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Andrew Herbert is recreating EDSAC at the National Museum of Computing

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How the EDSAC computer changed science in the 1940s and 50s

Volunteers at the National Museum of Computing in Bletchley Park, UK, have been constructing a working replica of an EDSAC machine, one of the world's earliest general-purpose computers.

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A computer fibre being braided with a combination of metal and textile yarns

Technology

Thread-based computer could be knitted into clothes to monitor health

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Mathematics

Mathematicians found – and fixed – an error in a 60-year-old proof

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Physics

There may be a cosmic speed limit on how fast anything can grow

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Illustration of a chatbot icon on a digital blue wavy background

Technology

AIs are more likely to mislead people if trained on human feedback

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Life

Bacteria can work as a team to spot prime numbers and vowels

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Mathematics

Mathematicians can't agree what 'equals' means, and that's a problem

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The team's graphene device, grown on a silicon carbide substrate chip

Physics

First working graphene semiconductor could lead to faster computers

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Technology

China’s first underwater data centre is being installed

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Technology

Cheap salty solution cools computers and boosts performance by a third

Water containing a cheap lithium bromide salt can deliver longer-lasting cooling for computers while improving their performance

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Technology

Fastest ever semiconductor could massively speed up computer chips

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Technology

Tricks for making AI chatbots break rules are freely available online

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Mathematics

Should all mathematical proofs be checked by a computer?

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Technology

Memcomputer chips could solve tasks that defeat conventional computers

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