November 15, 2015
Mohenjo
Science
Albert Einstein, Albert Einstein's general theory of relativity, amazon, Bending Light, black holes, business, Business News, Dragging Space, general theory of relativity, GPS, gravity, Hotels, human-rights, Isaac Newton, medicine, mental-health, Mercury's Orbit, monster black holes, Physicists, research, Science, Science News, Shooting the Moon, Space-Time Ripples, Speed Of Light, technology, Technology News, travel, vacation, Warped space-time, wormholes.
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For 100 years, Albert Einstein’s general theory of relativity has survived just about every test that physicists have thrown at it. Announced in November 1915, the famous scientist’s field equations expanded on Isaac Newton’s long-standing laws by re-imagining gravity as a warping in the fabric of space and time, rather than a simple force between objects.
The results of using general relativity equations actually look similar to what you get using Newton’s math, as long as the masses involved aren’t too large and the velocities are relatively small compared to the speed of light. But the concept was a revolution for physics.
Warped space-time means that light itself is affected by gravity much more strongly than Newton predicted. It also means that planets move around their orbits in a slightly altered but very significant way, and it predicts the existence of exotic objects such as monster black holes and wormholes.
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These galaxies are smiling at you thanks to general relativity. (NASA/ESA)
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Click link below for seven ways:
http://www.smithsonianmag.com/science-nature/seven-simple-ways-we-know-einstein-was-right-180957157/
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May 9, 2013
Mohenjo
Science
Albert Einstein, amazon, Astrophysics, black holes, business, Calif, Carnegie Institution for Science, climate, Cosmology, Einstein, einstein general relativity, Future, gadgets, General Relativity, general relativity theory, general theory of relativity, gravitational waves, gravity, Gravity Waves, Hotels, huffingtonpost, Mansi M. Kasliwal, Pasadena, Physics, research, Science, Science News, Slideshow, Space, technology, Technology News, theory of relativity, travel, vacation, Video
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In the next five years or so, scientists are poised to discover proof that space and time can wrinkle in the form of gravitational waves. These waves were predicted almost 100 years ago by Albert Einstein’s general theory of relativity, but have yet to be seen.
That could change soon when the latest, most sensitive experiments hunting gravitational waves come online. “There’s so much activity and excitement in the field right now,” said Mansi M. Kasliwal, an astronomer at the Observatories of the Carnegie Institution for Science in Pasadena, Calif. “The momentum is really building.”
Kasliwal is the author of a paper published online today (May 2) in the journal Science describing the burgeoning field of gravitational wave studies.
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3D visualization of gravitational waves produced by two orbiting black holes.
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.Click link below for story, slideshow, and video:
http://www.huffingtonpost.com/2013/05/03/gravity-waves-found-einstein-general-relativity-theory_n_3203364.html?ref=topbar
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James' World 2 