The Universe's Lightkeeper

Stories of our universe, mostly physical universe, and life from a conservative revolutionist

Friday, December 16, 2016

First test of rival to Einstein’s gravity kills off dark matter ?

Galaxy cluster with lensing effects
Gravitational lensing is a famous prediction of Einstein’s gravity

https://www.newscientist.com/article/2116446-first-test-of-rival-to-einsteins-gravity-kills-off-dark-matter
Posted by Mu-In Park at 3:49 AM No comments:
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Sunday, December 11, 2016

LIGO black hole echoes hint at general-relativity breakdown ?



http://www.nature.com/news/ligo-black-hole-echoes-hint-at-general-relativity-breakdown-1.21135
Posted by Mu-In Park at 8:04 PM No comments:
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Tuesday, December 6, 2016

Has LIGO Already Discovered Evidence For Quantum Gravity?



The LIGO signal (blue line) for gravitational waves emitted by the first-ever detected merger may have quantum corrections (black), which could alter the total signal (yellow) that shows up in the detector. Image credit: Abedi, Dykaar and Afshordi, 2016, via https://arxiv.org/abs/1612.00266.

http://www.forbes.com/sites/startswithabang/2016/12/06/merging-black-holes-might-show-us-quantum-gravity/#6b4817f36a2f
Posted by Mu-In Park at 1:04 PM No comments:
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