Bok
05-28-2013, 08:59 AM
Trucks covered with tiny indentations, like those on golf balls, experience less friction
More... (http://www.sciencenews.org/view/generic/id/350665/title/FOR_KIDS_Smile_Dimples_boost_your_mileage)
More... (http://www.sciencenews.org/view/generic/id/350665/title/FOR_KIDS_Smile_Dimples_boost_your_mileage)