Galileo knew it? He was the 16th century Italy scientist, who invented the thermometer hangs ... ... This brightly colored glass seal bottles, at first glance we are familiar with digital display, mercury thermometers have nothing in common, but it is indeed a thermometer. It uses for temperature changes of density and buoyancy change physical principles, used to display the current temperature. iPhone 6 flip cases
This thermometer according to 1593 invention improved arts and crafts, there are seven-colored balls of varying sizes, balls hanging below the metal plates engraved with numbers. Balls per plaque 2 degrees. When the balls are suspended in glass top, one of the most bottom numbers of balls, namely for the temperature would probably value. Don't try so hard, its measurement range between 20-32 degrees Celsius. Main functions you know ... ... iPhone 6 flip cases
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