A super-intellectual challenge

Investigator Ian Davis writes [from Melbourne, Australia]:

I don’t think I even begin to understand the full import of this editorial, let alone the article, but can anyone argue with my conclusion that God must have a great sense of humor? As if the giraffe and the platypus were not proof enough.

The editorial [or whatever it is], in the February 23, 2006 issue of Nature, begins:

To compute or not to compute?
by Jonathan P. Dowling

Quantum physics aims another blow at common sense: a simple quantum computer gives the right answer, even when it is not run. (Traditionalists be comforted: the computer must be turned on.) Is it possible to get a sensible answer from a computer without even running a program? Yes indeed, report Hosten et al. on page 949
of this issue ? and they have the experimental proof. The thread that leads thus far has its origin in the early 1990s, with the introduction of a quantum paradox known as…

counterfactual.gifThe article is called “Counterfactual quantum computation through quantum interrogation.”