Blue Marble 2012: NASA Releases High Definition Image Of Earth (PHOTO)www.huffingtonpost.comNASA on Wednesday released “Blue Marble 2012,” a view of the home planet that the agency calls the “most amazing high definition image of Earth.” Unlike the original Blue Marble — the iconic 1972 photograph taken by the Apollo 17 crew while they were on their way to the moon. ‘Invisibility cloak’ breakthroughwww.bbc.co.ukFor the first time researchers achieve the “cloaking” of a three-dimensional object to make it invisible as viewed from any angle.