“We found that when a liquid jet or droplet train impacts a rigid surface below a certain critical impinging angle, almost no ...

This high level of spillage of urine requires frequent cleaning, which uses a large volume of water, is unpleasant work for ...

Urinals, first invented nearly 200 years ago ... the condom catheters came in three sizes: small, medium and large. Despite the practical advantages of having the right size, the astronauts ...