Phillip Frenzel, a 25-year-old master’s mechatronics engineering student at Aalen University in Germany, developed a mobile airbag of sorts for smartphones. This idea came about when he accidentally broke his own device when the jacket containing his smartphone was thrown over a banister, with the impact causing it to break. How does it work? Well, it’s basically a smartphone case that unfolds from the corners when its built-in sensors detect a fall. Click here for the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos today, including one of a device that lets you control video games hands-free.