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Comment reason for no commercial options (Score 2) 61

The OP is surprised why you can't find gifts that do this. The answer is simple: it's patented. No one in the USA is safe to produce this kind of effect without being sued, and the major photo publishers must be quite aware of this patent status and are not willing to pay the extra cost for the feature.

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"Tube Map" Created For the Milky Way 142

astroengine writes "Assuming you had an interstellar spaceship, how would you navigate around the galaxy? For starters, you'd probably need a map. But there's billions of stars out there — how complex would that map need to be? Actually, Samuel Arbesman, a research fellow from Harvard, has come up with a fun solution. He created the 'Milky Way Transit Authority (MWTA),' a simple transit system in the style of the iconic London Underground 'Tube Map.' (Travel Tip: Don't spend too much time loitering around the station at Carina, there's some demolition work underway.)"

What is algebra, exactly? Is it one of those three-cornered things? -- J.M. Barrie

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