The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is defined as 299792458 metres per second (approximately 300000 ...

Collaboration can be a beautiful thing, especially when people work together to create something new. Take, for example, a ...

Light from the Sun reaches Earth through the vacuum of space. The speed of light in air is very close to 300 000 000 m/s. which is nearly a million times faster than the speed of sound ...

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 ...

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 ...

The prototype camera uses optics for computing, reducing power consumption and enabling the camera to identify objects at the speed of light. Image: Ilya Chugunov, Princeton University Join Imaging ...

Researchers have created a compact camera where the lens is replaced by engineered optics that can identify objects at ...