Tag Archives: laser cutter

A motorized turntable in under 15 (times pi) minutes

I shared an office with a postdoc, Krishna, whose work centered around building an instrument to measure seismic tilt for LIGO, the gravity-wave observatory that made the first detection of gravitational waves. The instrument consisted of a long bar with weights on each end that hung from a pair of thin flexures EDM-cut from beryllium […]