The hybrid disc works by making the Blu-ray layer act like a two way mirror, reflecting enough light for Blu-ray playback, but letting enough light through for HD DVD operation.

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It becomes like a funhouse mirror, strangely reflecting the humans looking into it.

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And when its aluminium coating is replaced with silver in a year or two's time (a huge vacuum-chamber housed at the telescope's base will be used to deposit metallic vapour on to the mirror's reflecting surface), it will be able to see into the infra-red with equal clarity, opening up a much neglected area of astronomy.

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European populations have mixed so extensively with their neighbours that their genes mirror geography, rather than reflecting the paths of human migrations or language families.

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It holds a mirror up to the world, reflecting the progress we have achieved and the obstacles still to be overcome.

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These are physical blockers which protect the skin by either deflecting sun rays or reflecting them away from the skin, like a mirror.

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The peripheral utilizes three small drop down displays -- the rear is a full mirror with two half mirrors in front it, reflecting images from the phone display into what appears to be a three-dimension object -- and really, it a stunning little effect.

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