xkcd: Why Asimov put the Three Laws of Robotics in the order he did

Source: xkcd: The Three Laws of Robotics The Three Laws from the Wikipedia article: A robot may not injure a human being or, through inaction, allow a human being to come to harm. A robot must obey the orders given it by human beings except where such orders would conflict with the First Law. A robot must … Continue reading xkcd: Why Asimov put the Three Laws of Robotics in the order he did

xkcd: Spacecraft and launch vehicle payloads, in horses

  Similar to the relative spacecraft and rocket sizes I linked to the other day, here's xkcd's version, in horse units.  At first I thought he was referring to horsepower, but then I realized it was horse mass.  (Click through for full sized version.) via xkcd: Payloads. It's worth noting how large the Saturn V and … Continue reading xkcd: Spacecraft and launch vehicle payloads, in horses