Rays and Geometry: In geometry a ray is, essentially, half a line. It has a single endpoint and then extends forever in one direction. A ray can extend in any direction, and since it has an endpoint it can share that endpoint with other rays, line segments, and so on. ...
infinity is totally other. We postulate that infinity is the source for pi and the other dimensionless constants such that pi reaches between the finite and the infinite. Then, we postulate that pi’s first finite manifestation is a primordial sphere — the first sphere and firstthingin the ...
Become fluent in Chinese by watching Chinese videos in a video player designed for language learners. Try Yabla Now Find out more 平行公设 Trad. 平行公設 píng xíng gōng shè the parallel postulate (geometry) Euclid's fifth postulate 平行时空 Trad. 平行時空 píng xíng shí kōng paral...