Mechanical spinning globe that shows the night/day terminator

https://www.youtube.com/watch?v=xBD6OlKYz40&feature=youtu.be

Elenco's Night 'n Day Mechanical Globe uses a system of translucent, exposed gears to rotate an internally illuminated globe that displays the seasonally adjusted, real-time night/day terminator as it spins. (more…)

from Boing Boing http://ift.tt/2m8iJNx
via IFTTT

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