By Andrew Chapman
When Deblina Sarkar wanted to name her lab’s new creation the “Cell Rover,” her students were hesitant. “They were like, ‘it seems too cool for a scientific technology,’” she says. But Sarkar, a nanotechnologist at the Massachusetts Institute of Technology, wanted the tiny device’s name to evoke exploration of unknown worlds. This rover, however, will roam the inside of a living cell rather than the surface of a planet.