Touch buttons have become a normal part of modern electronic devices. Smartphones, tablets, control panels, appliances, cars, and many other products now rely on flat touch-sensitive surfaces instead of traditional mechanical buttons. While these interfaces look clean and modern, they have one important limitation: they do not physically “click.” A mechanical button gives users several types of feedback at once. You can feel the button move, sense a small vibration, and often hear a click. This combination makes it clear that an action has been registered. Now, Quang Van Duong and his team have developed a new type of extremely thin, or “skinny,” touch button that can bring this experience back. The technology can generate both haptic vibrations and audible sounds from the same thin structure, potentially making virtual touch buttons feel much more like physical buttons. Why Touch Buttons Lack the Traditional Click Mechanical buttons are effective because they naturally provide ...