Hofmaimaier@feddit.org to Science Memes@mander.xyzEnglish · 3 months agoHow about the digestive system?feddit.orgimagemessage-square169linkfedilinkarrow-up1661arrow-down131
arrow-up1630arrow-down1imageHow about the digestive system?feddit.orgHofmaimaier@feddit.org to Science Memes@mander.xyzEnglish · 3 months agomessage-square169linkfedilink
minus-squareSteve Dice@sh.itjust.workslinkfedilinkEnglisharrow-up2·3 months agoAll spheres are hollow (mathematically)
minus-squarehalvar@lemy.lollinkfedilinkEnglisharrow-up2·2 months agois x²+y²+z²<=r² not considered a sphere then?
minus-squareSteve Dice@sh.itjust.workslinkfedilinkEnglisharrow-up2·2 months agoNope. That’s a ball. A closed ball to be precise. “Sphere” refers specifically to the “=” part.
All spheres are hollow (mathematically)
is x²+y²+z²<=r² not considered a sphere then?
Nope. That’s a ball. A closed ball to be precise. “Sphere” refers specifically to the “=” part.