If you have some official documents to sign, scan and send but don't have a proper scanner ready, don't worry — just follow these steps. David Lumb is a mobile reporter covering how on-the-go ...

Optics and photonics is the study of the fundamental properties of light and harnessing them in practical applications. Optics and photonics covers the entire electromagnetic spectrum from high ...

Modern Retina - ophthalmology news, articles, and events in a timely and accurate manner for members of the ophthalmic community.

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What is a kidney scan? A kidney scan is an imaging test that looks at your kidneys. Your health care provider can also see how well blood is flowing in your kidneys. A kidney scan is also called a ...