Power to the Parabola! 
Believe it or not, we have passed Summer Solstice, the longest day of the year, and winter is coming…..
Nonetheless, with summer’s light and heat upon us, I’m sharing one of my favorite activities from Isaac Newton and Physics for Kids. “Power to the Parabola” explains a concept about the hand-sized reflecting telescope that Newton designed and built. Inside is a small concave mirror that captures light.
To illustrate the concept of how this mirror works, kids (and grownups) can build a small solar oven — and roast a marshmallow. Sunny days rule!
Directions below….
