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   franco_vazza (franco_vazza@mastodon.social)'s status on Thursday, 21-Nov-2024 04:44:39 JST franco_vazza

   That's the inside of the Virgo gravitational wave detectors in Pisa. It looks like a 3.5km long metal pipe, and it basically is, but together with Ligo in the US it detected a displacement of order 1e-18 meters due to the passage of gravitational waves from colliding black holes and it opened a whole new era in #astronomy #science