Though it never stopped me, I always thought using a higher-wattage power adapter for my laptop was a bad idea. Turns out, according to this Apple knowledge base article, it’s no big deal at all.
Although you should always use the proper wattage adapter for your Apple portable, you can use an adapter of a higher wattage without issue.
Also, the AC plug that can be used in place of the cord? It’s called a “Duckhead”. You learn something new every day.
(Via Chris Bowler.)