�������t¶��

Among those open to the completely inexperienced are Flying Dance and Intro to Tightwire.

“The reason circus has survived is that it’s adapted and changed,” said Tobin, who majored in the disciplines of tightwire and aerial rope.

Among those open to the completely inexperienced are Juggling for the Masses, Improvisation Comedy, Intro to Basic Circus Skills and Beginning Tightwire.

The broadcasts of his tightwire walks draw widespread interest.

His favorite, though, may be Bradley Cooper’s tightwire act of control and chaos in “American Hustle” — “Icarus with a bad perm,” Mr. Lee says.