Lost in space: How ’digital twins’ saved NASA’s robots
A view of an Astrobee ROAM Operations Session 2 in the JEM during Expedition 66. Image: NASA Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. A standard ballpoint pen will not write in space. Without gravity, the ink refuses to flow. This simple failure illustrates a profound headache inContinue Reading











