We could not resist the idea that ancient sounds had been recovered from pottery grooves. The idea was so fascinating that we didn't stop to read the website involved carefully enough. It's actually a brilliant hoax posted last April 1. This is especially ironic, because we have a notoriously bad habit of posting hoax stories on April 1...
The video you can view by clicking on lier la video in this link contains sounds that have been derived by analyzing the grooves laid on a piece of pottery that was made at Pompeii over 2,000 years ago. There are words and, amazingly, human laughter. It's not a joke, but a serious archaeological effort. It seems that pottery all over the world...
There are sound waves so low in frequency that we humans can't hear them, but they may be the secret behind both animal communication and haunted houses. Human ears detect sounds in the frequency range of 20 to 20,000 Hertz (cycles per second). Anything below 20 Hz are called infrasonic waves, which can't be heard by us, but we can experience...