Energy is being wasted if a toaster is left plugged in after use.
21
Originally, BMW was an airplane engine manufacturer.
69
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
The first alarm clock could only ring at 4 a.m.
120
A small airplane can fly backwards.
75
The life boat was patented in 1845!
29
The IRS processes more than 2 billion pieces of paper each year.
28
The electric chair was invented by a dentist!
122