The total energy of the ball consists of its potential energy (related to position) plus its kinetic energy (related to motion). To zero out both components, you would have to give a precise value to ...

The Xtape1 is a very different take on the laser tape measure. This one has a laser, yes (three, actually, a red one is used for measuring, and two green aligning beams) that's good out to 330 feet ...

Astrolight, a space and defence-tech company pioneering laser communication solutions across space, ground, and maritime domains, is set to demonstrate its low-SWaP ATLAS-1 laser communication ...