From Ray V.:

http://www.universetoday.com/am/publ...t.html?1142005

More details here

http://www.ast.cam.ac.uk/~mim/res.htm

Hmm.. the Void-Spacers might well be asking themselves, what
property/properties of their 'Nothing' could possibly be CAUSING a
change in the fine structure constant (and posibly c) over cosmological
time? oc