Surprisingly, some Dyson spheres and ringworlds can be stable
In the realm of science fiction, Dyson spheres and ringworlds have been staples for decades. But it is well known that the ...
Sandpoint Reader4 天
Mad about Science: Spheres
By Brenden Bobby Reader Columnist In case you forgot, Pi Day is Friday, March 14 — a celebration of one of the most important numbers in our universe: 3.14159.  Pi is the ratio ...