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This Stove Turns Wood into Electricity

This Stove Turns Wood into Electricity

When cooking in an open fire, it’s smart to take full advantage of it by transforming the extra heat into chargeable electricity for your devices such as smartphone, GPS or tablets. This complete off-grid stove’s chamber fires fallen branches or ...

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World’s First Algae Energy House

World’s First Algae Energy House

The world’s first algae energy house in Hamburg, Germany has been officially put into use, residential sunny facade is erected with a number of green algae-wall filled of water. It helps algae absorb sunlight heat to provide hot water for ...

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Telephone

Telephone

In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone). Both men rushed their respective designs to the patent office within hours of each other, Alexander Graham Bell ...

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Neon Signs

Neon Signs

The theory behind neon sign technology dates back to 1675 before the age of electricity, when the French astronomer Jean Picard* observed a faint glow in a mercury barometer tube. When the tube was shaken a glow called barometric light ...

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Fuel Cells

Fuel Cells

In 1839, the first fuel cell was conceived by Sir William Robert Grove, a Welsh judge, inventor and physicist. He mixed hydrogen and oxygen in the presence of an electrolyte, and produced electricity and water. The invention, which later became ...

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Electromagnet

Electromagnet

An electromagnet is a device in which magnetism is produced by an electric current. British electrician, William Sturgeon invented the electromagnet in 1825. The first electromagnet was a horseshoe-shaped piece of iron that was wrapped with a loosely wound coil ...

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Electricity – Electronics

Electricity – Electronics

Electricity is a form of energy involving the flow of electrons. All matter is made up of atoms, and an atom has a center, called a nucleus. The nucleus contains positively charged particles called protons and uncharged particles called neutrons. ...

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Electric Chair

Electric Chair

During the 1880’s two developments set the stage for the invention of the electric chair. Beginning in 1886, the New York State Government established a legislative commission to study alternate forms of capitol punishment. Hanging was then the number one ...

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Electric Blanket

Electric Blanket

The first crude electric blanket was invented in the early 1900s. The heated bed coverings bore little resemblance to the electric blankets we are familiar with today. They were big and bulky heating devices that were dangerous to use, and ...

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Christmas Lights

Christmas Lights

The tradition of using small candles to light up the Christmas tree dates back to at least the middle of the XVIIth century. However, it took two centuries for the tradition to become widely established first in Germany and soon ...

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