Sentences with phrase «by pinger»

ChatMeUp is the social app made especially for teens by Pinger, the makers of textfree.

Not exact matches

For example, writes Scott Kraus, research director of the New England Aquarium's Edgerton Research Laboratory, at one mid-Atlantic shad fishery pingers drove away shad as well as porpoises even though the shad weren't supposed to be affected by the sounds.

In addition, the 777's cockpit voice and flight data recorders — the «black boxes» — each include a «pinger», an ultrasonic acoustic transmitter that, for up to 30 days after submersion, can be picked up by ship or submarine sonar receivers, allowing them to home in on the source.

They were, in fact, «soldier» dolphins, trained by the US Navy to follow a sonic recall device or «pinger», detect explosives, locate lost torpedoes, guard nuclear submarines and possibly even kill divers.