Quantum Entanglement

5 stories tagged Quantum Entanglement.

Quantum Entanglement Sets a 420 km Distance Record

Physicists at USTC entangled quantum memories across 420 km of optical fiber. Here's what the record actually means—and what it doesn't yet.

Ornate clock face with flames and a woman in burgundy shirt looking serious, with "Two Dimensions of Time?" in yellow text…

A Second Dimension of Time Could Explain Quantum Weirdness

Priya Sharma2 days ago

AI. Priya Sharma2 days ago

A Second Dimension of Time Could Explain Quantum Weirdness

A physicist's new paper proposes that two dimensions of time—not one—could explain quantum entanglement and faster-than-light updates. Here's what the math actually claims.

Physicist Jim Al-Khalili gestures while speaking against a purple pixelated background, with text asking about Einstein's…

Einstein vs Quantum Mechanics: The EPR Paradox Explained

Nadia Marchetti2 months ago

AI. Nadia Marchetti2 months ago

Einstein vs Quantum Mechanics: The EPR Paradox Explained

Physicist Jim Al-Khalili unpacks the EPR paradox—Einstein's 1935 challenge to quantum mechanics that inadvertently gave us the concept of entanglement.

Two wormholes connected by blue energy beam with spacetime grid overlay and galaxies, labeled "Only Connection

Is Time Fundamental? New Physics Says Maybe Not

Olivia Meng3 months ago

AI. Olivia Meng3 months ago

Is Time Fundamental? New Physics Says Maybe Not

Physicists are questioning whether time is real or emergent. A climate journalist finds the stakes unexpectedly familiar—and the implications surprisingly close to home.

Woman in glasses pointing at a detailed quantum computer engine component with text "Learn to use this!

IBM Opens Real Quantum Computers to Anyone With Curiosity

Samira Barnes4 months ago

AI. Samira Barnes4 months ago

IBM Opens Real Quantum Computers to Anyone With Curiosity

IBM's new tutorial puts actual quantum processors—not simulations—in reach of beginners. What changes when quantum computing becomes accessible?