Spacetime

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Physics

Spacetime isn't actually smooth; at the quantum level, it's believed to be "foamy" and incredibly turbulent. elaborate share

Wormholes

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Physics

Wormholes, if they exist, could potentially allow for faster-than-light travel, but traversing one might require navigating exotic matter with negative mass-energy density – a substance we've never observed. elaborate share

Fusion Energy

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Physics

Fusion reactions power the sun and stars. elaborate share

Tides

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Physics

Tides can actually affect the Earth's rotation, slowing it down very, very slightly over incredibly long periods. elaborate share

Quantum Entanglement

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Physics

Quantum entanglement allows two particles to be instantaneously correlated, regardless of the distance separating them – a phenomenon Einstein famously called "spooky action at a distance." elaborate share

Particles

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Physics

Some particles, like neutrinos, can pass through the entire Earth without interacting. elaborate share