Radio Sphere

If you're reading this - our message has come too late. These creatures - such wonder. We never could have anticipated what we'd find... Humanity had grown accustomed to 250-year life spans, ceaselessly changing technology, and endless media to consume when nuclear detonation causes EMP chain - reaction in the atmosphere to destroy most technology, and with it the population severly reduces over a few generations. In the year 20XX Earth has been changed. Electricity, water, and food have all become scarce. Stubbornly, Elizabeth and George live on.