Most people have experienced mild motion sickness -- perhaps from staring at your phone in the back of an erratic Uber or riding a particularly loopy amusement park ride. It usually passes quickly, but severe cases can be challenging to manage. Samsung now has an app for that. The tech giant's new Hearapy app for Android uses the headphones you already own to relieve motion sickness with sound. Motion sickness is generally what you get when the signals from your eyes and inner ear don't jibe with each other, resulting most commonly in dizziness or, in severe cases, nausea, sweats and vomiting. It's most frequently experienced in cars, on boats and other moving vehicles, but can also be caused by tech, including phones. The disorienting cybersickness, for example, can be brought on by scrol