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Nanoflowers, each smaller than the thickness of a dollar bill, sprout up spontaneously on a surface dipped in salts and silicon.
Courtesy of Wim Noorduin/Harvard University
May 21, 2013 Engineers have figured out a way to get crystals to form rose and tulip sculptures, each smaller than a strand of hair. The gardens sprout up on a penny dipped in a salt solution. The technique is similar to 3-D printing and could one day be used to make any complex shape.
Caren Alpert's images of food magnified with an electron microscope.
Courtesy of Caren Alpert
July 20, 2011 Food photography gets high-tech when Caren Alpert uses a scanning electron microscope.
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