Topic

Temperature

3 facts

  • Physics0 views

    Hot Water Can Freeze Faster Than Cold Water (Mpemba Effect)

    This counter-intuitive phenomenon, known as the Mpemba effect, is still not fully understood, defying simple physics. Theories include differences in supercooling, evaporation rates, convection currents, and dissolved gas content affecting the freezing process.

  • Science1 views

    Hot Water Freezes Faster Than Cold Water Under Certain Conditions

    This phenomenon, known as the Mpemba effect, is still not fully understood but has been observed in various experiments. Possible explanations include evaporation, convection, and supercooling effects, making it a persistent scientific puzzle.

  • Physics2 views

    A Lightning Bolt Can Be Five Times Hotter Than The Sun's Surface.

    While the surface of the sun is around 9,940 degrees Fahrenheit (5,500 degrees Celsius), lightning can reach temperatures of 50,000 degrees Fahrenheit (27,760 degrees Celsius). This intense heat causes the air to expand explosively, creating thunder.