The material from the cooker is screened — after it has fully cooled — to separate the dust from the usable charcoal chunks leftover ... so I went to the drawing board to develop a burner ...

Robert Gorder doesn’t mind getting his hands dirty for the sake of art. The Baraboo man brings charcoal images to life through two businesses: Rethought Drawings and Charcoal Expressions.

We’re dazzled by digital animation in Up and Avatar, but William Kentridge delivers as much visual wizardry with a chunk ... of charcoal? Opening today at the Museum of Modern Art an exhibition ...