Dr. Ryan Stone
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5 days ago · Now an experiment with a perfect weight is to settle the matter. To a physicist, the world is made up of just four forces of nature - but one of them refuses to behave like the others: gravity. It is the force that keeps our feet firmly planted on the ground and the planets in their orbits around the Sun. Although gravity was the first force of ...
1 day ago · A new proposal lays out a way to dispute or affirm this by observing whether a quantum object’s state is affected when its gravity is measured. Physicists have repeatedly shown that tiny objects ...
4 days ago · Gravity or gravitation is a natural phenomenon by which all things with energy are brought toward (or gravitate toward) one another, including stars, planets, galaxies, and even light and sub-atomic particles.
16 hours ago · New evidence, based on how the moon responds to the gravitational pull of Earth and the sun, has lent support to the hypothesis that the moon does in fact possess such a molten layer hidden deep ...
16 hours ago · Gravitational waves are transient displacements in a gravitational field – generated by the acceleration of gravitating masses – that radiate outward from their source at the speed of light. [ 1 ] They were first proposed by Oliver Heaviside in 1893 and then later by Henri Poincaré in 1905 as the gravitational equivalent of electromagnetic ...
5 days ago · gravitational wave, the transmission of variations in the gravitational field as waves. According to general relativity , the curvature of space-time is determined by the distribution of masses, while the motion of masses is determined by the curvature.
3 days ago · In a work by Visser, Bassett and Liberati (VBL) (Nucl Phys B Proc Suppl 88:267, 2000) a relation was suggested between a null energy condition and the censorship of superluminal behaviour. Their result was soon challenged by Gao and Wald (Class Quantum Grav 17:4999, 2000) who argued that this relation is gauge dependent and therefore not appropriate to find such connections. In this paper, we ...
