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An LED strip, tape, or ribbon light is a flexible circuit board populated by surface-mount light-emitting diodes (SMD LEDs) and other components that usually comes with an adhesive backing. Traditionally, strip lights had been used solely in accent lighting, backlighting, task lighting, and decorative lighting applications, such as cove lighting .
Full-voltage vs. parking light headlamp on European-market Volkswagen, 2007. Depending on prevailing regulations and equipment, vehicles may implement the daytime-running light function by functionally turning on specific lamps, by operating low-beam headlamps or fog lamps at full or reduced intensity, by operating high-beam headlamps at reduced intensity, or by steady-burning operation of the ...
Spoon front brake operated by handlebar lever and connecting rod on an 1899 Royal Riley Tricycle at the Heritage Motor Centre, Gaydon, England. Early motorcycles which were essentially a bicycle with a motor attached and did not have any braking system beyond cutting the power and waiting for the motorcycle to slow down enough to put a foot out.
A painting by British artist George Stubbs is expected to sell for up to £2 million ($2.5 million) in London next week, as it comes to auction for the first time in more than 50 years.. The 18th ...
Antonio Pascual was hanging Christmas lights when he threw them over a high voltage powerline and was electrocuted, the medical examiner said. 24-year-old man dies after being electrocuted while ...
An OLED emits light due to the electroluminescence of thin films of organic semiconductors approximately 100 nm thick. Regular OLEDs are usually fabricated on a glass substrate, but by replacing glass with a flexible plastic such as polyethylene terephthalate (PET) [1] among others, [2] OLEDs can be made both bendable and lightweight.
“A malfunctioning traffic light should cycle to a flashing red or yellow (light), and drivers should react accordingly,” Lt. Fred Carnes with the Columbus Police Department told McClatchy News ...
Since these materials have a high index of refraction, [note 1] design features of the devices such as special optical coatings and die shape are required to efficiently emit light. A LED is a long-lived light source, but certain mechanisms can cause slow loss of efficiency of the device or sudden failure.