Perhaps its greatest moment came in 1979 when it was the first telescope to observe a gravitational lens, an effect where a "massive" object bends electromagnetic radiation such as light around it.

BBC: Aye to the telescope

Appliance usage may be a main effect variable in epidemiologic studies of health impacts of electromagnetic fields.

FORBES: The Truth About Risks, Benefits of the Smart Grid

As those rays interact with the upper atmosphere, the effect would be to create an immense burst of electromagnetic energy.

CENTERFORSECURITYPOLICY: EMP and you