In this paper, an ultra-low THD auxiliary commutated resonant pole (ACRP)-based DC-AC converter is proposed to overcome these challenges. First, operation principle is analyzed, demonstrating its ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. I haven’t been excited about a new iPhone design in years. The same goes for other ...

Designed by engineers Richard Corsi and Jim Rosenthal during the COVID-19 pandemic, the Corsi-Rosenthal box can be built for about a quarter of the cost of some commercial air purifiers ...

The max winding temperature is successfully reduced by 5.69 °C compared with the adoption of an optimized auxiliary tooth since the stator outer surface is air-cooled. The thermal benefits of ...

He is in charge of developing and carrying out testing procedures for a wide variety of home appliances and smart devices including robot vacuums, smoke/CO detectors and air conditioning units.

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The device’s polymer films expand and contract like an accordion to pump heat away from a source, cooling it by about 16 degrees Fahrenheit. Disclaimer: AAAS and EurekAlert! are not responsible ...

Data for 2024 was not available. In 2024, 447 devices including computers, laptops, phones, and USBs were lost by the MoD - up more than 50% on the previous year's 297, data obtained by the Lib ...