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 ...

Sep 03, 2013 4 / 5 (1) 0

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 ...

Aug 12, 2013 4.6 / 5 (16) 4 | with audio podcast