# Pure energy
Abdul Ghani
MIT Engineers Successfully Demonstrated A Camera That Draws Power From Dolphin Chatter
Sound waves replace batteries in a new underwater camera and can also be used for communication. In what state of health are the sea creatures? Is there enough left or is the region already overfished? Questions that are not so easy to answer. Underwater cameras, which observe animals like camera traps on land, are not so easy to use in the sea.
2022-09-30