Over on his YouTube channel the inimitable [Ben Eater] takes a look at an electronic altimeter which replaces an old mechanical altimeter in an airplane. The old altimeter was entirely mechanical, ...
If you're hoping to attract more hummingbirds this spring, here are two flowers you should plant in the fall and how to make ...
The average length of a sword -billed hummingbird’s beak ranges from 8 to 12 centimeters (3.1–4.7 inches). Their beaks are ...
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