“As we prepare to celebrate two and a half centuries of freedom, I am inviting America’s great religious communities to pray for our nation and for our people. From the beginning, this has always been ...

New guidelines for managing cholesterol call for more aggressive prevention and earlier treatment, including a recommendation that all adults be tested once for lipoprotein(a), a genetic risk marker ...

Abstract: Class-D audio amplifiers with a digital feedback path are advantageous when from a digital audio input. The input DAC, which needs to support the full audio resolution, is avoided. A digital ...

White House Press Secretary Karoline Leavitt did not rule out a military draft for the war in Iran. President Trump has not publicly commented on a draft but said he would only send ground troops for ...

Abstract: The four-level nested neutral-point-clamped (4L-NNPC) inverter is a competitive topology among the various medium-voltage multilevel converters, and its main issue is flying-capacitor ...