Gravitational waves discovered: the universe has spoken

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When two black holes collide, the resulting gravitational ripples can be felt across the cosmos. Henze, NASA

Just awesome!

https://theconversation.com/gravitational-waves-discovered-the-universe-has-spoken-54237?utm_medium=email&utm_campaign=Latest%20from%20The%20Conversation%20for%20February%2012%202016%20-%204281&utm_content=Latest%20from%20The%20Conversation%20for%20February%2012%202016%20-%204281+CID_96b8c07fb6f636616cbfd7715292ad67&utm_source=campaign_monitor&utm_term=Gravitational%20waves%20discovered%20the%20universe%20has%20spoken