For $10 you can buy one of this that can measure .1mm https://en.wikipedia.org/w...

		gus_massa on July 5, 2024 \| parent \| context \| favorite \| on: Gravitational wave researchers cast new light on A... For $10 you can buy one of this that can measure .1mm https://en.wikipedia.org/wiki/Calipers and there are better devices.