Quote Originally Posted by razerdave
Just a quick thing with regards to Titanium, and I may sound like an idiot, but I am genuinly curious: Why are titanium sparks white whereas other stuff tends to be yellow/orange ?

Any thoughts ?
Titanium burns hotter, basically - the dust thrown off by the grinding wheel or whatever is heated to a high enough temperature to burn in the air, and titanium burns white hot rather than only red-orange hot