If you’ve taken our Electricity and Magnetism class, you’ve seen this device before! You press a button and an electric arc rises to the top of two tall wires. This is the Jacob’s Ladder! But what’s happening here? The base of the Ladder is a transformer — a device that changes an incoming voltage. In
Read moreObserving the Opposition of Jupiter
Jupiter is one of the marvels in our solar system. Appropriately named after Zeus, it has a tremendous mass. In fact, it outweighs the rest of the planets of the solar system by a factor of two–and it knows how to throw its weight around! Its gravity holds 67 confirmed moons in orbit, including
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