According to Albert Einstein's theory of relativity, all bodies in a vacuum regardless of their properties are accelerated by the Earth's gravity at the same rate. This principle of equivalence applies to stones, feathers ...
General Physics
Jan 26, 2016
2
12493
Paving the way for transforming the world's measurement system, an international task force has determined updated values for four fundamental constants of nature. The updated values comprise the last scientific piece of ...
General Physics
Oct 23, 2017
2
452
Engineers and technicians working on the James Webb Space Telescope successfully completed the first important optical measurement of Webb's fully assembled primary mirror, called a Center of Curvature test.
Space Exploration
Nov 2, 2016
4
2363
The term "superspreader event" has become well known since the emergence of the COVID-19 pandemic, although such events are not without precedence throughout history. Such an event involves a large gathering of people wherein ...
Mathematics
Apr 19, 2022
0
8
Showcasing precise control at the quantum level, physicists at the National Institute of Standards and Technology (NIST) have developed a method for making an ion (electrically charged atom) display exact quantities of quantum-level ...
Quantum Physics
Jul 22, 2019
0
412
(Phys.org)—Physicists have proposed a new type of Maxwell's demon—the hypothetical agent that extracts work from a system by decreasing the system's entropy—in which the demon can extract work just by making a measurement, ...
New findings suggest the rate at which CO2 is accumulating in the atmosphere has plateaued in recent years because Earth's vegetation is grabbing more carbon from the air than in previous decades.
Environment
Nov 8, 2016
24
1626
A team of international scientists, led by the Galician Institute of High Energy Physics (IGFAE) and the ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav), has proposed a simple and novel method to bring ...
Astronomy
May 4, 2021
116
6416
Physicists are putting themselves out of a job, using artificial intelligence to run a complex experiment.
General Physics
May 16, 2016
5
259
Radiocarbon dating, invented in the late 1940s and improved ever since to provide more precise measurements, is the standard method for determining the dates of artifacts in archaeology and other disciplines.
Archaeology
Mar 18, 2020
1
1809
