Wile E. Coyote could defy gravity only for as long as he was unaware that he was suspended in midair.
Then - his eyes were always last to take the plunge.
if a crash site is immediately underneath, but you don’t see it... then it isn’t there
Wile E. was on the cutting (or falling?) edge of science...
indeed, ahead of it....
see:
http://blog.oup.com/2011/02/quantum/