Louise's next trick was to turn a fishbowl completely invisible. The audience gasped collectively. "Bob, do you think any of them know about the great fish uprising from our aquatic brothers and sisters that'll wipe out the entire human species in the next five years? Dolphins will be their emperors! Octopuses their warlords!" "Probably not, Dave. Just let 'em enjoy their magic show and try to stop bumping into me mate."