A team of zoologists, animal behaviorists and engineers from the Natural History Museum of Denmark, University of Copenhagen, the Max Planck Institute of Animal Behavior and the Technical University of Denmark has developed a device for tracking wild animals using their movements as a kinetic energy source. Their study is reported on the open-access site PLOS ONE.
Click here for original story, A tracking device that uses animal movements as a power source
Source: Phys.org