Researchers have developed a sensor that uses energy from sound waves to control electronic devices. It could, one day, save millions of batteries. Sensors that monitor infrastructure, such as bridges ...

Don't like scammers? You won't like burglars either. See your best security system. Glass break sensors use sound or vibrations to detect breaking glass. Sensors range from simple mechanical switches ...

João has been covering the tech world for over 7 years, with a heavy focus on laptops and the Windows ecosystem. I also love all things tech and videogames, especially Nintendo, which he's always ...