Typing with the sensor-equipped glasses. This material relates to a paper that appeared in the July 28, 2017, issue of Science Advances, published by AAAS. The paper, by X. Pu at Chongqing ...

A New Type of Wi-Fi Sensor Keeps an Eye on Older People -- Without Cameras Threshold Care's no-camera sensor plug offers an ideal aging-in-place solution for granny pods, retirement homes and more.

The Amazon Blink Outdoor is an affordable outdoor security camera with useful features. It's probably the option to consider to keep an eye at home if you have a relatively limited budget.