DISCOVERY OF GRAVITATIONAL WAVES

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[{"type":"txt","id":"rich_1455286256238","data":"There\u2018s been a lot of buzz on the recent discovery of gravitational waves.This was the theory given by Einstein a century ago. It was essential for space enthusiasts and scientists to know whether they really did exist or not? \n This theory did not have any pieces of evidence that this really existed. LEGO(Laser Interferometer Gravitational-Wave Observatory) conducted a series of experiments on this subject and they did succeed finally. The experiment was conducted with the help of laser beam sent through the pipe and reflected back with mirrors. This formed a perfect wave beams cancelling out each other and there was no light detected.The same experiment conducted with the pipes contracting and expanding into different pipes but there were no perfectly aligned beams and did not cancel out each other but did form light. This finding completed the scientific arc of prediction, discovery and confirmation.\n "},{"type":"img","id":"img-uid-1455286373527","data":"56bde8438e266"},{"type":"txt","id":"rich_1455286392334","data":"What are Gravitational waves?\n Gravitational waves are disturbances in the fabric of space-time. If you drag your hand through a still pool of water, you'll notice that waves follow in its path, and spread outward through the pool. According to Albert Einstein, the same thing happens when heavy objects move through space-time.\n But how can space ripple? According to Einstein's general theory of relativity, space-time isn't a void, but rather a four-dimensional \"fabric,\" which can be pushed or pulled as objects move through it. These distortions are the real cause of gravitational attraction. One famous way of visualizing this is to take a taut rubber sheet and place a heavy object on it. That object will cause the sheet to sag around it. If you place a smaller object near the first one, it will fall toward the larger object.\n "},{"type":"txt","id":"rich_1455286490642","data":" The importance of Gravitational waves?\n \n Gravitational waves give us another way to observe space. For example, waves from the Big Bang would tell us a little more about how the universe formed. Waves also form when black holes collide, supernovae explode, and massive neutron stars wobble. So detecting these waves would give us a new insight into the cosmic events that produced them.\n Finally, gravitational waves could also help physicists understand the fundamental laws of the universe. They are, in fact, a crucial part of Einstein's general theory of relativity. Finding them would prove that theory\u2014and could also help us figure out where it goes astray. Which could lead to a more accurate, more all-encompassing model, and perhaps point the way toward a theory of everything?\n \n [Source:thegaurdian.com] \n \n "}]

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