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
Energy is being wasted if a toaster is left plugged in after use.
21
The IRS processes more than 2 billion pieces of paper each year.
28
Any modern jet is capable of breaking the sound barrier.
34
The first alarm clock could only ring at 4 a.m.
120
Jumbo jets use 4,000 gallons of fuel to take off.
19
Kleenex tissues were originally used as filters in gas masks.
46