Atomic clocks, combined with precise astronomical measurements, have revealed that the length of a day is suddenly getting longer, and scientists don't know why.
Planetary Sciences
Aug 5, 2022
12
1699
Physicists at JILA have demonstrated a novel "superradiant" laser design, which has the potential to be 100 to 1,000 times more stable than the best conventional visible lasers. This type of laser could boost the performance ...
Optics & Photonics
Apr 4, 2012
7
0
(Phys.org) —The National Institute of Standards and Technology (NIST) is changing the way it broadcasts time signals that synchronize radio-controlled "atomic" clocks and watches to official U.S. time in ways that will ...
Engineering
Mar 6, 2013
0
0
Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new type of sensor that uses atoms to receive commonly used communications signals. This atom-based receiver has the potential to ...
General Physics
Sep 5, 2019
0
1139
The Sonoro Elements W Wi-Fi Internet radio ($499.99, sonoro-audio.com) is a smallish, glossy black or white clock radio with some standout features.
Consumer & Gadgets
Aug 7, 2009
3
0
Using radio telescopes observing distant stars, scientists have connected optical atomic clocks on different continents. The results were published in the scientific journal Nature Physics by an international collaboration ...
Astronomy
Oct 8, 2020
1
221
(Phys.org) —A trio of German space scientists has worked out a way to use pulsars as navigation aids for space vehicles traveling in the solar system. As they describe in their paper uploaded to the preprint server arXiv, ...
BlackBerry has a solution for those wanting to go cell phone hands-free without a headset.
Consumer & Gadgets
Jan 11, 2010
0
0
It's the end of the year so it's time for my unofficial "Gadget of the Year."
Consumer & Gadgets
Dec 10, 2010
3
0
(Phys.org)—A new positioning system can take on where GPS leaves off. An Australia-based company, Locata, is featuring a ground-based system using stronger signals than GPS for pinpointing a person's location indoors or ...
