The first alarm clock could only ring at 4 a.m.
120
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
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The cigarette lighter was invented before the match.
210
The United States produces enough plastic film annually to cover the entire state of Texas.
13
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Jumbo jets use 4,000 gallons of fuel to take off.
19