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 ...

Flaps perform essential jobs. From pumping hearts to revving engines, flaps help fluid flow in one direction. Without them, keeping liquids going in the right direction is challenging to do.

Fake exhaust pipes are a usual sight on vehicles from the likes of Mercedes or Audi, but a brand like Ferrari has never been guilty of this offense. While this is true for production models, one of ...