– The Planck constant was measured with world’s highest-level precision – Kenichi Fujii (Prime Senior Researcher), the Research Institute for Engineering Measurement (Director: Toshiyuki Takatsuji), ...

There are (probably) less than two dozen fundemental constants that define the physics of our universe. Determining the value of them might seem like the sort of thing for large, well funded ...

We aren’t sure if [Looking Glass Universe] didn’t trust the accepted number for Planck’s constant, or just wanted the experience of measuring it herself. Either way, she took some LEDs and worked out ...