fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 2 年前aLiEnS!!1mander.xyzimagemessage-square123linkfedilinkarrow-up1854arrow-down121
arrow-up1833arrow-down1imageaLiEnS!!1mander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 2 年前message-square123linkfedilink
minus-squarejol@discuss.tchncs.delinkfedilinkEnglisharrow-up22arrow-down2·2 年前Actually I was listening to a podcast that explains this. They didn’t have levers yet. They did have other devices but no lever.
minus-squareGreenTeaRedFlag [any]@hexbear.netlinkfedilinkEnglisharrow-up4·2 年前you can’t just not have levers.
minus-squarenohaybanda [he/him]@hexbear.netlinkfedilinkEnglisharrow-up4arrow-down1·2 年前I think the lever here is a stand-in for mechanical advantage. I don’t believe anyone is seriously proposing they lifted the blocks with a very long stick.
minus-squareintensely_human@lemm.eelinkfedilinkEnglisharrow-up1·2 年前But the length of the stick is what’s required for the lever, unless they used some kind of gearbox.
Actually I was listening to a podcast that explains this. They didn’t have levers yet. They did have other devices but no lever.
you can’t just not have levers.
It was before levers
I think the lever here is a stand-in for mechanical advantage. I don’t believe anyone is seriously proposing they lifted the blocks with a very long stick.
But the length of the stick is what’s required for the lever, unless they used some kind of gearbox.
But others have levers
