CmdrTaco from the gimme-1080i-now-already dept.
stlhawkeye writes "Broadcasters have recently accepted a deadline of January 2009 for the mandatory end of analog television signal broadcasts. Broadcasters have expressed concerns that those without subscription television services will see blank screens unless they buy new units. "
We warn the reader in advance that the proof presented here depends on a
clever but highly unmotivated trick.
-- Howard Anton, "Elementary Linear Algebra"