Key points from article :
Video of robot carrying capsule across the inside of a model stomach.
Set of tiny caterpillar-like legs that can carry heavy loads.
Moves inside the body even where fluids (e.g. blood, mucous) are present.
Fabricated with a silicon material called polydimethylsiloxane (PDMS).
Embedded with magnetic particles to allow remote control.
Increasing the frequency of applied electromagnetic field increases its speed.
Developed at the City University of Hong Kong.
The study was published in the journal Nature Communications.
