Energy is being wasted if a toaster is left plugged in after use.
21
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
Any modern jet is capable of breaking the sound barrier.
34
A toaster uses almost half as much energy as a full-sized oven.
33
Jumbo jets use 4,000 gallons of fuel to take off.
19
