Some people are said to have a magnetic personality - and that has nothing to do with this week's topic. Magnetism is awesome, it's like telekinesis for rocks. From ancient Greek dirt to modern magnetic monsters, we talk about the phenomenon of magnetism.

If you want to know basic facts about the combustion engine, obscure trivia about a science-fiction franchise, or you just like to watch people argue back and forth without anybody seeming to learn anything, then Wikipedia is the place for you. And it's free.

RVJA.