When light reflects off a surface, not all of it reflects off at the same wavelength; some photons impart a portion of their ...

Once upon a time, there was a bit of a fad for fingerprint authentication in laptops and desktop computers. It has long since ...

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 ...

Britain's royal family has been collecting art for 500 years or so. They've got an awful lot of it – 7,000 paintings alone, plus tens of thousands of watercolours, drawings and prints. Technically, it ...

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