Stage 3 is League One, and Stage 4 is League Two, completing the fully professional league structure. Stage 5 features the National League, the first semi-professional tier in the English soccer ...

A mostly 3D printed wind vane is printed with the base attached to a ball bearing and magnet so that the four hall sensors positioned in a “plus” configuration at the base can detect direction.

The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds, right in your pocket. Built for all experience levels, it will help you identify the birds around ...

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