SpaceX will launch Northrop Grumman's new "Cygnus XL" cargo ship on its debut mission to the International Space Station this evening (Sept. 14), and you can watch the action live.
Lasers aren’t just useful for entertaining cats or pointing out features of powerpoint slides. They can also drill holes on icy extraterrestrial bodies from comets to Mars polar caps. At least according to a new paper in Acta Astronautica by researchers at the Technical University of Dresden, who describe a new laser drill for use on icy surfaces throughout our solar system.