Faced with restrictions on advanced technologies, Huawei has been forced to rethink how to raise performance. So, in a very different way, has Elon Musk. Together, they reveal something about how ...

Rocksmith is a popular video game that works like Guitar Hero, but with a real guitar. You have to play well and hit the right notes, or the game penalizes your score. [Lightwing] took the stakes up a ...