INeedMana@lemmy.world to Today I Learned@lemmy.worldEnglish · edit-22 months agoTIL Gravity is not about mass pulling other mass. It's mass bending time spacetime that makes other mass get closerwww.youtube.comexternal-linkmessage-square71fedilinkarrow-up1358arrow-down115
arrow-up1343arrow-down1external-linkTIL Gravity is not about mass pulling other mass. It's mass bending time spacetime that makes other mass get closerwww.youtube.comINeedMana@lemmy.world to Today I Learned@lemmy.worldEnglish · edit-22 months agomessage-square71fedilink
minus-squarethenextguy@lemmy.worldlinkfedilinkEnglisharrow-up5arrow-down4·2 months agoBut it’s kind of a terrible one, because it uses gravity to explain gravity.
minus-squareSasha@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up4·2 months agoIt’s just meant as a physical analogue to demonstrate some features (namely how the shape of the sheet/gravity affects things that travel on/through it) in a way that people can understand easily.
minus-squareCouldbealeotard@lemmy.worldlinkfedilinkEnglisharrow-up4·2 months agoIf it’s the demonstration I’m thinking of, it uses gravity to visualise the affects of an otherwise invisible force.
But it’s kind of a terrible one, because it uses gravity to explain gravity.
It’s just meant as a physical analogue to demonstrate some features (namely how the shape of the sheet/gravity affects things that travel on/through it) in a way that people can understand easily.
If it’s the demonstration I’m thinking of, it uses gravity to visualise the affects of an otherwise invisible force.