Abstract: Carrier overlapping pulsewidth modulation (COPWM) is proposed to address the level degradation issue in carrier-based pulsewidth modulation (CBPWM) at low modulation index. Due to its unique ...
Space-based solar power has long been pitched as a way to deliver uninterrupted, weather-proof renewable energy. First proposed in 1968 by aerospace engineer Peter Glaser, the idea has cycled through ...
A new study says observations from the NASA Fermi space telescope suggest a halo of dark matter around the center of our galaxy, but more information is needed to confirm the result. When you purchase ...
The US Space Force has begun issuing prototype contracts for space-based missile interceptors, marking one of the first major steps toward the Pentagon’s proposed “Golden Dome” defense network, the ...
When humans dream of venturing farther into the cosmos, one massive logistical question looms: how do we keep everyone breathing and moving without constant supply runs from Earth? Aboard China’s ...
KIMBERLY M. NIEBAUER teaches gifted students in K–5 at Duval County (Fla.) Public Schools. As a Microsoft certified coach and one of EdTech’s 2024 K–12 IT Influencers, she frequently shares best ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback