The urinal cartridges must be refilled with fluid every so often, since some of the fluid goes into the drain with every use, Brixen said. But not having to maintain the flushing mechanism of a ...

Image supplied, Weber State University A rendering of two alternate urinal designs, on the right, versus contemporary models, at left, which were conceptualized by a team including Randy Hurd ...

A waterless urinal, left, is shown next to standard urinals at the University of Michigan engineering building, Tuesday, Jan. 24, 2017, in Ann Arbor, Mich. The waterless toilet is connected to a ...

A standard urinal uses one-third the water to perform the same task as a toilet. Forcing men to urinate in unisex toilets thus wastes up to 4.1 litres of potable water per flush.

"I'm a registered nurse, and I thought there could be a more comfortable urinal design for bedbound male patients," said an inventor, from Temecula, Calif., "so I invented THE SOFT URINAL. My design ...