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
No, not quite.
Ionization of the air causes the blueish sparking. Orange, yellow or other sparks are from the metal conductors used.
Its the same sort of thing used in fireworks – certain chemicals and compounds give a particular flame.
Its really as straightforward as that.
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