Known as ‘white gold’, lithium is among the most important mined elements on the planet – ideal for the rechargeable batteries used in tech products. Can Europe’s largest deposit bring prosperity to the local community?
Waymo’s cars were first rolled out in San Francisco, but the English capital’s old roads, pelican crossings and jaywalkers may pose issues for AI, says science and technology professor Jack Stilgoe
A wave of affordable Chinese-made EVs is accelerating the shift away from petrol cars, challenging long‑held assumptions about how transport decarbonisation unfolds
The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts
Other firms are taking advantage of Tesla’s sales slump, while technological advances mean that glitches are being left in the rear-view mirror, says Guardian columnist Zoe Williams