this post was submitted on 23 Sep 2024

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Graphene at 20: still no sign of the promised space elevator, but here’s how this wonder material is quietly changing the world (theconversation.com)

submitted 3 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 5 points 3 weeks ago

Our Sun moves around the centre of the Milky Way at a speed of 240 km/s or 864,000 km/h, so do we plus or minus ~30km/s!