Washington University Researchers have discovered that voice assistant programs like Siri can be hacked with ultrasonic sound waves that go undetected by human ears - but you probably won't have to ...

It’s well known that many animals are particularly sensitive to high-frequency sounds that humans can’t hear. Many commercial pest repellers based on this principle are available, most of them ...

PERSUADING pests to leave buildings through the use of ultrasonics – sounds higher than the human ear can detect – is not a new concept, nor is the use of recorded predator calls. But Martley ...