English inventor Charles John Roswell patented the first graphoscope in 1864. The graphoscope, a device to enhance viewings of photographs and other still images, consists of a round magnifying glass ...

Q We found this device while cleaning out our mother’s home of 60-plus years. I remember seeing it as a child, and being told it was a machine for exercising the eyes. The underside is marked ...

3D has long been subject to myths and conjecture. There has been relatively little hard science studying viewer reaction to 3D images, and almost none specifically on 3D TV. This past summer, Disney ...

“Why you can trust Digital Trends – We have a 20-year history of testing, reviewing, and rating products, services and apps to help you make a sound buying decision. Find out more about how we test ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The flexible four-channel architecture of the Aeromax-TV audio processor is designed to keep the ...