Photographs by Jo Whaley for TIME; Inventions from left: On Cloudboom Strike LightSpray, Medical Microinstruments Symani Surgical System, Agility Robotics Digit holding Light Bio Firefly Petunias ...

Jake: I'm Jake. Medha: I'm Medha, and we're testing out inventions to see if they live up to expectations. Jake: We're here to answer the biggest question. Medha: It's cool. Jake: But does it ...