Thursday, October 16, 2008 "World-Class Planetarium Invests $39.50 on Overhead Projector"    The above is not a headline you often see and there is a compelling reason: Overhead projectors are simply no good for presenting educational star shows. It seems obvious enough that there’s a world – indeed, a universe - of difference between a planetarium system and an overhead projector, but a mix-up between the two contributed to a recent John McCain campaign gaffe that has been the subject of much commentary in the science community....View more

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