Snap, Crackle and Pop The first derivative of position with respect to time is velocity, the second is acceleration, and the third is jerk. The fourth is snap, or jounce, while the fifth and sixth are sometimes called crackle and pop. Snap, Crackle and Pop Snap, Crackle and Pop are the cartoon mascots of Kellogg's crisped-rice breakfast cereal Rice Krispies. The gnomic elves characters were originally designed by illustrator Vernon Grant in the early 1930s. The names are an onomatopoeia and were derived from a Rice Krispies radio ad: The first character appeared on the product's packaging in 1933, Grant added two more and
Heap's Rice Mill Heap's Rice Mill Heap's Rice Mill was a rice mill founded by Joseph Heap with Joseph Heap & Sons Ltd. in either 1778 or 1780 on Pownall Street in Liverpool, Merseyside. It originated as a rice mill, with warehouses added and later combined into a single building. The rice in Kellogg's Rice Krispies was once ground at Heap's. It is constructed in brick with some sandstone dressings, and has roofs of slate, tiles and corrugated sheeting and a frame of timber and cast iron. The building has a square plan, and is mainly in seven storeys. Until about the 1880s,