Quantum Teleportation Was Just Achieved With 90% Accuracy Over a 44km Distance

Scientists are edging closer to making a super-secure, super-fast quantum internet possible: they’ve now been able to ‘teleport’ high-fidelity quantum information over a total distance of 44 kilometres (27 miles). Both data fidelity and transfer distance are crucial when it comes to building a real, working quantum internet, and making progress in either of these […]

Read More Quantum Teleportation Was Just Achieved With 90% Accuracy Over a 44km Distance

Watch “The Year’s Biggest Breakthroughs in Physics” on YouTube

The Year’s Biggest Breakthroughs in Physics This year, two teams of physicists made profound progress on ideas that could bring about the next revolution in physics. Another still has identified the source of a long-standing cosmic mystery. 1. Here’s an extremely brief version of the black hole information paradox: Stuff falls into a black hole. […]

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Quantum reality is either weirdly different or it collapses | Ars Technica

Quantum mechanics, when examined closely, poses some deep questions about reality. These questions often take the form of thought experiments, which are later (usually much later) followed up by real experiments. One of the most difficult and deepest of these is a thought experiment proposed by Eugene Wigner in the 1960s, called “Wigner’s friend” (you […]

Read More Quantum reality is either weirdly different or it collapses | Ars Technica