Sorry, you need to enable JavaScript to visit this website.

Technology

The Gofer in the Machine

Successful virtual assistants need to know how their users feel. Mark Harris speaks to the programmers making them emotionally, as well as artificially, intelligent

Rocket Men

The rivalry between two billionaires is reducing the cost of space travel. Tom Standage climbs into the cockpit

Dream machines

Excessive screen time has been blamed for stopping us sleeping. Jonathan Beckman tries out some technological fixes in his quest for the full eight hours