The first electric wheelchair was created in Canada. Though attempts to create a proper motorized wheelchair started in 1916, there were no viable prototypes until after World War II.
The original purpose of the motorized wheelchair was to help veterans from World War II who had been injured during the war. In 1956, electric wheelchairs started to be mass-produced for popular use. The company responsible for this production also created the first folding wheelchairs in 1932. As of 2014, some modern motorized wheelchairs can be controlled with the user's mind, making the wheelchairs better for patients who lack use of their arms.Learn More
The earliest known use of crutches dates back to the early days of recorded history, so it is impossible to pinpoint a single inventor. However, several innovators are responsible for the modern crutch design.Full Answer >
Tycho Brahe was an astronomer who, through careful observation, recorded and discovered the visible orbit of heavenly bodies across the night sky. Brahe is also credited with providing data that disproved the early 16th-century theory that the heavens are static.Full Answer >
Sir Isaac Newton received several honors including knighthood, the consideration as the top mathematics professor at Cambridge, a seat in Parliament and the Lucasian Chair of Mathematics at Cambridge. Sir Isaac Newton was a mathematician, astronomer, philosopher, scientist and physicist that lived from 1643 to 1727.Full Answer >
Although no specific person has ever been credited with the invention of glass windows, the first known use of glass in windows was during the Roman Empire. This likely occurred in about 100 C.E. in Roman-occupied Alexandria.Full Answer >