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2. Bicycle lighting - Wikipedia

   en.wikipedia.org/wiki/Bicycle_lighting

   Red light on the back of a bicycle Early bicycle lighting: candle lamps, oil lamps and carbide lamps Early bicycle lamps and two early bottle dynamos (1935). Bicycle lighting is illumination attached to bicycles whose purpose above all is, along with reflectors, to improve the visibility of the bicycle and its rider to other road users under circumstances of poor ambient illumination.

3. Gas-discharge lamp - Wikipedia

   en.wikipedia.org/wiki/Gas-discharge_lamp

   A flicker light bulb, flicker flame light bulb or flicker glow lamp is a gas-discharge lamp which produces light by ionizing a gas, usually neon mixed with helium and a small amount of nitrogen gas, by an electric current passing through two flame shaped electrode screens coated with partially decomposed barium azide. The ionized gas moves ...

4. Harley-Davidson Evolution engine - Wikipedia

   en.wikipedia.org/wiki/Harley-Davidson_Evolution...

   Crank output is purple; cams are red; pushrod/lifters are yellow; rockers are blue; valves are dark green, with seats shown in light green. The unit construction of the Harley-Davidson Sportster , which has essentially been unchanged since its inception as the side-valve 750cc "K" Model in 1952, was retained with the Evolution engine upgrade in ...

5. List of bicycle brands and manufacturing companies - Wikipedia

   en.wikipedia.org/wiki/List_of_bicycle_brands_and...

   This page lists notable bicycle brands and manufacturing companies past and present. For bicycle parts, see List of bicycle part manufacturing companies.. Many bicycle brands do not manufacture their own product, but rather import and re-brand bikes manufactured by others (e.g., Nishiki), sometimes designing the bike, specifying the equipment, and providing quality control.

6. Bottle dynamo - Wikipedia

   en.wikipedia.org/wiki/Bottle_dynamo

   Bottle dynamo mounted on a bicycle. Dismantled bottle dynamo. Left: Housing with internal permanent magnet rotating through the friction wheel. Right: Induction coil. A bottle dynamo or sidewall dynamo is a small electrical generator for bicycles employed to power a bicycle's lights.

7. Trump accuses Biden of knowing more about reported drone ...

   www.aol.com/news/trump-accuses-biden-without...

   Donald Trump accused US government officials, including Joe Biden, of knowing more about the mysterious drone sightings than they have told the public.