Tip - How to build an LED Planetarium

Published 9 years, 3 month(s) ago | Submitted by Pat Caldwell

Everyone loves looking at the stars. Unfortunately, city lights, clouds and pollution often prevent this from being a frequent passtime. This instru...

For further reading: http://www.instructables.com/id/How-to-build-an-LED-Planetarium/

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Pat Caldwell

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Posted: 9 years, 3 month(s) ago

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