Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The cigarette lighter was invented before the match.
210
Energy is being wasted if a toaster is left plugged in after use.
21
Kleenex tissues were originally used as filters in gas masks.
46
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Whale oil was used in automobile transmissions as late as 1973.
56