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An English scientist named Michael Faraday used liquefied ammonia to cause cooling. Jacob Perkins worked with Faraday and used the ammonia for a vapor- compressed cycle.
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Liquefying gas was added to the fridge and the first reliable fridge was also made. Even though Jacob Perkins invented the frist fridge it wasn't very reliable.
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Fred Wolf created the first electric fridge for domestic use but it was a flop. His invention the ice cube tray was a hit though.
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A compressor was added to the bottom of the fridge and Kelvinator company also introduced the first fridge with any type of automatic control.
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Thomas Midgley Jr invented a miracle compound called Freon. It then became the standard for all domestic fridges.
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They made a separate compartment for the freezers.
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lg launched the world's first connected refrigerator. Samsung released models with wifi and cameras.
