A laser is usually constructed from two basic elements: a material that provides optical gain through stimulated emission and an optical cavity that partially traps the light. When the total gain in ...

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QR codes are dead, an internet marketing strategist wrote in AdAge in 2013. The murderer: "easier-to-use apps." And yet, four years later, that isn't the case. Apps have become even more prevalent and ...

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Xerri copped a triple blow over the past few days – he was dropped to NSW Cup for Thursday night’s away game against Canberra, told he wouldn’t be re-signed and then ordered to play in the unfamiliar ...