A new post is available over at Second-Rate Minds by Peter Rowlett.

The light bulb puzzle presents you with three switches, one of which controls a light bulb inside a closed room. You are permitted to flip switches as much as you like, then you must open the door and say which switch controls the light bulb. You don’t seem to have enough information. You can …

Read the full post: “Why the hot light bulb annoys me“