The ball on top of a flagpole is called a 'truck'.
24
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
In the early 1960's, Porsche commercially manufactured farm tractors.
24