The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test ...
From the pyramids in Egypt, through the Mayan cities in South America, and up to ancient sites in Israel, archaeologists are struggling to find underground cavities,” said Professor Oded Lipschitz.
In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own ...
Discover the top 10 scientific units named after their inventors, including Newton, Pascal, Watt, Joule, and Volt. Explore ...
Abstract: In this paper micro phasor measurement unit (μPMU) placement for maximum observability in smart distribution network is proposed. PMUs were only considered for transmission system monitoring ...
Abstract: An inertial navigation system is commonly used in various marine platforms above and below the sea surface to calculate the position, velocity and orientation of its carrier platform. Such ...
IEEE Spectrum on MSN

How to Measure Nothing Better

Cold atoms could also potentially measure much lower vacuum pressures than ion gauges can. The current lowest pressure they’ve reliably measured is around 10 -9 Pa, and NIST scientists are working on ...
Oxygen, the colorless and odorless gas that is essential to the survival of humans and other living organisms, is estimated ...