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Technology

All hail the flying taxi

Some of the world’s biggest companies are scrabbling to develop flying cars.
Tom Vanderbilt asks whether they are likely to take off

How to email a cat

Pneumatic tubes were once a vital part of communications networks in London, New York and Paris, says Tom Standage

Shock it to me

Can you become a better person by electrocuting yourself? Jonathan Beckman steels himself for a bolt from the blue

Breathe easy

As cities choke on polluted air, purification technology is developing rapidly. Natasha Loder takes in a lungful

Put a lid on it

The world has gone crazy for the Instant Pot. Jonathan Beckman steps into the kitchen and feels the pressure

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