The first alarm clock could only ring at 4 a.m.
120
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Car airbags kill 1 person for every 22 lives that they save.
80
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The United States produces enough plastic film annually to cover the entire state of Texas.
13
