Cheddite is an
explosive compound used as a
primer for
shotgun cartridges. It contains 90%
potassium chlorate[?], 7%
paraffin, 3%
petroleum jelly[?], and traces of
carbon black[?].
Cheddite was also a fictional substance described in a comic
science-fiction novel by
Harry Harrison. It was made by irradiating
Cheddar cheese, and enabled faster-than-light travel.