What everyday objects become surprisingly challenging to use in zero gravity?
Last Updated: 28.06.2025 06:09

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.
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.
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..
SpaceX fires up Super Heavy booster ahead of Starship's 10th test flight (video) - Space
I’m sure there are plenty of other things.