Tag Archives: scale model

(8.23E+) 38 (cubic kilometers)

Photo from FotoSearch On How Stuff Works website, the following question has been presented and answered… “How many teaspoons are there in a cubic light year? “This is such a great question because it really makes you think about the scale of the universe! Let’s take a look. “A good starting point is the teaspoon. [...]

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(14)85

Leonardo da Vinci (1452-1519) was interested in developing ways for humans to be able travel through the air like a bird. He started to make drawings for an ornithopter about 1485.   The ornithopter is designed as a human powered machine whose wings flap like a bird or bat.  In NASA’s History of Flight, da Vinci’s [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1533 days ago