How do you read binary numbers?

How do you read binary numbers? ISABEL BLACKMORE We count in decimal – that’s multiples of 10, or base 10. That means we use 10 distinct symbols to write down all numbers: 0,1,2,3,4,5,6,7,8,9. Perhaps having 10 digits on our hands helps with the maths. It was not always this way – duodecimal, or base 12, […]

How does wireless charging work?

How does wireless charging work? GEMMA LAWRENCE Electrons are clever subatomic particles. Push them along a wire and you’ve got electricity. Coil that wire, and you get a magnetic field – that’s how electric motors get their push. Put the coil near another one with a shared iron core to direct the magnetism, and power […]

Question of the month

How worried should we be about ancient viruses and bacteria emerging from melting permafrost due to climate change?

The Explainer: Tornados

What is a tornado and how does it form?

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Could a hedgehog run at the speed of sound?

As Sonic returns to cinemas, we find out what fate awaits a hedgehog that can top the speed of sound

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