Sub-wavelength optics is the study of light on a spatial scale smaller than its wavelength. Conventionally, the minimum length scale on which a beam of light can operate is equal to half its ...
The second model to arrive in the UK from Chinese brand Geely is the new Geely Starray EM-i, a plug-in hybrid SUV set to rival offerings like the Citroën C5 Aircross, Ford Kuga and MG HS. Two setups ...
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