An AV amplifier or receiver is the beating heart of any home cinema setup. While its primary role is to drive your attached speaker system, an AVR does so much more than that. It acts as the ...

Infrared spectroscopy (IR spectroscopy) is an optical technique that detects molecular bond vibrations and rotations upon absorption of infrared light. Because different chemical functional groups ...

TV and home video editor Ty Pendlebury joined CNET Australia in 2006, and moved to New York City to be a part of CNET in 2011. He tests, reviews and writes about the latest TVs and audio equipment.