies after being shot on college campus Letters to the Editor: New Epstein emails 'signal something ...

Ordinarily, if you want liquid to flow in only one direction through a pipe, that pipe needs to be equipped with a flap-type valve – which could fail. Now, however, scientists have created a new type ...