![This mathematical trick can help you imagine space-time 1 High resolution images presents creating planets of the solar system. This image elements furnished by NASA.](https://i0.wp.com/images.newscientist.com/wp-content/uploads/2023/12/01153929/sei181944917.jpg?resize=696%2C464&ssl=1)
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…