The ball on top of a flagpole is called a 'truck'.
24
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
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
The first alarm clock could only ring at 4 a.m.
120
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Castor oil is used as a lubricant in jet planes.
-5
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Kleenex tissues were originally used as filters in gas masks.
46