While working on the instructions for the new renewable energy kit we have in prototype, found this

A new Website which allows you to select your closeness and field of view, and step through

One of the great unsung books of our times, Cosmography, by Buckminster Fuller, is the last book

Ernie Wirtanen, who founded and ran Wirtanen Electric, a large electrical wholesale and equipment rental company in

This is a charming example, in 12 frames, of the relative intensity of solar energy received by