Explainer: What is mass?
When it comes to electrons, Higgs bosons or photons, they don't have much going for them. They possess spin, charge, mass and … that's about it.
When it comes to electrons, Higgs bosons or photons, they don't have much going for them. They possess spin, charge, mass and … that's about it.
General Physics
Nov 12, 2015
29
72
A University of Michigan doctoral student has logged two pieces of evidence that may support the existence of a planet that could be part of our solar system, beyond Neptune.
Astronomy
Oct 17, 2017
12
490
An international team of researchers has put a theory speculated by the late Stephen Hawking to its most rigorous test to date, and their results based on the observations using the Subaru Telescope have ruled out the possibility ...
Astronomy
Apr 2, 2019
9
623
The gravitational constant G determines the strength of gravity—the force that makes apples fall to the ground or pulls the Earth in its orbit around the sun. It is part of Isaac Newton's law of universal gravitation, which ...
General Physics
Jul 11, 2022
10
1009
The "exceptionally simple theory of everything," proposed by a surfing physicist in 2007, does not hold water, says Emory University mathematician Skip Garibaldi.
General Physics
Mar 26, 2010
19
0
An international team of researchers has used sophisticated models to calculate the mass of the Milky Way. They have written a paper describing their efforts and results, and have posted it on the arXiv preprint server.
A team of researchers from Nanjing University, working with two colleagues from the University of Science and Technology of China, has conducted new tests of the chameleon theory and report a failure to find any evidence ...
Until recently, astronomers were highly skeptical of whether or not planets should be possible in multiple star systems. It was expected that the constantly varying gravitational force would eventually tug the planet out ...
Astronomy
Jul 14, 2011
4
0
When it comes to a marriage with quantum theory, gravity is the lone holdout among the four fundamental forces in nature. The three others—the electromagnetic force, the weak force, which is responsible for radioactive ...
Quantum Physics
Sep 7, 2021
2
700
As part of a new NASA Quantum Pathways Institute consisting of a multi-university research team, UC Santa Barbara professor of electrical and computer engineering Daniel Blumenthal will help to build technology and tools ...
Quantum Physics
Mar 16, 2023
0
96