Imagine that you’ve just moved to a new city. Whenever you need to go somewhere, you ask a special machine how to get there. But it doesn’t show you a map: it tells you to take twenty steps, turn left, go forward a hundred steps, etc. When you step outside, you’re blindfolded, so...
Imagine that you’ve just moved to a new city. Whenever you need to go somewhere, you ask a special machine how to get there. But it doesn’t show you a map: it tells you to take twenty steps, turn left, go forward a hundred steps, etc. When you step outside, you’re blindfolded, so...