What's a simple example of a bijection of $\mathbb R \rightarrow \mathbb R^2$? How about for $\mathbb R \rightarrow \mathbb R^n$?

Question

What's a simple example of a bijection of $\mathbb R \rightarrow \mathbb R^2$?  How about for $\mathbb R \rightarrow \mathbb R^n$?

experimentx · Answer

anonymous · Answer

I know about space-filling curves at least... though I'm looking for something more algebraic and quantitative over qualitative.  Thanks, though. :-)