Abstract
To the Editor:— Vision is a chemical process and, though rapid, it takes time. It takes 1/10 of a second from visual impression of danger to application of one's foot to the brake pedal. If at the crucial moment the retinal image is burned out by a flash of light from your car's windshield wiper, much might happen at 60 mph. (88 ft/sec) in that 1/10 of a second. The National Traffic Safety Agency has recommended that nonreflective surfaces be used on windshield wiper arms on cars built after 1968, but a lot can happen before then. For the interim, I have a suggestion, something I've been doing for years: Get a can of flat black enamel and an inexpensive child's watercolor brush. The enamel sticks surprisingly well to the chrome even after two years. Life is so wonderfully full, I'll do anything that might prolong it—even painting that lovely
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