How the Earth’s north celestial pole changes over time. (Sped up 10^11x). Details in remarks. Read more »
Kuiper Belt fly-through (simulation) [1920 x 1080] [OC] [OS] Read more »
Wednesday, May 27, 2020
Nikola Tesla
I do not think you can name many great inventions that have been made by married men
Albert Einstein
magination is more important than knowledge.