To answer that question, none of the computing power is used towards anything but verifying transactions and - the real work here - solving hashes to generate more bitcoins.
There's plenty of discussion on what this cloud-supercomputer could be doing in addition to its current task. Problem is, the nature of mining introduces several limits on the types of computational problems miners try to crack.
There's plenty of discussion on what this cloud-supercomputer could be doing in addition to its current task. Problem is, the nature of mining introduces several limits on the types of computational problems miners try to crack.
https://bitcointalk.org/index.php?topic=203.msg3669#msg3669
Here's a post describing the qualities a bitcoin-appropriate computational problem would have.