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 reason “electricity” is blue is because it ionises the nitrogen in the air, and when the atoms go back to a lower energy state, they shoot photons out.
The reason sparks are orange is because they’re not electricity, they’re just superheated bits of metal.
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