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A street lamp mounted on a bracket and column A high pressure sodium street light fixture. Street light interference, sometimes called high voltage syndrome, is the claimed ability of individuals to turn street lights or outside building security lights on or off when passing near them. [1]
Rotor tip lights produce a visually similar but distinct effect. The effect is often and incorrectly believed to be an electrical phenomenon, either as a result of static electricity as in St. Elmo's Fire , or due to the interaction of sand with the rotor ( triboelectric effect ), or a piezoelectric property of quartz sand.
Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam.
The ferocious wildfires turning the Los Angeles area into a raging inferno are being fueled by "hurricane force" Santa Ana winds that have already prompted the evacuation of tens of thousands of ...
And three neighbors came and carried me out and came back and put out a little fire in the guest house and saved me." Dick Van Dyke back in Malibu home days after initial evacuation ️🎈 ️ ...
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Timers can be used to turn off standby power to devices that are unused on a regular schedule. Switches that turn the power off when the connected device goes into standby, [30] or that turn other outlets on or off when a device is turned on or off are also available. Switches can be activated by sensors.
In New Zealand, where they drive on the left, when a road is given a green light from an all direction stop, a red arrow can continue to display to turning traffic, holding traffic back while the pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).