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In the Back to the Future movies, the DeLorean car was able to travel through time thanks to a flux capacitor. Wikimedia/Oto Godfrey and Justin Morton

We’ve designed a ‘flux capacitor’, but it won’t take us Back to the Future

Physicists have designed an electrical component that breaks time-reversal symmetry. Not quite the time machine from Hollywood but it should help with communication technology and quantum computing.
Kite- and dart-shaped tiles create never-repeating patterns. PrzemekMajewski /wikimedia

The maths behind ‘impossible’ never-repeating patterns

Many scientists didn't believe that crystals made up of never-repeating patterns could exist. But they do and scientists are starting to understand the weird maths behind them.
Repeating patterns are visually intriguing. Frank A Farris

Patterns are math we love to look at

When you see a repeating pattern, your mind easily imagines it continuing to infinity. There are mathematical rules behind the intriguing visuals.

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