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School work on Inventions

Iron

Topic: Inventions

Iron is used to make fabrics softer and smoother. The iron was invented because people wanted and needed for treating linen fabrics.

The trick to smooth the fabric with something hot has been around since the 300's AD. Then used a stone that was rubbed against the leather until it became hot. Then pulled the stone to the fabric until it became plain. View schoolwork »

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Aircraft

The first attempts to fly

The first attempts made to try to fly was made by the Chinese for around 1000 years ago with the help of kites and hot air balloons. In Europe, Leonardo da Vinci sketched the first designs for an airplane, a mand grated design with flapping wings, almost like a bird's wing. He also made ​​the first sketches on a helicopter-like construction and a parachute. View schoolwork »

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Solar Power

Solar Power
Solar power is solar energy comes from the sun's light. It is because of the solar energy that there is life on Earth. Without the heat from the sun, the earth would be a cold place and it is solar energy that drives photosynthesis. Solar energy is originally from the energy recovered as biomass, hydropower, wind power and low geothermal energy. Solar energy is the largest part of the electricity and heat production in the earth. Solar energy is used directly by humans via several techniques to produce heat and electricity. View schoolwork »

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PC

Topic: Inventions

Top

They manufactured the computer to figure out the mathematical calculations that would go even faster than if a man made it manually. The computers are very mindra and more efficient than they were 20 years ago. The world's first computer was the ENIAC was completed in 1945 was used for the military during World War II to produce tables of projectiles courses which would take a long time to do by hand. View schoolwork »

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Trafikuppstats

Car

Introduction-Summary:
Carl Benz built the first gasoline powered car in 1885, after which he later merged with Gottfried Daimler to lay the foundation for the German automotive industry in 1886.
The development has been progressing quite fast and has given us the cars we have today that is far safer than 50years ago. View schoolwork »

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The steam engine

Topic: Inventions

Technical Description

Using the steam heat energy is converted to kinetic energy. Water is boiled in a boiler, so that it becomes steam under pressure. In a cylinder affects the vapor pressure of the piston, which in turn conveys the mechanical work. The first steam engines were used to pump water out of mines, which had previously used horse-drawn pumps. View schoolwork »

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Thomas Alva Edison and the light bulb

Subject: Biographies , Inventions

Thomas Alva Edison was born February 11, 1847 in Milan, Ohio. He was an inventor and invented something that would change the world, light bulb.
Before the light bulb he invented the phonograph which is a simple kind of gramophone. It was, according to him his best invention, but the update, the real phonograph invented a German inventor named Berliner. View schoolwork »

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Aircraft

Aircraft History

It was Leonardo da Vinci who started thinking about how a flying machine would look like. He even came with the first idea of ​​how a helicopter would work. But it was a Swedish name was Emanuel Swedberg who made the first sketch with a propeller-like device. It happened in 1716 View schoolwork »

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Radio

Topic: Inventions

History

Early in our history was the only way to convey information and news by talking to each other. Some other ways were such as Indians who developed a way to communicate with each other by smoke signals. View schoolwork »

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The bulb

Topic: Inventions

The invention of the light bulb has a fascinating history spanning the 1800s. At the beginning of this time consisted available lights of candles, gas and oil lamps. In 1809 started an English chemist, Humphrey Davy, the trip to the invention of a practical incandescent light source. View schoolwork »

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