Professor TOBIAS SEIDL (University of Zurich): You have to know a lot about yourself, and you have to know a lot about your approaching speed.

NPR: Mole-Rats, Ants Making Science Headlines

This is accomplished at the RHIC by colliding ions of gold into each other at speeds approaching the speed of light.

FORBES: Scientists Detect Heaviest Known Antimatter Particle

The sighting was indisputable but, at the same time, inconclusive: something from out there had been detected, it appeared to be approaching our atmosphere at great speed, the Pentagon was monitoring the situation closely.

NEWYORKER: The Invasion from Outer Space

Since the primary waves travel more quickly than the comparatively sluggish secondary waves, the system picks up on the magnitude and speed at which the quake is approaching, and beams the data over fiber optic networks to emergency relay stations setup in corporate towers, governmental buildings, hospitals, and transportation venues such as railways.

ENGADGET: Japan Meteorological Agency develops earthquake warning system

When the vehicle's speed reaches 19 mph, pedestrians are able to hear the car moving and the "approaching sound" automatically turns off.

ENGADGET: Nissan starts US production of 2013 Leaf, vows faster charging and a lower entry price