Leon Maciejowski
Leon Maciejowski voted up Soul Fly's answer

Some scientists believe a large enough solar flare could knock out the power grids on a global scale which would leave the earth in darkness for around a decade or more.

Leon Maciejowski
Leon Maciejowski voted up Soul Fly's answer

Some scientists believe a large enough solar flare could knock out the power grids on a global scale which would leave the earth in darkness for around a decade or more.