Internet

Tech Q&A: How being online renews Office 365 PC apps

Q: In your column about Microsoft Office 365, you said the user "must go online at least once every 30 days or your PC-based software will stop working." What do you mean by go online? Just connect to the internet? Use the ...

Energy & Green Tech

Smart water heating could help in South Africa's energy crisis

South Africa's energy crisis has many dimensions, from political and economic to technical and environmental. Recently, the country's power utility, Eskom, has been generating only about 60% of its capacity and has had to ...

Energy & Green Tech

How wireless recharging works – and doesn't, yet

Though the days of hardwired wall-mounted phones are ending and wireless internet connections are common at home and on the go, people are still dependent on cords to charge their mobile devices. My research, and that of ...

Hi Tech & Innovation

Saving lives by letting cars talk to each other

The death of a person earlier this year while driving with Autopilot in a Tesla sedan, along with news of more crashes involving Teslas operating in Autopilot, has triggered a torrent of concerns about the safety of self-driving ...