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• Commented on A deceptively simple question
  Unless governments are very effective at controlling the new technology, it should make it a easier to move contraband, human and otherwise, across borders. For a North-South border, have a robocar waiting just North of the border when you cross....
• Commented on A deceptively simple question
  Countries with a greater share of their freight traveling by truck would benefit more. So would cities and regions with congested roads. Expect governments to impose regulations to make it harder to use them as suicideless kamikazes: mandatory LoJack, tighter...
• Commented on A deceptively simple question
  "Each beater simply has to have enough smarts to make a kamikaze run at the MBT." This is not easy or simple. Recognizing a target and then hitting it when it dodges while shooting back and laying down smoke is...
• Commented on A deceptively simple question
  A flying drone is going to be even more effective when paired with a Big Dog on the ground to act as a Forward Air Observer....
• Commented on A deceptively simple question
  The costs quoted by George Herbert for water transport seem to be seriously flawed. Ton/miles for exports seem to be only for getting the cargo to the edge of US territorial waters. Cost seems to be for the entire trip....
• Commented on A deceptively simple question
  Something the size of a weaponized Segway has interesting possibilities for special forces and intelligence gathering. They could be air dropped from cruise missiles and self destruct at the end of the mission, with nor risk of having one of...
• Commented on Parasites
  I still remember the symbiont in Sturgeon's The Girl Had Guts...
• Commented on Time tourism: some reaction shots
  aggray: I would say that the Roman, Venetian and Florentine republics failed because of flawed constitutions. Even so, Venice lasted over 600 years. Athens, in its final variant on democracy, seems to have managed fairly well up to the time...
• Commented on Time tourism: some reaction shots
  Venice and the Swiss had republics prior to the Reformation. Will McLean...
• Commented on Time tourism
  I think you're onto something. Even the Le Guin time travel story April in Paris has a male viewpoint character as time traveler. The 1482 alchemist accepts 1961 male professor much more smoothly than he would a woman....