On the back of so many old stretch limousines, a small chrome “boomerang” juts up from the rear quarter like a piece of abstract sculpture. It looks decorative, even a little mysterious, which is why ...

He throws it into the sky as art, and it comes back as science. Local artist Chris Lohan says a boomerang is both: a curved, sleek figure in the sky one moment and a restful slab of wood in his hand ...