The windshield wiper was invented by Mary Anderson in 1903 to help streetcars operate safely in the rain. In 1905 she patented her invention, which allowed the car operator to control the external, swinging arm wipers from within the car. Windshield wipers became standard equipment on cars a decade later. At the time, Berners-Lee was working at CERN, the European Particle Physics Laboratory located in Geneva, Switzerland. After he wrote the first browser in 1990, the World Wide Web was up and going.
Children can easily make log cabins and other structures from the tiny wooden logs.
John patented his toy in 1920, and sold the logs through his toy company, the Red Square Toy Company. Playskool bought the rights to Lincoln Logs in 1943. U 235 and U 238 by gaseous diffusion. Madam Wu also she studied the molecular changes in hemoglobin associated with sickle-cell anemia. If the inventor or invention you're interested in isn't here, please e-mail us .