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DE sign:
(Deconstructing in-order to find new meanings)

A blogging space about my personal interests; was made during training in Stockholm #Young Leaders Visitors Program #Ylvp08 it developed into a social bookmarking blog.

I studied #Architecture; interested in #Design #Art #Education #Urban Design #Digital-media #social-media #Inhabited-Environments #Contemporary-Cultures #experimentation #networking #sustainability & more =)


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Showing posts with label Physics. Show all posts
Showing posts with label Physics. Show all posts

Friday, January 6

GW top breakthrough of 2016

Discovery of gravitational waves named top breakthrough of 2016

Jan 4, 2017


Turns out Einstein was right. Again =)
Scientists validated another of Einstein’s hypotheses when they confirmed in 2016 the existence of gravitational waves, which Einstein first predicted more than 100 years ago as part of his general theory of relativity.
Why is that important? As astrophysicist Jeffrey Bennett explained, Einstein’s general theory of relativity changed the way we understand the nature of space, time and gravity. Detecting gravitational waves reaffirms Einstein’s incredible achievement and will let scientists “probe some of the most exotic objects in the universe, including black holes,” Bennett wrote.
Science magazine named the discovery its top breakthrough of 2016, saying it “shook the scientific world.”
The best way to understand how it works is to watch the video below. It shows how two objects spinning around each other create waves. As the objects get closer to each other, the waves get bigger. (There is no sound with this video.)
Published on Jun 15, 2016
This artist's animation shows the merger of two black holes and the gravitational waves that ripple outward during the event. The black holes—which represent those detected by LIGO on Dec. 26, 2015—were 14 and 8 times the mass of the sun, until they merged, forming a single black hole 21 times the sun's mass. One solar mass was converted to gravitational waves. In reality, the area near the black holes would appear highly warped, and the gravitational waves would be difficult to see directly.

Physicists at the Laser Interferometer Gravitational-Wave Observatory (LIGO), made up of two installations in Louisiana and Washington, confirmed that they had seen the waves caused by two black holes crashing into each other.
Since gravitational waves move through the universe in a way similar to the way audio waves move through the air, LIGO created a simulation of what the gravitational waves might sound like if they were audio waves. Listen to what it sounds like.

https://www.nsf.gov/news/news_videos.jsp?cntn_id=138904&media_id=80800&org=NSF