The first alarm clock could only ring at 4 a.m.
120
The IRS processes more than 2 billion pieces of paper each year.
28
Jumbo jets use 4,000 gallons of fuel to take off.
19
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
Sony researchers have developed a refrigerator that only opens when you smile.
9
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