https://padlet.com/3048942/973owli21izm Mr Park P.6 en-us 2017-12-06 21:52:59 UTC 2025-11-01 00:56:32 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Bigthunderstorm.png 3048942 https://padlet.com/3048942/973owli21izm/wish/213932502 physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.]]> 2017-12-06 22:06:39 UTC https://padlet.com/3048942/973owli21izm/wish/213932502