Driving down the road yesterday they were repairing some electrical lines and I guess one of them sparked and it left a trail of blue sparks on the ground. But when I hook up a battery and short it with a wire sparks appear an orangish-yellow color.
Anyone know why?
In: Engineering
The discharge also forms O3 (ozone) which is why people often claim to smell rain, as distant storms can create enough to be smelled at a distance. St. Elmo’s fire – Walter Lewin has a video on his MIT EM Physics channel. RIP you wonderful genius.
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