Gravity ties our bodies to planet Earth but it does not define the limits of the soaring human mind. In November 1915 – exactly one century ago – this was proven to be true when Albert Einstein, in a series of lectures ...
15 hours ago in General Physics
Named after Isaac Newton's text Naturalis Principia Mathematica, ESA's Principia mission will be the eighth long-duration mission to the International Space Station.
Nov 23, 2015 in Space Exploration