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Ideas in Motion

13 Virtues of Moral Perfection from the Autobiography of Ben Franklin

Jan 23, 2020 4:31:40 PM / by posted in History, Self-Development, Career, Mindfulness


In The Autobiography of Benjamin Franklin, he lists thirteen virtues “all that at that time occurr’d to me as necessary or desirable.”

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Pulleys: Did You Know?

May 3, 2019 9:02:00 AM / by posted in History, Pulleys, Belts


The evolution of pulleys is fascinating. These mechanisms we take for granted in everyday life actually have their roots in civilizations dating back 5500 years. Since then, the number of improvements and uses have increased to a staggering level, forever revolutionizing societies across the globe.

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Gears 101: The Fascinating Evolution of the Gear for “Gearheads”

Jan 21, 2019 4:21:21 PM / by posted in Engineers, Gears, History


A natural refinement to the invention of the wheel, gears were thought to have been invented by the Greeks. Philosopher and scientist, Aristotle, wrote about a rotating wheel that turned another wheel in the opposite direction in the fourth century B.C.E. By the third century B.C.E., water wheels and clocks were common on the Greek peninsula. Yet, the first specific mention of gears in Greek writings occurred around 50 C.E. by Heron of Alexandria, a mathematician and inventor. Heron is most renowned for Metrica, a three-volume compendium of observations of the mathematics and engineering of Babylonia, ancient Egypt, and the Greco-Roman world.

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