@[email protected] to [email protected]English • 2 months agoGraphene at 20: still no sign of the promised space elevator, but here’s how this wonder material is quietly changing the worldtheconversation.comexternal-linkmessage-square20fedilinkarrow-up193arrow-down12
arrow-up191arrow-down1external-linkGraphene at 20: still no sign of the promised space elevator, but here’s how this wonder material is quietly changing the worldtheconversation.com@[email protected] to [email protected]English • 2 months agomessage-square20fedilink
minus-square@CypherlinkEnglish5•2 months agoOur 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!
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!