1847 Speculation About Extraterrestrials

In general I would be cautious against … plays of fancy and would not make way for their reception into scientific astronomy, which must have quite a different character. Laplace's cosmogenic hypotheses belong in that class. Indeed, I do not deny that I sometimes amuse myself in a similar manner, only I would never publish the stuff. My thoughts about the inhabitants of celestial bodies, for example, belong in that category. For my part, I am (contrary to the usual opinion) convinced ... th...

 How Technology Makes Us Smarter and More Uncertain

When I do long division or even multiplication I don’t try to remember the intermediate numbers. Long ago I learned to write them down. Because of paper and pencil I am “smarter” in arithmetic. In a similar manner I now no longer to try remember facts, or even where I found the facts. I have learned to summon them on the Internet. Because the Internet is my new pencil and paper, I am “smarter” in factuality. But my knowledge is now more fragile. For every accepted piece of knowledg...