How fast was the Concorde airplane?
With a take off speed of 220 knots (250mph) and a cruising speed of 1350mph – more than twice the speed of sound - a typical London to New York crossing would take a little less than three and a half hours as opposed to about eight hours for a subsonic flight.
Are all species related?
Yes. Just as the tree of life illustrates, all organisms, both living and extinct, are related. Every branch of the tree represents a species, and every fork separating one species from another represents the common ancestor shared by these species.
What year was Stairway to Heaven produced?
"Stairway to Heaven" is a song by the English rock band Led Zeppelin, released in late 1971. It was composed by guitarist Jimmy Page and vocalist Robert Plant for the band's untitled fourth studio album (often referred to as Led Zeppelin IV).
When were radios first fitted in cars?
In 1930, the Galvin Corporation introduced one of the first commercial car radios, the Motorola model 5T71, which sold for between $110 and $130 (2009: $1,700) and could be installed in most popular automobiles.