Keywords speed of light, air, water, measurement, experiment, parabolic mirror, oscilloscope, index of refraction, light travel, physics Email us at [email protected] if you have questions about ...

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

Although they travel at the fastest possible speed (the speed of light,) they take a while to get here. The universe is big, so the news is delayed by the vast gulfs of space it has to cross to ...

Majumdar and Heide's research prototype uses optics for computing, significantly reducing power consumption and enabling the camera to identify objects at the speed of light. Their device also ...

Taara is a silicon photonic chip, which is a technical way of saying it transmits data through the air using beams of light. The original version of Taara worked, but it had limitations — namely ...

A new method for manufacturing lightsails that can reach up 20% of the speed of light is making the technology look more ...