You Can Hear The Difference Between Hot and Cold Water Did you know you can hear cold or hot water and distinguish their difference? Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts Wind tunnel testing shows old methods still work A pound of sodium metal in the river Psychology Experiments Show How Disturbing Humans Are 1947 – Bioastronautics Research Watch Atmospheric Pressure Savagely Crush A Steel Barrel What a fire backdraft is, and why it can be dangerous