Always on the lookout for better ways to measure all kinds of things, researchers have published a detailed study suggesting an "elegant" improved definition for the standard unit of light power, the ...

If scientists had sacred objects, this would be one of them: a single, closely guarded 137-year-old cylinder of metal, housed in a vault outside of Paris. It is a prototype that precisely defines a ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Author/Title Polytec Inc. Tustin, Calif. Laser Doppler vibrometers (LDVs) measure vibrations where other sensors can't. They accurately track up to 30 Author/Title Polytec Inc. Tustin, Calif. Laser ...