News tagged with spectrum

Making plants' inner qualities visible

A photographic airplane circles above an Australian vineyard in large arcs. An onboard camera takes pictures of the grapevines in regular intervals – anything but ordinary photos, though. Instead, this camera "looks" directly ...

dateSep 03, 2013 in Engineering
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A new light wave

Hold a magnifying glass over the driveway on a sunny day and it will focus sunlight into a single beam. Hold a prism in front of the window and the light will spread out into a perfect rainbow. Lenses like these have been ...

dateAug 12, 2013 in General Physics
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