4 ms·
For most of the U.S. population, sunlight isn't enough: https://news.ycombinator.com/item?id=15869454 https://news.ycombinator.com/item?id=15869454
by exhilaration 9y ago
For most of the U.S. population, sunlight isn't enough: https://news.ycombinator.com/item?id=15869454 https://news.ycombinator.com/item?id=15869454