Whale oil was used in automobile transmissions as late as 1973.
56
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Kleenex tissues were originally used as filters in gas masks.
46
The first alarm clock could only ring at 4 a.m.
120
