Abstract: High-power converters and/or high-speed motor drives often operate at low-carrier ratios, particularly at higher fundamental frequencies (and consequential higher modulation indices), ...

Floquet control uses time-periodic drives to engineer quantum systems, creating dynamic changes in material properties ...

After winning his first Oscar, Tom Cruise kept repeating the same 2-word phrase. It’s a lesson in emotional intelligence Drone video captures flooded Puyallup River as Washington issues warning ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In 1993, Mike Lawson, an aerospace entrepreneur based in Roswell ...

General Chance Saltzman’s newly released Vector 2025 is the clearest articulation yet of the U.S. Space Force’s purpose, priorities, and philosophy. It captures the seriousness of today’s contested ...

Participants of U.S. Space Command’s Global Sentinel ‘25 Capstone event, including international allies like Canada, worked together to solve challenging space scenarios at Vandenberg Space Force Base ...

Participants of U.S. Space Command’s Global Sentinel '25 Capstone event work together to solve challenging space scenarios at Vandenberg Space Force Base, California, April 28 through May 10. Credit: ...

According to Skynopy, its modular network can double data downlink volume for high-demand missions, or cut costs in half for smaller ones. Credit: Skynopy TAMPA, Fla. — Skynopy, a French ground ...

The other is how to control the rocket, given that it's in a compact, highly radioactive package out in space where no technician, even if they're aboard the ship, can get to it. Add to this, a rocket ...

On July 8, 1962, the United States detonated a 1.4-megaton nuclear weapon 400 kilometers above the Pacific Ocean. The Starfish Prime test created an artificial aurora visible from Hawaii, nearly 900 ...

Power-density improvements are an increasingly elusive goal as designers exhaust the easiest or most obvious solutions. One direction that’s now being explored more thoroughly is advanced modulation ...

Abstract: Multiport dc–ac converter has gained attention due to its power density and low cost. However, in virtual space vector pulse width modulation (VSVPWM) where common-mode voltage (CMV) ...