Study reveals how the tech behemoth is using the motions sensors on phones to expand quake warnings to more countries.

Unlike conventional systems that use dedicated, expensive seismic instruments, Google's Android Earthquake Alerts system leverages the sheer scale of smartphones, which continuously collect motion ...

Acoem ATD technology detects both the muzzle blast and the ballistic sound wave of a bullet in motion, allowing detection and location from a single sensor. At ISC-West, booth #7041, Acoem, a ...