Authors: George Rajna
Instead, a kilogram will be defined by choosing an exact value of Planck's constant, a quantity that relates weight to electrical current.  A team of researchers affiliated with several institutions in China and one in Russia has devised two new ways to measure the gravitational constant.  The historic first detection of gravitational waves from colliding black holes far outside our galaxy opened a new window to understanding the universe.  Using data from the first-ever gravitational waves detected last year, along with a theoretical analysis, physicists have shown that gravitational waves may oscillate between two different forms called "g" and "f"-type gravitational waves.  Astronomy experiments could soon test an idea developed by Albert Einstein almost exactly a century ago, scientists say.  It’s estimated that 27% of all the matter in the universe is invisible, while everything from PB&J sandwiches to quasars accounts for just 4.9%. But a new theory of gravity proposed by theoretical physicist Erik Verlinde of the University of Amsterdam found out a way to dispense with the pesky stuff. 
Comments: 23 Pages.
[v1] 2018-12-17 05:51:21
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