Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks

by quasarn01 | Jun 3, 2026 | Latest in Physics

Ultrafast lasers emit pulses lasting only a few hundred femtoseconds (quadrillionths of a second). These flashes of light power applications from precision micromachining to eye surgery to optical frequency combs, the Nobel Prize-winning technology behind...

Solar sails edge closer to reality, but interstellar travel is another story

by quasarn01 | Jun 3, 2026 | Astronomy

From planetary rovers and asteroid sample return missions to the recent Artemis II flight above the far side of the moon, we are seemingly good at doing space. But our achievements still do not match many of our space dreams, science fiction or otherwise. Go to...

Calif. police continue negotiations with man holding hostages under bomb threat

by quasarn01 | Jun 3, 2026 | Police Lives Matter

After more than 20 hours of negotiations and the release of two hostages, the barricaded man and several other hostages remain inside the building as of 9:30 a.m. on May 3 Go to Source

Ex-N.Y. trooper sentenced up to 7.5 years in prison in pursuit crash death of 11-year-old

by quasarn01 | Jun 3, 2026 | Police Lives Matter

Monica Goods’s father fled a traffic stop after refusing to hand over his license to then-trooper Christopher Baldner; Baldner rammed the vehicle, leading to a crash that killed Monica Go to Source

Distant blazar OP 313 emits very high-energy gamma rays above 100 GeV

by quasarn01 | Jun 3, 2026 | Astronomy

An international team of astronomers have employed one of the Large-Sized Telescopes (LSTs) at the Cherenkov Telescope Array Observatory (CTAO) to observe a distant blazar known as OP 313. Results of the observational campaign, published May 26 on the arXiv preprint...