Time lapse sequences of photographs taken by the crew of expeditions
28 & 29 onboard the International Space Station from August to October,
2011, who to my knowledge shot these pictures at an altitude of around 350 km.
All credit goes to them.
A perfect mirror has specular reflection, meaning it reflects all light in a single direction equal to what it receives. Specular reflection creates an image of whatever object is in front of it. But most mirrors we use aren’t perfect.
Nikola Tesla was born on July 10th 1856, in the territory of modern day Croatia to his two Serbian parents. Tesla grew up into bright inquisitive, yet eccentric child, who found himself fascinated by...
John Ellis,theoretical physicist, answers the question “What is the Higgs boson?” in preparation for the press conference following the seminar on LHC 2012 results on the Higgs boson search, due on July 4 2012...
The Biggest Stars in the Universe, comparison of planet Sizes, Star Sizes, Life in the Universe,..