NEWS Γ:•ι• : ^ι Warehouse A warehouse supervisor takes a bicycle tour at Goodyear Tire & Rubber's Beaumont, Tex., plant to check shipping instructions on bales of Natsyn polyisoprene rubber. Goodyear predicts use of synthetic rubber by American manufacturers will reach 1.97 million long tons in 1969
Tire Secretary Nanci Davis holds a Swamp Buggy tire made by Firestone Industrial Rubber Products. The lowpressure lightweight tire, for all-terrain vehicles, pro vides exceptional traction, helps keep the vehicle buoy ant in water, provides propulsion when the unit is afloat, acts as a suspension system, Firestone says
Memory A strand of 20-mil 55-Nitinol (a nonmagnetic alloy of titanium and nickel) was given a "coil memory" by heat treatment, stretched out at room temperature, and a weight attached. This time-lapse photo, made at Battelle Memorial Institute's Columbus labs, shows the wire re turned to its original curled position as the torch is gently applied, then drawn back to its full length as the wire cools
MARCH 3, 1969 C&EN 65
