Energy is being wasted if a toaster is left plugged in after use.
21
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
A toaster uses almost half as much energy as a full-sized oven.
33
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12