Whale oil was used in automobile transmissions as late as 1973.
56
Attics were invented in Attica.
43
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The electric chair was invented by a dentist!
122
Any modern jet is capable of breaking the sound barrier.
34
More than a billion transistors are manufactured every second.
-25
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46