A toaster uses almost half as much energy as a full-sized oven.
33
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Energy is being wasted if a toaster is left plugged in after use.
21
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The IRS processes more than 2 billion pieces of paper each year.
28
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Kleenex tissues were originally used as filters in gas masks.
46