Old-school contraptions still work for weighing astronauts
Without gravity, measurement relies on body’s effect on mechanical oscillations
![Andre Kuipers](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/09/100116_notebook_50YA_main.jpg?fit=860%2C460&ssl=1)
SPACE BOUNCE Aboard the International Space Station, astronaut Andre Kuipers measures his weight using the pogo-stick-like Body Mass Measurement Device, which uses spring oscillations to determine mass.
NASA