Since you asked: http://lifehacker.com/5693309/how-to-install-android-on-an-i...

But that would require JailBreaking and voiding the warranty. An even more interesting question would be can we install iOS on an Android device without breaking the warranty? or are we in a state where all hardware warranties are determined by the OS on it?

That project hasn't been updated in years, and the home page has lapsed for lack of payment.