In extreme cases, sonic weapons can cause nausea, dizziness, and even permanent damage. In this case, officials used it to ...

Learn how to make a simple electric doorbell at home in this step-by-step tutorial. Using everyday materials like cardboard, ...

A woman’s Ring doorbell camera captured a chilling encounter with a stranger who approached her as she attempted to unlock ...

Watch California man watches firefighters save his home through his doorbell camera – then gets to thank them Video Online, on GlobalNews.ca ...