Sometimes it’s really hard to tell what’s real with Elon Musk

Elon Musk enjoys taking to Twitter with announcements about his latest inventions and ideas. But 140 characters can leave things a bit cryptic. Unless this is Musk’s idea of unwinding with a bit of fun on a Friday afternoon, we’ll know more next week. Musk said he’ll post a video of designing a rocket part with hand gestures and then “immediately printing it in titanium.”