A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
The first alarm clock could only ring at 4 a.m.
120
Energy is being wasted if a toaster is left plugged in after use.
21
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20