Although it may seem like an exaggerated visual effect, lightning during a volcanic eruption is a real and documented phenomenon. It forms when ash particles, rock fragments, and g ...

It was drummer Mickey Hart’s 40th birthday. Bassist Phil Lesh donned a sombrero so high and burdensome it strained belief that he could still sing “I Know You Rider” with such feeling (although ...

Abstract: Effect of rectifier circuit on lightning damages on transformers installed in DC traction substation is investigated in this paper. Some field tests are carried out to simulate the damage.