sabreW4K3 to Futurology@futurology.todayEnglish · 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-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 · 2 months agomessage-square21fedilink
minus-squareBlue_Morpho@lemmy.worldlinkfedilinkEnglisharrow-up4·2 months agoMy bad for trusting Google top result. 395,700 kg fuel first stage. Burn time 162 seconds. https://en.m.wikipedia.org/wiki/Falcon_9#:~:text=The rocket has two stages,rocket%2C carrying 143 into orbit. 25,000 gallons of kerosene they keep on board. The 39,000 gallons of LOX in the Falcon 9 doesn’t make itself.
My bad for trusting Google top result.
395,700 kg fuel first stage. Burn time 162 seconds.
https://en.m.wikipedia.org/wiki/Falcon_9#:~:text=The rocket has two stages,rocket%2C carrying 143 into orbit.
The 39,000 gallons of LOX in the Falcon 9 doesn’t make itself.