Engineering
A new ultra-low-power method of communication at first glance seems to violate the laws of physics. It is possible to wirelessly transmit information simply by opening and closing a switch that connects a resistor to an antenna. ...
Jan 24, 2023
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Energy & Green Tech
The world has enough rare earth minerals and other critical raw materials to switch from fossil fuels to renewable energy to produce electricity and limit global warming, according to a new study that counters concerns about ...
Jan 27, 2023
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Business
South Africans have been battered by power shortages for several years. These have worsened to the point that towards the end of 2022 the country's electricity utility, Eskom, had only half of its power generation capacity ...
Jan 23, 2023
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Energy & Green Tech
For six years, Pravinbhai Parmar's farm in Gujarat state in western India has been lined with rice, wheat and solar panels.
Jan 23, 2023
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