Un estudio sugiere que las cintas transportadoras de los aeropuertos no nos hacen ganar tiempo

Models predict that when a person steps onto a moving walkway, they slow their foot speed by about half the speed of the walkway. This suggests that our desires to conserve energy and to resolve the conflict between visual cues and leg muscle signals - your eyes tell you that you are going faster than your legs are taking you - slow us down so that our total speed is only slightly greater than it would have been on regular ground.

[#1 Golan_Trevize]

Está bastante duplicada ya:
http://meneame.net/search.php?q=cinta transportadora
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