NASA reports that an enormous engineered
1. A Tiny Extension to Our DayTime is a resource “none of us can reclaim once it’s gone.” Remarkably, China’s Three Gorges Dam has slightly slowed Earth’s rotation, lengthening a solar day by about 0.06 microseconds, or 60 millionths of a second. 2. How a Dam Can Affect the PlanetBy moving billions of tons of…