It blows my mind, in a happy way, to know that Einstein was right and gravitational waves exist. Its taken the best part of a century for technology to catch up with his General Theory of Relativity and be able to prove him right.
My brain hurts just thinking about it.
http://www.iflscience.com/physics/scientists-detect-direct-evidence-big-bang’s-gravitational-waves
Camilla Woodhouse 
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