A chip-sized device that can switch between two topologically protected light structures opens up a route to wireless ...

To keep communications secure in a post-quantum world, cryptographers are digging down into the concept of cause and effect.

Diamond is extremely valuable to science and technology not for its sparkle but for its extreme hardness, high thermal ...

Quantum computers get a lot of attention, even though they are not ready for prime time, but quantum sensors are already ...

What if wormholes were never cosmic tunnels at all? New research suggests Einstein and Rosen’s famous “bridge” may actually reveal something even stranger: time itself could flow in two directions at ...

Researchers at Penn have created a hybrid light-matter particle that could dramatically speed up AI computing while using far ...

The rules governing gravity and other laws of nature seem like eternal truths, but cosmologist João Magueijo has always ...

Science fiction makes faster-than-light travel seem easy, but reality tells a different story. This video reveals the ...

A plasma experiment succeeded in twisting light-like waves, and revealed a new, previously unknown rule of extreme physics.

Scientists have shown that sunlight alone can generate quantum-correlated photons capable of producing “ghost images,” a feat ...