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What can you see in the London Science Museum? How 'bout Astronaut Alan Shepard's diapers!

Below is an exact transcription. Enjoy.

Going to the Toilet!

When we go to the toilet, we depend on the Earth's gravity to keep our wee and poo in the toilet bowl. In space it would float about, because that gravitational force is absent. Space toilets have to suck the muck down!

On the early space flights, astronauts had to wear special apparatus to collect their waste. Faecal material was bagged and returned to Earth for analysis. Urine was vented into space from a "Urine Collection and Transfer Assemply" like that worn by Alan Shepard on Apollo 14 and displayed here.