Abstract: This paper proposes a novel stator-permanent-magnet axial-flux counter-rotating hybrid-excitation machine (SPM-AFCRHEM) for unbalanced-load operation of counter-rotating propeller (CRP) ...

When lightning strikes, it rarely does so quietly—and few combat aircraft live up to that metaphor as completely as the Lockheed P-38 Lightning. With its unmistakable twin-boom silhouette, ...

Bitcoin ETFs have been a key driver of the broader crypto downtrend, with more than $6.2 billion in outflows since November. The AI narrative is absorbing capital not only from Bitcoin but also from ...

While it is fun to get toys that look like your favorite science fiction props, it is less fun when the electronics in them don’t measure up to the physical design. [Steve Gibbs] took a Hasbro R2D2 ...