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Braille is six raised dots numbered & presence or absence of dots.
Invented by Louis Braille. -
Emile Berliner
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Thomas Edison
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Invented by George Eastman
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Elisha Gray
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George Eastman
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August and Louis Lumiere
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Garret A. Morgan
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Philo Farnsworth
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Invented by Fritz Pfleumer. It was used to record sound.
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Invented by Walter Elias Disney
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The Motoroia weighed 2.3k.
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Invented in the United Stated by a group of researchers and scientists.
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Steve Russell invented the game.
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Invented by James Russell.
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Alexander Bain invented the fax machine
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Douglas Engelbart invented the computer mouse.
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Randolph Smith and Kenneth House
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The E-Mail was a electronic device that connects a computer to a telephone line.
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Steven Chen, Chad Hurley & Tawed Karlm invented youtube.
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Invented by Samuel Morse.