sabreW4K3 to Futurology@futurology.todayEnglish · 3 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-square21fedilinkarrow-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.comsabreW4K3 to Futurology@futurology.todayEnglish · 3 months agomessage-square21fedilink
minus-squareKazumara@discuss.tchncs.delinkfedilinkEnglisharrow-up7·edit-23 months 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-up5·3 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!
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!