Whale oil was used in automobile transmissions as late as 1973.
56
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
About 39,000 gallons of water are used to produce the average car!
14
The life boat was patented in 1845!
29
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
Energy is being wasted if a toaster is left plugged in after use.
21