What is the flame-like pattern detected in this image near the hammer of a metal worker?

by user84798   Last Updated May 15, 2019 13:18 PM - source

First, I'm new to StackExchange, so I apologize if I'm posting in the wrong area...

What is the strange visual element emanating from the hammer in this picture? It looks like an upside-down white flame. I wondered if it was light reflecting from the hammer handle, but it looks different from what I'd expect for that, with little flecks present outside the arc that a light trail would create.

The photo is of a metalworker in action, and the hammer had just struck the metal when I took the photo.

What is this?

enter image description here

enter image description here

Tags : physics

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