"Things You Wouldn't Know If We Didn't Blog Intermittently."
15 November 2019
To detect a hidden "nannycam"
Hidden cameras are everywhere nowadays. Travelers especially need to be wary in rented rooms. A WikiHow article shows how to find one using your smartphone.
Note the red dot in the blackness above (from a hidden camera) is not visible light - you could see that with your naked eye. This is infrared light from the spy camera, detected by the front-facing camera on your phone.