Hofmaimaier@feddit.org to Science Memes@mander.xyzEnglish · 2 months agoHow about the digestive system?imagemessage-square169linkfedilinkarrow-up1659arrow-down131
arrow-up1628arrow-down1imageHow about the digestive system?Hofmaimaier@feddit.org to Science Memes@mander.xyzEnglish · 2 months agomessage-square169linkfedilink
minus-squareSteve Dice@sh.itjust.workslinkfedilinkEnglisharrow-up3·2 months agoBut saying that to make a hole in a sphere, you need to make two holes in the sphere is funny.
minus-squarehalvarlinkfedilinkEnglisharrow-up1·2 months agoVery good observation. Now what about a hollow sphere?
minus-squareSteve Dice@sh.itjust.workslinkfedilinkEnglisharrow-up2·2 months agoAll spheres are hollow (mathematically)
minus-squarehalvarlinkfedilinkEnglisharrow-up2·2 months agois x²+y²+z²<=r² not considered a sphere then?
minus-squareSteve Dice@sh.itjust.workslinkfedilinkEnglisharrow-up2·1 month agoNope. That’s a ball. A closed ball to be precise. “Sphere” refers specifically to the “=” part.
But saying that to make a hole in a sphere, you need to make two holes in the sphere is funny.
Very good observation. Now what about a hollow sphere?
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.