INeedMana to Today I LearnedEnglish · edit-21 year agoTIL Gravity is not about mass pulling other mass. It's mass bending time spacetime that makes other mass get closerwww.youtube.comexternal-linkmessage-square70linkfedilinkarrow-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 to Today I LearnedEnglish · edit-21 year agomessage-square70linkfedilink
minus-squarethenextguylinkfedilinkEnglisharrow-up5arrow-down4·1 year agoBut it’s kind of a terrible one, because it uses gravity to explain gravity.
minus-squareSasha [They/Them]@lemmy.blahaj.zonecakelinkfedilinkEnglisharrow-up4·1 year 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-squareCouldbealeotardlinkfedilinkEnglisharrow-up4·1 year 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.