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  2. These popular security cameras are solar-powered — and they ...

    www.aol.com/lifestyle/popular-security-cameras...

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  3. Solar camera - Wikipedia

    en.wikipedia.org/wiki/Solar_camera

    A number of photographers, inventors and photographic businesses contributed to the design development of the solar camera. An antecedent was the solar microscope of c.1740, [5] employed in experiments with photosensitive silver nitrate by Thomas Wedgwood and Humphry Davy in making the first, but impermanent, photographic enlargements.

  4. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    The cameras are used to record details such as gender, age, and ethnicity. Cameras have been used in a southern Chinese city to issue tickets to people for infractions. [85] In India, the cities of Hyderabad and Delhi, the capital, have around 900,000 and 450,000 cameras, respectively. [83]

  5. Traffic camera - Wikipedia

    en.wikipedia.org/wiki/Traffic_camera

    A traffic camera is a video camera which observes vehicular traffic on a road. Typically, traffic cameras are put along major roads such as highways, freeways, expressways and arterial roads, and are connected by optical fibers buried alongside or under the road, with electricity provided either by mains power in urban areas, by solar panels or other alternative power sources which provide ...

  6. Ranger 7 - Wikipedia

    en.wikipedia.org/wiki/Ranger_7

    The spacecraft consisted of a hexagonal aluminum frame base 1.5 meters (4 ft 11 in) across on which was mounted the propulsion and power units, topped by a truncated conical tower which held the TV cameras. Two solar panel wings, each 739 millimeters (29.1 in) wide by 1,537 millimeters (60.5 in) long, extended from opposite edges of the base ...

  7. Facebook Aquila - Wikipedia

    en.wikipedia.org/wiki/Facebook_Aquila

    The drone has a wingspan roughly the same as a Boeing 737, [1] but weighs only 880 pounds (400 kg). [3] Aquila is of flying wing configuration, the upper surface of the wing being covered in solar cells to power the aircraft's four electric motors; batteries, composing half the aircraft's weight, provide power storage for night flight. [1]

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