Chances are all you know about ear buds is that they're easy to carry around and they sound good. Ear buds are useful little devices as long as they're used at low volumes. But they're basically a pair of tiny speakers that you wear inside your ears. And loud music playing that close to your eardrum can cause permanent hearing loss.How Ear buds Damage the EarsBelieve it or not, ear buds can damage your hearing in the same way that things like chainsaws...