Geothermal is a green power source and doesn't add carbon to the atmosphere the way fossil fuels do.
How does the gas coolant that just chilled your fridge make the coils warm? The secret's in the refrigerator's hum.
Learn more about the physics of hot air and why mountain tops are so cold.
All the refrigerator does is move heat, or energy, from one place to another. As the food inside the refrigerator loses its heat and gets colder.
We need cleaner, more sustainable sources of energy, right?
Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.
You may have looked at your thermostat and saw a piece of metal. Learn how the metal strip controls them temperature of your house.
There are some balls that are specifically designed not to bounce. The question is, how do these so-called 'dead balls' not bounce?
You may have held Mexican jumping beans as a child and wondered how they work. The answer may surprise you...
It's human intuition that something cold left outside in the sun will melt... but why?