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.

Sound is a type of energy made by vibrations. When an object, such as a guitar's string, vibrates it causes air particles around it to vibrate too. This causes the air particles next to those to ...

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