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2. Tested: The Best LED Headlights of 2023 - AOL

   www.aol.com/tested-best-led-headlights-2023...

   As automotive lighting improves, LEDs are emerging at the lead. Offering remarkable vision and longevity, they are a go-to for many safety-minded drivers.

3. Parabolic aluminized reflector - Wikipedia

   en.wikipedia.org/wiki/Parabolic_aluminized_reflector

   Between 1940 and 1956, all U.S. cars had to have two 7-inch (178 mm) round headlamps with dual filaments, so each lamp provided both a high and a low beam light distribution. In 1957, a system of four sealed-beam headlamps—two per side, of 5 + 3 / 4 inches (146 mm) diameter, was allowed in some U.S. states. The following year in 1958, all ...

4. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   However, the bright headlights have given rise to complaints about glare. [10] HID lamps are used in high-performance bicycle headlamps, as well as flashlights and other portable lights, because they produce a great amount of light per unit of power. As the HID lights use less than half the power of an equivalent tungsten-halogen light, a ...

5. Headlamp - Wikipedia

   en.wikipedia.org/wiki/Headlamp

   A headlamp is a lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise usage, headlamp is the term for the device itself and headlight is the term for the beam of light produced and distributed by the device.

6. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Ceiling fans were proven to have a more significant effect on the droplet and airborne transmission when the coughing infected person is located directly under the ceiling fan. Ceiling fans offer better protection from cough exposure for people located closer to the fan center, where the directed airflow changing particle trajectory downward to ...

7. Headlamp (outdoor) - Wikipedia

   en.wikipedia.org/wiki/Headlamp_(outdoor)

   [citation needed] The headlamp is strapped to the head or helmet with an elasticized strap. [1] Some headlamps have a separate battery pack connected by a cable, to be carried on a belt or in a pocket. [1] Headlamps may be held in place by a single band around the head or (particularly heavier ones) have an additional band over the top of the head.