Whale oil was used in automobile transmissions as late as 1973.
56
Mico headphones read your brainwaves and select music based on your state of mind.
7
Jumbo jets use 4,000 gallons of fuel to take off.
19
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Attics were invented in Attica.
43
More than a billion transistors are manufactured every second.
-25
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33