WebInventions solve problems and help make our lives easier. The Wright brothers invented the first airplane in 1903. The first flight traveled about half the length of a football field and lasted 12 seconds. Today’s airplanes can travel long distances. Look at the ways that some inventions have changed over... Educators only. For full, free access: WebFeb 13, 2015 · In the late 1840s, John Curtis developed the first commercial spruce tree gum by boiling resin, then cutting it into strips that were coated in cornstarch to prevent them from sticking together....

Eat well and spend less: 25 frozen food heroes - MSN

WebJun 29, 2014 · After his wife’s death in 1911, he focussed on his work, and by December 1913 had designed the modern zipper. 2. Electric Oven. The earliest ovens appeared in Europe as much as 29 000 BC. So the oven, … Numerous people in Canada have innovated or invented new technologies in response to human needs and desires. These inventions and innovations have changed the way people work, communicate and understand the world around them. Below is a list of some of the technological inventions and … See more The steam-operated foghorn is a technological innovation that improved maritime safety and saved the lives of countless fog-bound mariners. The device was developed by Robert Foulis, a civil engineer, who … See more The Canadarm was a remote-controlled mechanical arm, also known as the Shuttle Remote Manipulator System (SRMS). The $110-million Canadarm development program was largely carried out by Canadian … See more Olivia Poole was one of the first Indigenous women in Canada to patentan invention, the Jolly Jumper. Poole was raised on the Ojibwe … See more The Converto-Braille is a computerized machine that converts Latin-alphabet texts to Braille, a system of writing used by people who are visually impaired. The Converto-Braille was … See more lady foils mail theft camera

ReadWorks Award-Winning, EdTech Nonprofit Organization

WebIn 1913, American Fred W. Wolf invented the first home electric refrigerator, which featured a refrigeration unit on top of an icebox. Mass production of domestic refrigerators began in 1918 when William C. Durant introduced the first home refrigerator with a … WebApr 22, 2024 · The origins of ice hockey may date to stick-and-ball games played during the Middle Ages or even ancient Greece and Egypt. Some believe the game evolved from the ancient Irish game of hurling. But ... lady floating in water painting