
1. “White noise” got its name because its spectrum resembles white light. “Pink noise” was named because its spectrum resembles pink light. And “Brown noise” was named after a Scottish botanist named Robert Brown
2. Despite its name, Philadelphia Cream Cheese was invented in New York state, not Philadelphia. This was in 1872. It was not marketed as “Philadelphia Cream Cheese” until 1880. At the time, the Philadelphia area had a reputation for high-quality dairy farms, so they used the name to allude to that.
3. The “ZIP” in ZIP code stands for “Zone Improvement Plan.” They were created in 1963 to help mail carriers deliver mail more efficiently . . . so they could “zip” along their routes.