Is Richard Branson’s high-speed train in a pneumatic tube pie in the sky?

First airlines, then spaceships. Now the Virgin boss wants to build Hyperloop One – a high-speed, pneumatic maglev railway. But engineering experts doubt that it will ever leave the station

AI and music: will we be slaves to the algorithm?

Tech firms have developed AI that can learn how to write music. So will machines soon be composing symphonies, hit singles and bespoke soundtracks?

Google’s Mo Gawdat: ‘Happiness is like keeping fit. You have to work out’

When the tech guru’s son unexpectedly died, he turned to an equation they had devised together to get through the grief

Six of the best gadgets for cats: goodbye analogue mog, hello cyber hepcat

Forget clockwork mice. There’s a new range of gadgets for your cat to get its paws on, including ones to track it, feed it and even scoop up after it

Twelve things you need to know about driverless cars

By 2025 most of today’s drivers are unlikely to even want to own a car. But will we still have gridlock? Will you need to pass a test? We asked the experts

A carbon fibre bicycle made for one

British bike builder Filament promises custom-made comfort for riders of every shape and size

• Chapeau! Stylish cycling gear for the road