It depends on how many excited elements are present that emit UV light. In gener...

		dschuetz on Dec 28, 2018 \| parent \| context \| favorite \| on: New York Sky Turns Bright Blue After Transformer E... It depends on how many excited elements are present that emit UV light. In general arc light is very dangerous to skin from close proximity due to very intense UV radiation per square inch. From afar it could still be dangerous to your eyes when looked at directly.