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In a recent article published in the journal PhotoniX, researchers from Nanjing University developed a new type of transparent and unidirectional solar concentrator. Image credit: Pablo ...

Abstract: Many commercial controller implementations for dc-dc converters are based on pulse-width modulation (PWM) and small-signal analysis. Increasing switching frequencies, linked in part to wide ...

Public anger is growing nationwide over the rising cost of electricity. In West Virginia, where more than 80% of the electricity comes from coal-fired power plants, customers have faced steady ...

Power utility Eskom says it has widely contained the serious breach of its Online Vending System (OVS), which enabled billions of rands of fraudulent prepaid vouchers to be dispensed in the country.

An illustration of a magnifying glass. An illustration of a magnifying glass.