Security

Lockdown helps fuel rise in cybercrime

Take extra care before buying face masks or testing kits online, or responding to texts apparently sent to you by the UK government or the NHS. Because while lockdown has helped reduce the spread of the coronavirus, it is ...

Internet

Internet connectivity during the novel coronavirus pandemic

The novel coronavirus pandemic is requiring many people to work or study from home, which means that internet connectivity has become a paramount issue in the daily lives of millions of people around the world. John H. Chestnut ...

Internet

Q&A: Home network can cause video delays on Zoom

Q: During Zoom video calls, my screen image follows my actual movements very slowly. If I move my head or speak, there's sometimes a delay of two seconds or more before it happens on my screen. (This didn't happen during ...

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 ...

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