The observable universe is a ball-shaped region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because ...

AIxiv专栏是机器之心发布学术、技术内容的栏目。过去数年，机器之心AIxiv专栏接收报道了2000多篇内容，覆盖全球各大高校与企业的顶级实验室，有效促进了学术交流与传播。如果您有优秀的工作想要分享，欢迎投稿或者联系报道。投稿邮箱：liyazhou@ ...

Vidal is concerned with stellar engine technosignatures. Research has focused on hypervelocity stars as potential stellar ...

The system is rigged: Students from families in the top 1 percent of earners were 77 times more likely to attend an Ivy ...

Drug overdose deaths involving benzodiazepines steadily increased from 1,135 in 1999 to 11,537 in 2017 followed by a decline ...

The age of Homo technicus could generate profound intellectual advances and solutions to our gravest problems. But first we ...

The developer said the J-35A was like a basketball point guard. The US often refers to the F-35 in sports terminology, ...

Clotilde Napp sought to explore why these stereotypes endure and even strengthen in societies with greater gender parity in ...

The first example of China’s mysterious CH-7 stealthy flying-wing drone seems to have been revealed, although with a somewhat ...

HILL AIR FORCE BASE, Utah – How do you make a 51-foot-long, 35-foot-wide fighter jet, with an engine that generates 43,000 pounds of thrust, vanish? You don't. There's no black magic that exists ...

Stealth technology has reshaped modern air combat, but helicopters remain largely outside this trend due to challenges like ...

The Federal Reserve cut interest rates by a quarter-point on Thursday, even as mortgage rates have been rising since ...