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Abstract: A generalized formulation of quarter-wave symmetrical selective harmonic elimination (SHE) problems according to the rising and falling edges of the pulsewidth modulation (PWM) waveforms for ...

WASHINGTON (AP) — Empathy is usually regarded as a virtue, a key to human decency and kindness. And yet, with increasing momentum, voices on the Christian right are preaching that it has become a vice ...

1 Department of Health Care Center, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China 2 Department of Pediatrics, People’s Hospital of ...

The White House recently nixed the Pentagon’s pick to head the country’s top spy agency and command its elite hacking force, according to three people familiar with the move. The decision not to move ...

Electrical angle alignment of brushless dc (BLDC) motors is the process of determining how to apply electric current to the motor. In essence, it is determining where the magnets are with respect to ...

Everyone interested in analog electronics should find some value in this post. Of course, an effort has been made here to make the content understandable to relative newbies. Forget about complex ...

Swifties aren’t happy with Matty Healy after the 1975 frontman seemingly teased them on X, formerly called Twitter. On Nov. 23, Healy tweeted about sending his Uber driver the song “The Downtown ...

Altria has a long history of raising dividend payments during the past 50 years. The company is exploring new areas of growth outside of traditional tobacco products. The combination of a consistent ...

We don’t know why God permitted the Fall, but we know all too well the evil and sin that still plague us. Legend has it that G. K. Chesterton, asked by a newspaper reporter what was wrong with the ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? With its circular grinding wheels that chew through materials like metal, tile, and ...