The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
More than a billion transistors are manufactured every second.
-25
Whale oil was used in automobile transmissions as late as 1973.
56
Energy is being wasted if a toaster is left plugged in after use.
21
The ball on top of a flagpole is called a 'truck'.
24
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41