Einstein's theory of relativity envisions time as a spatial dimension, like height, width, and depth. But unlike those other dimensions, time seems to permit motion in only one direction: forward.
The original version of this story appeared in Quanta Magazine. One July afternoon in 2024, Ryan Williams set out to prove himself wrong. Two months had passed since he’d hit upon a startling ...
Facebook co-founder and CEO Mark Zuckerberg testifies before the House Financial Services Committee in Washington, D.C. on October 23, 2019 Facebook co-founder and CEO Mark Zuckerberg testifies before ...
Adaptive systems were supposed to simplify decision-making. Instead of hard-coded rules, engineers built models that could learn from data, respond to change, and improve over time. That promise still ...
Seeking to reduce the computing power needed for the widely used dynamic mode decomposition algorithm, a team of researchers in China led by Guo-Ping Guo developed a quantum-classical hybrid algorithm ...
Facebook and YouTube designed algorithms to suppress ISIS content. They're having unexpected side effects. Facebook and YouTube designed algorithms to suppress ISIS content. They're having unexpected ...
Across the United States and Europe, software is making probation decisions and predicting whether teens will commit crime. Opponents want more human oversight. Darnell Gates, on probation in ...
Blood-based biomarkers are of particular interest as cancer screening tests as a result of their convenience, low cost, and quantitative measure. The incorporation of biomarkers into a screening ...
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