Tech Today w/ Ken May

If you’re a science hobbyist you probably don’t have access to actual liquid nitrogen (-320 degrees Fahrenheit) but you can make your own cryo-fluid from dry ice and rubbing alcohol that goes down to -110 degrees Fahrenheit, enough to instantly freeze flowers, cherries, and other popular liquid nitrogen demonstrations. More »

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DIY Cryogenic Fluid Made from Dry Ice and Rubbing Alcohol Performs Most Liquid Nitrogen Demonstrations

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