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Curved Mirror Applications. In the home. Concave makeup mirrors / shaving mirrors magnify the image (when you are in front of the focal point). At the Dentist – enlarged image of a tooth Inside a flashlight to send out parallel light rays. Solar Ovens. Sunlight is free!
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In the home Concave makeup mirrors / shaving mirrors magnify the image (when you are in front of the focal point)
At the Dentist – enlarged image of a tooth Inside a flashlight to send out parallel light rays
Solar Ovens Sunlight is free! Solar radiation is reflected from a concave mirror to the focal point Temperatures can reach up to 200 deg. C
Archimedes “Death Ray” The Mythbusters have tried three times but with little success…….. Legend is that ancient Greeks lit attacking ships on fire using concave mirrors.
Acoustic Mirrors (sound waves) Built and used before World War 2 in Britain to hearenemy aircraft (1930s) Sound (not light) reflected to microphone No longer used after radar was invented
Radar Technology Concave “dish” that sends and receives radio waves Radio waves are sent out and any waves bounce off of aircraft are reflected from the mirror to the receiver at the focal point. Stealth aircraft can be constructed with small flat surfaces and many angles so they can avoid detection
Security – Convex Mirrors Store security –the store clerk can see what is going on from the counter Border crossings, event security – check the undersides of vehicles
Transportation Safety School buses – allows driver to see in front of the bus Side view mirrors – allow a wider view of the road beside/behind the driver “Objects in mirror are closer than they appear”