April showers bring May flowers. But in this case, the blossoms are too small for even a bumblebee to see.
Engineers
at Harvard University have figured out a way to make microscopic
sculptures of roses, tulips and violets, each smaller than a strand of
hair. http://www.npr.org/blogs/pictureshow/2013/05/20/185509508/nanogardens-sprout-up-on-the-surface-of-a-penny
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