Einstein's Equivalence Principle Put to Test, Discovery News | 5/6/16 An orbital experiment is about to test to see if objects really fall at same speed in a gravitational field — or wither some exotic physics may be detected.
Triple star system can reveal secrets of gravity: A newly discovered triple star system that consists of a pulsar and two white dwarf stars who's orbits around the pulsar are smaller than the orbit of Earth around the Sun will help scientists study precise measurements of gravity and could resolve difficulties with Einstein's theories.
During ten seconds of weightlessness Brynle Barrett from the Laboratory of Photonics, Numerical Sciences and Nanosciences at the University of Bordeaux monitors an experiment to test the ‘weak equivalence principle’ – or why a feather in a vacuum falls as fast as a hammer.
A teoria das cordas postula que toda a matéria e energia do universo é composta de cordas unidimensionais. Essas sequências são um quintilhão de vezes menor do que o átomo de hidrogênio já infinitesimal e, portanto, muito pequenas para se detectar indiretamente. Da mesma forma, encontrar sinais dessas cordas em um acelerador de partículas exigiria milhões de vezes mais energia do que a que foi necessária para identificar o famoso bóson de Higgs.
Astronomers have discovered the first pulsar (PSR J0337+1715) with two stars circling it. By watching the three objects orbit one another, observers will soon be able to perform the best-ever test of the "strong equivalence principle", which is a key prediction of Albert Einstein's general theory of relativity. #astrophysics
Equivalence Principle: In this video Paul Andersen explains how inertial mass and gravitational mass are equivalent. He shows you too simple methods for calculated individual inertial mass and gravitational mass. Albert Einstein used this principle to build his general theory of relativity.