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...