A series of new animations by a NASA scientist show just how zippy — and also how torturously slow — the speed of light can be. Light speed is the fastest that any material object can travel ...

The speed of light in a vacuum, clocking in at a showy 299,792,458 meters per second (98,3571,056 feet per second), plays a pretty darn important role in the laws of physics as we understand them ...

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 ...

When Albert Einstein said that nothing travels faster than the speed of light, he didn't talk about objects that could already be traveling faster than light. This is a mind-boggling idea that ...

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 ...

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 ...