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Physics

Why the quantum universe is weirder than you think

The quantum realm is full of strange effects, but there’s a reason why everything looks normal from our point of view, writes physicist Sebastian Deffner

By Sebastian Deffner

10 November 2023

An artist's impression of three merging black holes

An artist’s impression of three merging black holes

Declan Hillman/Shutterstock

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or two to tell you about fascinating ideas from their corner of the universe. You can sign up for Lost in Space-Time for free here.

Aren’t we living in interesting times for quantum physics? Over the last few years, global investments into quantum technologies have risen from just a few hundred million US dollars a decade ago to almost 2.5…

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