The technical-interview answer: "Mirrors don't reverse left and right. They reverse in and out." Then tell the interviewer that only an idiot would look at a

The technical-interview answer: "Mirrors don't reverse left and right. They reverse in and out." Then tell the interviewer that only an idiot would look at a local coordinate frame and think it's a global one. Just what is he insinuating? This had better not be one of those "stress interviews" people talk about. There's no way in hell you're going to work for a company that will screw around with you on day one just to see how you'll react. Works every time.