Scientists discovered strange light pulses that appear without buildup and resist interference, thanks to time’s one-way flow.

A mysterious flash of light lit up the night sky across Utah on Saturday, sparking a wave of excitement and intrigue. For ...

and there actually is light—at one precise moment in time and point in space," says Prof. Alexander Szameit of the University of Rostock. These fleeting flashes of light, however short ...

SALT LAKE CITY — In a flash of light, dozens of lucky viewers got a ... "When the object starts in space, it starts pretty large and then as it comes down it starts to vaporize and fragment ...

Describing form is easy; defining space is hard. During my tenure at the American ... Conversely, everything leading up to that moment of flash is a “past light cone”—all the events that informed that ...

The flashlight searching for the circuit ... Light is produced by changes in the energy level of electrons. Light moves through space as a wave, but when it encounters matter it behaves like ...

Videos of a ball of fire from space shooting over Mexico and dissolving in a burst of light struck awe across the capital city.

Wang and Gao postulate that the green light flashes are caused by streams of ... because the charge carriers are more confined in space, resulting in a larger energy separation between the optical ...