sabreW4K3@lazysoci.al to Futurology@futurology.todayEnglish · 1 day 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-up192arrow-down12
arrow-up190arrow-down1external-linkGraphene at 20: still no sign of the promised space elevator, but here’s how this wonder material is quietly changing the worldtheconversation.comsabreW4K3@lazysoci.al to Futurology@futurology.todayEnglish · 1 day agomessage-square20fedilink
minus-squareKazumaralinkfedilinkEnglisharrow-up7·edit-21 day ago Astronauts on the ISS are currently zipping along at at 7.67 km/s just fine. And we’ve all been zipping around the sun at 29.78 km/s since each of our inceptions.
minus-squareCypher@lemmy.worldlinkfedilinkEnglisharrow-up5·13 hours 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!
And we’ve all been zipping around the sun at 29.78 km/s since each of our inceptions.
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!