Auroras are caused by solar wind and charged particles colliding with Earth’s atmosphere, creating colorful light displays. Both the Northern Lights and Southern Lights can be seen in certain locations during the intense phase of the solar cycle, with the best viewing time in the Southern Hemisphere being from March to September. Auroras occur when […]
Fog lights aid visibility in foggy or misty conditions and are traditionally yellow to minimize scatter. However, the size of water molecules in fog means that the wavelength of the light is irrelevant. Yellow may have been chosen for its connotations with caution. Modern fog lights are often halogen or high intensity discharge lamps. Fog […]
RVs use a variety of interior and exterior lights, including incandescent, fluorescent, and LED bulbs. Many use miniature lamps powered by the 12v battery, and some have two filaments. Exterior lights include taillights, headlights, and awning lights that may require AC or a 12v outlet. Recreational vehicles (RVs) use interior and exterior lights and may […]
A traffic light in Syracuse, New York has a green light at the top and a red light at the bottom due to Irish immigrants’ resentment towards Britain. The light was vandalized until a green light was installed in 1928. Every driver in America knows that red means stop and green means go, but if […]
Aircraft landing lights are required for night flights and are usually located on the nose or wings. Larger commercial planes have multiple lights while smaller planes have one. Taxi lights are wider but shorter than landing lights, and other lights on the aircraft help with identification and safety. Aircraft landing lights are exterior lights usually […]
Jogging lights are small devices used by runners and walkers to stay safe while exercising in low light. They are lightweight and can be attached to an adjustable band worn around the arm or ankle. They can also be built into backpacks and fanny packs. Jogging is a great way to lose weight, maintain a […]
Modem lights indicate the activity between the modem and computer’s hard drive. The interaction is called handshaking, made possible by the UART microchip. Different lights indicate different states, allowing users to monitor the connection. A reset can fix dropped connections. Modem lights are simply the lights found on external modems. Depending on whether the lights […]
Americans spend six months of their lives at red lights, with 4.2 billion hours wasted in traffic in 2007. Traffic congestion costs the US economy over $87 billion USD annually. A significant amount of time is wasted sitting at traffic lights: On average, six months of a person’s entire life is spent at a red […]
Light perception involves receiving and interpreting light from the environment through organs or devices, such as the eyes. Processing occurs to transform sensory input into a meaningful perception, which can be impaired by diseases or disorders. Perception requires processing, so people don’t see an exact replica of the world. Light perception is the process by […]
