The remaining limitation is high-density use cases; for example, a passenger jet needs to get a lot of power from a source light enough to fit on the plane. So far batteries can’t do that. The solarists are undaunted: you can use solar power to “mine” carbon from the air and convert it into fossil fuels, then use the fossil fuels on the plane.... See more
@BigMeanInternet years ago, I launched a startup called @Beetswap so that people who liked beets, but not the greens, could trade with people who like the greens, but not beets. But bizarrely it didn't take off.