News tagged with sunlight

Image: The colors of sunset over the ISS

ESA astronaut Samantha Cristoforetti took these images from the International Space Station during her six-month mission. The Progress cargo ship and Soyuz crew spacecraft reflect sunlight as our star sets behind Earth.

dateMar 26, 2015 in Space Exploration
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Video: Sunglasses on demand

Apart from their style, sunglasses have changed very little in the last few decades. Photochromic lenses that change from clear to tinted in sunlight were a big breakthrough.

dateMar 17, 2015 in Materials Science
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