(Bloomberg) — A federal judge challenged a lawyer for Citadel Securities LLC about its efforts to thwart a new kind of market order from IEX Group Inc., the stock exchange operator made famous by ...

No audio available for this content. Image: GPS.gov Clocks are at the heart of GPS. Advances in space-qualified atomic clocks that kept time to within 10 nanoseconds over a day were a key development ...

The IT industry has gotten good at developing computer systems that can easily work at the nanosecond and millisecond scales. Chip makers have developed multiple techniques that have helped drive the ...

Everything you see around and is there in outer space originated from superhot quark-gluon plasma. Moments after the Big Bang, the universe was unimaginably hot, dense, and filled with freely moving ...

Ars Technica’s Chris Lee has spent a good portion of his adult life playing with lasers, so he’s a big fan of photon-based quantum computing. Even as various forms of physical hardware like ...

What does “immediate” mean to you? Does a fraction of a second count? Usually such a precise definition isn’t critical, but in the world of high-speed trading, microseconds—or millionths of a ...

Thanks to a new numerical simulation model validated by innovative experimental techniques, a team of scientists has been able to study the initial phase of coalescence, that is, the fusion, of a ...

The U.S. government calculates the country's official time using more than a dozen atomic clocks at a federal facility northwest of Denver. But when a destructive windstorm knocked out power to the ...

Computer systems, hardware and networking technologies have improved so much that two of the world’s largest trading exchanges say they have begun measuring transaction times in microseconds. What is ...