Assertion: sonar's use | /r/HasProperty | recorded by leonardo da vinci
Facets:
value: in 1490
type: TEMPORAL
Source sentences:
text: Although some animals (dolphins, bats, some shrews, and others) have used sound for communication and object detection for millions of years, use by humans in the water is initially recorded by Leonardo da Vinci in 1490: a tube inserted into the water was said to be used to detect vessels by placing an ear to the tube.