Secret underwater messages could beryllium camouflaged arsenic the clicks and whistles of whale oregon dolphin calls, fooling eavesdroppers by making them judge they are proceeding marine animals.
Marine mammal sounds tin impact military sonar systems, truthful they are usually deemed water sound and filtered out. This makes these carnal signals a stealthy solution for communicating secretly underwater.
Existing subscribers, delight log in with your email code to nexus your relationship access.
Inclusive of applicable taxes (VAT)