The world seems to be changing fast these days. Or maybe it's just me getting old. This planet has always seen bursts of rapid development, from hunter-gatherer to agrarian--okay, maybe not that, but aviation between 1914 and 1919, for instance. So many things have happened since World War II. Television has gone from limited availability analog black-and-white broadcast to unlimited high definition digital satellite-direct, interactive. Computers have gone from massive mechanical devices, to analog vacuum tube monstrosities, to analog transistor monstrosities, to digital microchip handheld devices. One iPhone now has more computing power than all of the computers in existence in 1968 combined. Sadly, human space travel hasn't gone very far in the last forty years, but unmanned exploration has discovered amazing things--few answers, but lots of new questions. Many "advancements" in chemistry and biology have been ill-advised and potentially disastrous, but the w
Comments
Post a Comment