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What everyday objects become surprisingly challenging to use in zero gravity?

Last Updated: 28.06.2025 00:28

What everyday objects become surprisingly challenging to use in zero gravity?

Toilets are notoriously difficult - if I recall correctly, there is something like a three day training course for astronauts to learn to use the ISS toilet before they fly there.

Things like drinking cups really don’t work - neither do hard glass bottles. You have to force the liquid out by squeezing the container and drinking the liquid through a straw..

I’m sure there are plenty of other things.

Your ketchup will see you now: Solid-phase properties reveal when yield stress fluids start to flow - Phys.org

For some other things - the astronauts have to use a seat-buckle - for example, typing on a regular keyboard gradually pushes you backwards until the keyboard is out of reach.