Drive-In Movie Theaters
The concept for the first drive-in movie business originated with one man in the late 1920s. Richard M. Hollingshead, Jr. came up with the concept of watching movies from one’s …
Inventions
The Wheelchair: A Great Invention Needed By Many
Wheelchairs have been greatly improved over the years. One hundred years ago, they were heavy and required someone to push the wheelchair. Today’s chairs come in many models—sleek and slim …
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How the Weather Bureau Came About
Weather. People throughout time have always cared about the weather. It affects crops, businesses, travel, and personal plans. Sometimes, all that one needs is the next day’s forecast. But often, …
The Story of Parking Meters
The first parking meters in the United States went into use in Oklahoma City in 1935. The city grew rapidly in the early 20th century. In 1913, the city had …
The Invention of Sunscreen
In the 1930’s and 1940’s, sunscreen was being developed independently but simultaneously by at least four different chemists in various parts of the world: The first-to-market was likely H.A. Milton …
The Signal Corps: Battlefield Communication–Civil War
Battlefield communication has always been difficult. Before technology, armies relied on bugles, trumpets, drums and banners to signal to the soldiers and to more distant regiments what was to come …
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