three_fourteen

Re:Ask HN: Visualizing a Sphere on Sunday September 06, 2020 @07:24PM (#24395477)

Can you elaborate? Or is this a pun about wave particle collapse;)

“Planar geometry is sometimes called flat or Euclidean geometry. The geometry on a sphere is an example of a spherical or elliptic geometry. Another kind of non-Euclidean geometry is hyperbolic geometry. Spherical and hyperbolic geometries do not satisfy the parallel postulate.” https://math.hmc.edu/funfacts/spherical-geometry/

Ask HN: Visualizing a Sphere

Posted by three_fourteen on Sunday September 06, 2020 @04:24PM
from the ask-hn dept.

Hi HN,This is going to be a strange question; but if any audience is going to appreciate it I think HN will :)I started meditating in January with the goal of reaching an hour of consecutive meditation by the end of the year. I’m on a 218 day streak and I’m already up to 62 minutes and now intend to get to 90 minutes by the end of the year.Another hobby is reading, where I have been able to use...

( Read More... | 4 comments | 5 points | on HN )