Math & Technology

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people watching a 3-D TV

NOT YET IN 3-D  Though holography has been around since the 1960s, three-dimensional television broadcasts still face technological barriers today. 

robotic perching insect

STATIC CLING  A sticky electroadhesive patch lets this tiny flying RoboBee (motion slowed to one-eighth real time) cling to the underside of a leaf and use far less energy than it uses flying.  

sperm

BOUND  Mouse sperm (left, red) flock to a polymer bead coated with the sperm-binding sections of a protein found around unfertilized eggs (illustration, right). Such beads could someday be used as contraceptives or a method for identifying healthy sperm, researchers report. 

Math & Technology

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