Life is fraught: social interaction, inflation and fashion all conspire to ruin your day. Even the simple act of firing up your PMP can send you to the floor in tears if you discover your earbuds are in the wrong way, forever ruining the beautiful stereo trickery of The White Album. Fortunately, Japan's Science and Technology Agency has beavered away at this most first-world of problems with its Universal Earphones Project. One earpiece holds a proximity sensor, which if it's pointing at your ear, pumps