: The Glenn Research Center provides reports and guides on how shape affects drag, noting that a flat plate can produce 30 times more drag than a streamlined airfoil.
: Specialized reports cover technologies to reduce drag in cars and trucks, which can improve fuel efficiency by up to 7%. drag-free-download
Commissioned by the European Union and authored by Mario Draghi, this report addresses the future of European prosperity. : The Glenn Research Center provides reports and
: The Playing with Physics app is a free download for simulating drag forces in different environments. drag-free-download