Researchers at the Georgia Institute of Technology have created a passive motion/contact sensor that detects motion using only sound. Without electricity, electronics, or batteries. The sensors are ...

Getting gifts from your family and friends’ wishlists is easy, but getting them something meaningful will make them grateful forever. You'd be surprised how inexpensive it is to make your own cheap ...

Video: A combination of movement sensors and ultrasound emitters might lead to versatile motion capture systems for controlling computers Video games like Dance Dance Revolution could soon require ...

Jon Gilbert is a Features Writer for Android Police. I've covered Android since 2021, focusing on writing features and guides about Android apps and features that directly affect users. I've attended ...