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11 inventions that changed the world

luonut Daniel Sima

Malaysia Culture Etiquette (IB)

luonut Rawan Alakhras - Rick Hansen SS (2542)

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luonut ADA LUCIA ASENCIO RIVERA

Life skills

luonut GÁLVEZ VILLALOBOS ÁNGEL DE JESÚS

1844

Elijah Mccoy

invention of the automatic oil cup and the lawn sprinkler. p.38

1942

1972

1987

1998

he developing a car that has four electric motors on each wheel of the car.ballard power systems. p.38

pierre couture

he developing a car that has four electric motors on each wheel of the car.ballard power systems. p.34

Anita luszszak

she developed a pulsating generator that used less energy to generate electrical power than the conventional power generators. p.34

Anik 1 was launched

it was the world's first geostationary communications satellite. p.34

Donald L. hings of british

Columbia inwented the portable transceiver, or walkie-talkie. p.34

1927

Edward samuels rogers

of ontario made the first radio that could be plugged in to a wall outlet. p.34

1924

Sir William

invented a methob of sending pictures for newspapers over phone lines. p.34

1906

the world stared to communicate by sending electronic signals through the atmosphere. p.33

1900

fessenden

His first message only travelled 2 km. p.33

1878

Cyril Duquet

of Quebec designed a phone receiver to have both an ear and voice piece like the phones of today. p.33

1876

Alexander Graham

a thin sheet of metal , a coil of wire wrapped around a magnet, and a battery to create a telephone. p.32

1786

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Luigi Galvani

he noticed that a spark could make the frog's leg move. p.4

1796

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Galvani's

use different liquids. He placed these liquids in bowls with pieces of metal. p.5

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