Who says celebrities aren't the brightest bulbs in the box? Here are a few who came up with memorable inventions, as reported by Cracked:
- Neil Young: The legendary singer/songwriter invented a new remote control system for model trains called the Trainmaster Command Control. He first designed it so his son, Ben, could more easily run a model train despite having cerebral palsy.
- Zeppo Marx: The youngest of the original Marx Brothers, Zeppo invented a heart attack alarm he called the "cardiac pulse rate monitor." Comparing your heart rate to the actual time, it would sound an alarm if your heart beat too fast.
- Hedy Lamarr: The Hollywood sex symbol liked staying up nights in her own laboratory. Among her many inventions was one cooked up with pianist George Antheil: the Secret Communication System, which encrypted radio signals on perforated paper rolls. This precursor to Wi-Fi technology was used by the US military during the Cuban Missile Crisis.
See more celeb inventions—including the water bed and lie detector—right here
. (Or read about celebs who are surprisingly charitable