Researchers at the Massachusetts Institute of Technology (MIT), led by Giovanni Traverso, developed a microjet system ...

Inspired by this, the researchers devised two methods to mimic this jet propulsion in their capsules ... to target different sections of the digestive system. One version, shaped like a blueberry ...

Triggering the propulsion mechanism at the right time ... designed to deliver materials to different regions of the digestive system. One capsule is dome-shaped and designed for downward ejection ...