The life boat was patented in 1845!
29
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
The electric chair was invented by a dentist!
122
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60