资讯

Today is set to be one of shortest days in the Earth’s recorded history – meaning that it will be just under 24 hours.
On this week’s “More To The Story,” Daniel Holz from the Bulletin of the Atomic Scientists discusses why the hands of the ...
Knowable Magazine reports on attosecond science, revealing how scientists study atomic interactions at unbelievable speeds to ...
An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and ...
Learn how laser tech, 3D printing & bio-materials are reshaping off-Earth construction for lunar & Martian habitats.
The Western artifacts section connects shoppers to Texas’s frontier past in tangible ways. Genuine cowboy gear – from worn leather chaps to spurs that once jangled across wooden boardwalks – offers ...
Even a broken clock is right twice a day, or so they say. How to understand that aphorism when applied to a presidency mired ...
This paper presents a method to enhance the stability of atomic clock ensemble time scale by using weighted moving average filter. Compared with Kalman filter, the weighted moving average filter has ...
“The optical clock community is strongly motivated to obtain the best possible set of measurements before the SI second is ...
After going public with her heartbreak over being recast in 'Furiosa,' the star says the film is "absolutely beautiful" ...
Bonjour is building an agentic platform that turns tasks into instant transactions—fulfilled by humans today, and AI tomorrow ...
That’s the universal first reaction to Jeffrey’s Antique Gallery in Findlay, Ohio – a behemoth 38,000-square-foot treasure trove where time stands still yet keeps excellent company. I discovered ...