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An internal combustion engine is a device which produces heat by combustion and powers certain mechanical parts like pistons or nozzles. This invention allowed people to create more complex machinery. -
An invention created by an accident, which now serves as a pillar for color creation in foods, textiles, among others. It's largely used today, too. -
This specific type of paper bag was created by a machine that Knight invented and was never thought of before. The evolution of this bag allows people to carry more objects inside it. -
This invention was useful for people of science, as it allowed naturalists and scientists to make research on sea animals easier by having them on captivity. -
An invention made by a deaf man which was able to reproduce music. It got greatly improved over the years, though its first design was made by Edison. Nowadays, the invention is no longer used, as it got replaced by more recent devices. -
This object was invented to connect people and uses electromagnetic waves to achieve this. Nowadays, the invention is obsolete due to the internet, though it was previously used as a way to communicate people from long distances more easily. -
Despite not exactly inventing it, the lifeboat was greatly improved by Beasley. At first being simple planks, it turned into easily stored and safe rafts. This invention is still saving lives today. -
An invention which made housework easier. It was created to aid housewives by removing one duty to perform. Nowadays, it's a very common kitchen appliance. -
Skeptical to be approved at first, Hoffmann invented the aspirin by sheer chance in a chemical reaction. Nowadays, this medicine has turned into a very common remedy. -
With the idea of helping drivers to see in bad weather, Anderson thought of manually controlled cleaners on windshields. Nowadays, it is strictly necessary to drive safely on all weathers.