Abstract: High-frequency buck converters need a fast transition of switching nodes (high dv/dt). Such high dv/dt, especially the positive one, can cause malfunction of a conventional pulse-triggered ...

(L-R): Director Ryan Coogler and Chadwick Boseman on the set of 2018's 'Black Panther' Matt Kennedy / Marvel Studios / Everett Collection Ryan Coogler detailed the original vision for Black Panther 2 ...

Ryan Coogler detailed the original vision for Black Panther 2 ahead of star Chadwick Boseman’s death from colon cancer at the age of 43 in August 2020. “I finished it, and I hit him up to read it, and ...

It is as much an institution of the festive season as debates over Christmas tree décor and puzzling over the best way to use leftovers. The days that lead into a New Year often prompt a period of ...

Homeland security secretary Kristi Noem pauses high-profile visa program, saying shooting suspect Claudio Neves Valente gained green card in 2017 The homeland security secretary, Kristi Noem, has ...

Days after the deadly shooting at Brown University that left two dead and nine injured, the Trump administration late on Thursday (local time) announced the suspension of the DV1 green card lottery ...

US President Donald Trump on Friday suspended the green card lottery programme that allows nationals of countries with historically low immigration rates to the United States to apply for permanent ...

Dec 18 (Reuters) - U.S. Department of Homeland Security Secretary Kristi Noem said late on Thursday that she has instructed U.S. Citizenship and Immigration Services (USCIS) to pause the DV1 program.

The US on Thursday announced the immediate suspension of the diversity lottery immigrant visa program, claiming that the suspected gunman linked to three killings at the northeastern Brown University ...

Homeland Security chief Kristi Noem said the Brown University suspected shooter came into the country using the now paused DV1 program. The program offers visas to applicants from less-represented ...