How the humble lamp-post could help power our citiesHow the humble lamp-post could help power our cities
Image caption Street lamps that store energy could reduce urban lighting costs

As more than two-thirds of us will be living in cities by 2050, scientists and tech firms are looking at new ways to harness renewable energy within the built environment. But at what cost

One day, your office windows will be

Write comment (90 Comments)
Twitter: Fake Elon Musk scam spreads after accounts hackedTwitter: Fake Elon Musk scam spreads after accounts hacked

Media captionWho is Elon Musk

Several popular verified Twitter accounts have been hacked by scammers to promote an ad using Tesla boss Elon Musk's name and likeness.

British fashion retailer Matalan, film distributor Pathe UK and US publisher Pantheon Books were among those whose accounts were taken over

Write comment (91 Comments)
Pakistan's Imran Khan caught in 'begging' broadcast error in ChinaPakistan's Imran Khan caught in 'begging' broadcast error in China
Image copyrightEPAImage caption Mr Khan was on an official visit to China as Pakistan faces grave economic challenges

A Pakistani TV channel has apologised after broadcasting a speech by PM Imran Khan in China with a caption displaying the word "begging" instead of Beijing.

The typo appeared during a live address

Write comment (100 Comments)
Social network Gab back online after shootingSocial network Gab back online after shooting
Image copyrightGab

Social network Gab is back after a finding a new web host.

The network, which describes itself as championing free speech, went offline after it was revealed that the man accused of a gun attack on a synagogue in Pittsburgh was an active member.

Its previous host GoDaddy withdrew its support along with other tech firms.

Gab has been

Write comment (100 Comments)
Player anger over Rainbow Six Siege changesPlayer anger over Rainbow Six Siege changes
Image copyrightUbisoftImage caption In some scenes, images of gambling have been entirely removed

Rainbow Six Siege players have complained about proposed changes to the game before its wide release in Asia.

Ubisoft said it had altered artwork in some "maps and icons" to ensure the game complied with local

Write comment (100 Comments)
Softbank chief stands by Saudi ties after Khashoggi murderSoftbank chief stands by Saudi ties after Khashoggi murder
Image copyrightGetty Images

The head of Japanese tech group Softbank has condemned the murder of a journalist by Saudi security forces, but said his company must continue to work with Riyadh.

In his first public comments since Jamal Khashoggi was killed, Softbank chief Masayoshi Son said his firm had a "responsibility" to the Saudi people.

Saudi

Write comment (96 Comments)