Taking the idea of silent tracking to its logical extreme, Indian firm SilverPush has been using inaudible sound to let brands keep tabs on people's online lives across TVs and smartphones for more ...

The sound design in Christopher Nolan’s movies is known to generate frustration among moviegoers, but it turns out Nolan’s fellow filmmakers have also expressed annoyance with being unable to hear the ...

Microphones, from those in smartphones to hearing aids, are built specifically to hear the human voice -- humans can't hear at levels higher than 20 kHz, and microphones max out at around 24 kHz, ...

This news release is available in German. Are wind farms harmful to humans? Some believe so, others refute this; this controversial topic makes emotions run high. To give the debate more objectivity, ...

SINGAPORE (Reuters) - Ultrasound - inaudible sound waves normally associated with cancer treatments and monitoring the unborn - may change the way we interact with our mobile devices. Couple that with ...

Sound with a frequency below 20 Hz is inaudible to human ears. Scientists' ears, however, are very interested in this 'infrasound'. Sources of infrasound are often large and powerful, like meteors, ...

A newly discovered threat uses inaudible, high-frequency sounds to stealthily track an individual’s online behavior across devices such as smartphones, TVs, tablets, and computers – a method better ...

Almost a year after app developer SilverPush vowed to kill its privacy-threatening software that used inaudible sound embedded into TV commercials to covertly track phone users, the technology is more ...

Earlier this month the U.S. State Department disclosed that several Havana-based diplomats have experienced “incidents which have caused a variety of physical symptoms.” Secretary Rex Tillerson said ...

A tornado reportedly touched down in Pennsylvania Wednesday night, causing structural damage and power outages. There was little proper warning issued for this severe weather and potential tornado, ...

Researchers have designed a sound that is completely inaudible to humans (40 kHz or above) yet is audible to any microphone. The sound combines multiple tones that, when interacting with the ...