| in Did You Know Facts
What Exactly Is A Sound Wave?
A sound wave is a mechanical wave that travels through a medium or object such as water or air. In actuality, a sound is a type of energy produced by the vibrations of matter molecules, and you hear it when the sound waves pass through a medium to your ears.
Did you Know? Before birthday cake candles, candles on the cakes were saved for the goddesses on moon.
Billy, the iconic Saw puppet, was so important to filmmakers James Wan and Leigh Whannell that they paid for it to have its own seat on a flight from Melbourne to Los Angeles.