Technology
Cheap wonder metals will make a faster, cleaner world
If only aluminium, titanium and magnesium were cheaper, they would replace steel and help us cut fuel bills and emissions. That day may not be far off
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If only aluminium, titanium and magnesium were cheaper, they would replace steel and help us cut fuel bills and emissions. That day may not be far off
An algorithm schedules and manages the nightly engineering work on one of the world's best subway systems – and does it more efficiently than any human could