Scientists have turned their attention to investigating that most annoying of human habits - the sound made when you crack your knuckles. The characteristic pop can be explained by three ...
In making this list, we included soundtrack albums built around original songs (hey, Superfly) as well as expertly curated compilations (we see you, Quentin); some great soundtracks feature fresh ...
Unfortunately, there isn't much you can do for things like severe cracks, so it's important to be aware of the warning signs of a cracked engine block to catch the problem before it breaks.
Sounds are made when objects vibrate. This makes the air around the object vibrate and the air vibrations then travel to and enter your ear. Sound waves can travel through solids (such as metal ...