Defining security in quantum key distribution with Carla Ferradini, Martin Sandfuchs, and Renato Renner The security of quantum key distribution (QKD) is quantified by a parameter ε >0, which—under ...

Physicists from Heinrich Heine University Düsseldorf (HHU) have examined a fundamental property of quantum mechanics in collaboration with the German Aerospace Center (DLR). In an article published in ...

Everything around us, from atoms and molecules to planets and galaxies, is governed by two extraordinarily successful ...

One of the big stories coming out of Sunday's race at Michigan International Speedway didn't have to do with race-winner Denny Hamlin; it had to do with a massive crash involving Hamlin's Joe Gibbs ...

Christopher Bell sustained the hardest crash impact of the Next Gen era when his No. 20 Joe Gibbs Racing Toyota pounded the Turn 4 wall on Sunday at Michigan International Speedway. On the latest ...

The nominee, Stuart Bell, led the University of Alabama for a decade, where he embraced diversity initiatives but also Donald J. Trump. By Stephanie Saul and Alan Blinder The University of Florida’s ...

Chase Elliott and Christopher Bell crashed violently while racing for second during the final stage of Sunday’s NASCAR Cup Series race at Michigan International Speedway. On Lap 148, moments after a ...

Christopher Bell suffered a fractured left wrist in a violent crash at Michigan International Speedway on Sunday, but the driver has been cleared to race on June 14 at Pocono. Joe Gibbs Racing ...

Christopher Bell left Michigan International Speedway with a fractured wrist, but the injury was only part of the story. Days after the NASCAR Cup Series race, officials revealed Bell’s crash ...

WASHINGTON — Quantum Space, a company led by a former NASA administrator that is developing highly maneuverable spacecraft for national security missions, will go public by merging with a special ...

Every morning, the chief executive of Ford Motor F0.64%increase; up pointing triangle checks the same number: How big is the nationwide mechanic shortage at its dealerships? Lately it has hovered ...

Quantum-computing researchers generally are cautious about predicting a commercial breakthrough for this emerging technology. CEOs of quantum-related companies, on the other hand, are invariably ...