Archive link: https://archive.ph/fHHXD Imagine an alien civilization that runs on dazzling technologies far more advanced than our own. Picture city-size starships, planet-wide mines or swarms of solar panels that harvest energy directly from a star. As these aliens go about their otherworldly business, the erosive forces of space wear down their infrastructure, loosening tiny bits of debris that detach and drift into the cosmos. If the civilization collapses, its remains degrade even faster....

11/ Real energy abundance means piped natural gas at $4, nuclear plants running at 90% capacity for 100 years, and domestic oil production that cannot be disrupted by a drone strike, not solar panels at the supermarket.