Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

[Bill Hammack] elaborates on one such piece of engineering: The Alignment Optical Telescope. The telescope was used to find the position of the Lunar Module in space so that its guidance computer ...

Our machines can gaze at the visible and invisible parts of the cosmos and translate ... could see with their eyes and calculate. Optical telescopes improved that ability by taking visible light ...

This highly sophisticated system—comparable in size to half a basketball court and containing three times the number of parts ...