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This mathematical trick can help you imagine space-time

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High resolution images presents creating planets of the solar system. This image elements furnished by NASA.

Illustration of the creation of planets of the solar system

NASA

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.

Space-time is a curious thing. Look around and it’s easy enough to visualise what the space component is in the abstract. It’s three dimensions: left-right, forwards-backwards and up-down. It’s a graph with an…



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