Lightspeed travel is a popular concept in sci-fi and pop culture, but it's not a technology we are likely to see anytime soon ...

Here’s how it works. The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant ...

The theory of special relativity is rife with counterintuitive and surprising effects, the most famous of which are length ...

Last week Elon Musk said in one of his 100-plus daily tweets that “This is just a very basic first step. Earth and Mars will ultimately need greater than petabit/sec connectivity.” Petabit/second ...

Snell’s Law explains light refraction at material boundaries, a principle crucial to fiber optics, lens design, and advanced ...

In special relativity, the speed of light is the ultimate speed limit to the universe. Every single moving object in the universe is constrained by that fundamental limit. This isn’t something like ...

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

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Political Novice Levi Strauss Heir Defeats San Francisco Mayor in 'Stunning' Upset ...

Much of modern life depends on the coding of information onto means of delivering it. A common method is to encode data in ...

The completion of the light-speed rail network spanning Montreal's West Island and the North Shore to downtown has been ...