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VIDEO: Indulge Your Taste Buds With Liquid Nitrogen Ice Cream

What's better than ice cream on a hot summer day? Ice cream made on the spot and with no preservatives! Robyn Sue Fisher, inventor of a custom-built liquid nitrogen ice cream machine, talks about her creation and explains how the system makes the frozen treat.

Smitten in San Francisco makes fresh ice cream on the spot with a custom-built liquid nitrogen ice cream machine. Its founder Robyn Sue geeks out about the science of ice cream and explains how Smitten's system makes extra creamy desserts with no preservatives.

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