News tagged with visual field

Video: The Sun reverses its magnetic poles

This visualization shows the position of the sun's magnetic fields from January 1997 to December 2013. The field lines swarm with activity: The magenta lines show where the sun's overall field is negative and the green lines ...

dateDec 09, 2013 in Space Exploration
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Parrots do tricks without looking

( -- Ornithologists at the University of Birmingham have discovered that parrots cannot see what they are doing when they carry out the tricky manipulations of objects, for which they are renowned. While parrots ...

dateApr 29, 2011 in Plants & Animals
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