Optical cavities are pairs of light-trapping mirrors and underpin the operation of lasers, atomic clocks and many types of precision sensors. If the distance between the mirrors is changed rapidly enough, some theories predict that the waves inside them should bunch together into short, intense pulses. So far, however, this prediction has never been tested directly.
Vibrating mirrors of light create analog of a black hole event horizon
-
Eighty-eight years after pioneering British archaeologist Starkey was shot dead while traveling from the ancient city of Lachish to Jerusalem, researchers say they have uncovered compelling new evidence explaining who was behind his murder—and why [...]
-
It’s no secret that American politics is dominated by older politicians. When 81-year-old Joe Biden withdrew from the 2024 presidential race amid concerns about his age, it was the then-78-year-old Donald Trump who ultimately entered [...]
-
The kids are not all right on the future. For the first time in the 26-year history of the Harvard Youth Poll, more respondents expect to be worse off financially than their parents (27%) than [...]
-
WA Police are using live facial recognition technology to help identify and arrest criminals, with significant results. The trial is the first of its kind in Australia.This post was originally published on this site
-
In the 2025 federal election, Canadians voted at the highest rate since 1993. Explanations for high or low turnout usually focus on the national election campaign, including how close the race was and what seemed [...]
-
Wishing really hard for something won’t necessarily make it come true, but a new study from a UConn researcher indicates up to 90% of voters expect their side to win an election, a percentage that’s [...]
-
People are peppering artificial intelligence chatbots every day with questions, but when it comes to politics and the looming 2026 U.S. midterm elections, what role are AI platforms playing? Could an AI chatbot sway a [...]
-
“How could our society have let this happen?”This post was originally published on this site
-
China’s leading universities face two overlapping pressures: competing globally while remaining aligned with national strategic priorities. A study of 132 university president–party secretary pairs, conducted by a Hiroshima University researcher, found that 53% had different [...]
-
As political campaigns increasingly use artificial intelligence to communicate with voters, questions arise about how the technology influences perceptions of election fairness and trust.This post was originally published on this site
