The summer solstice, the longest day of the year in the Northern Hemisphere, falls on June 20 this year in North America.

Variable-frequency digital CMC offers inherent current-loop stability and real-time tuning scope for higher closed-loop BW. However, the challenges are to select the sampling frequency and sampling ...

A classic Great Plains severe weather outbreak — complete with large to giant hail and tornadoes — is likely on Thursday, kicking off a dayslong bout of severe weather that could stretch all the ...