bandura.

Just things that are annoying me.

You know about this kind of toy doll that no matter how much you hit it it never falls??
Called "Bu Dao Weng" in Mandarin. What's it in English??

And right, x to the power of two is x squared. X to the power of three is x cubed. So what is x to the power of four??

And yes. I have tried Googling it.