1790: "Physics: Position vs. Time"

Interesting Things with JC #1802: "James Prescott Joule" — In the 1840s, James Prescott Joule used falling weights and spinning paddles to measure how mechanical work produces heat, challenging a leading scientific theory and helping establish the law of energy conservation. His experiments changed…

Interesting Things with JC #1801: "Projectiles Launched at an Angle" — Throw 2 baseballs at different angles, using exactly the same speed, and both can land at the same distance. Discover why a higher throw doesn't always travel farther and what gravity has to do with it.

Interesting Things with JC #1799: “Horizontal Projectiles” — Launch one ball sideways and drop another from the same height. Ignoring air resistance, they hit the ground at the same time, even though one traveled across the room.

Interesting Things with JC #1800: "The Siege of Yorktown" — On October 9, 1781, George Washington fired an American cannon at Yorktown as 8,000 British troops faced a massive American and French army. But the British had an even bigger problem: their escape by sea had been cut off.