Heatwave is forcing some UK firms to turn off high-power computers
19 July 2022
Companies are taking steps to prevent heat damage to high-power computers, with some shutting down machines used for performing software updates or graphic rendering
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Molecular computer uses 10,000 times less energy than a normal one
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A chip-sized biocomputer uses molecules moving through a network of channels to solve problems. It uses much less energy per calculation than a traditional computer
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A supercomputer called Frontier has been officially crowned as the world's first exascale computer – one capable of a billion billion operations per second – but more powerful machines may be out there
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Blue-green algae, a type of cyanobacteria, set in a container on a windowsill powered a computer continuously for six months using photosynthesis
Harmful chips hidden on circuit boards revealed by their power use
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Careful observation of the power consumption of a circuit board can reveal telltale signs that an attacker has tampered with it and installed a malicious device designed to steal sensitive information or cause crashes, say researchers
AI makes it possible to simulate 25 billion water molecules at once
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Computer simulations of clouds of atoms and molecules must always trade scale for accuracy, but a new technique shows that both are possible at once using AI and clever coding
UK’s most powerful supercomputer has booted up and is doing science
12 January 2022
ARCHER2, a £79 million machine funded by the UK government, is still in a testing period, but already working on real science such as modelling volcanic plumes
Fire at vital tech factory could worsen global computer chip shortage
4 January 2022
ASML Holding, which supplies a vital technology used in computer chips, has reported a fire at a manufacturing plant, but the extent of the damage isn't yet known
Smart scheduling for big computing tasks cuts emissions up to a third
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We could slash emissions from database backups or long machine-learning tasks by waiting to run them until renewable energy makes up the largest part of the energy mix
