There are only two ways to get digital audio between your TV and soundbar, or your TV and receiver, or really between any piece of gear that transmits audio in a home A/V system: HDMI and optical.

If you want to connect your new TV to a soundbar or receiver, the easiest way to do it is with an HDMI cable. Nearly all modern TVs and audio gear have an HDMI feature called Audio Return Channel. ARC ...

Douglas Belkin covers higher education and national news out of the Chicago bureau. Advocates who helped abolish affirmative action have set their sights on the longtime practice of giving preferences ...

Optical techniques are methods that use light to probe or control matter. One prominent example is optical spectroscopy, which includes such methods as pump–probe spectroscopy, Raman spectroscopy and ...

Our lens reviews offer detailed information on sharpness, distortion, bokeh, and all the other important factors that go into making a lens great. Our reviews give you all the information you need to ...

Optical spectroscopy encompasses a wide variety of techniques used to study how matter interacts with light. Optical spectroscopy techniques are used in physics, astronomy, chemistry, biology, and ...