Bill uses slow motion video to show the ingenious engineering design of the apparently simple tab of a pop can. To create a tab with the least amount of material it changes from a 2nd to a 1st class lever while opening the can.

Pop Can Stay-on tab: An ingenious engineering design

Bill Hammack's audio and video work emphasizes the creative role of engineers in designing and creating our world. He's a regular commentator on radio - based at Illinois Public Radio in Urbana he's appeared on public radio's premier business program Marketplace, and on Radio National Australia's Science Show. Many engineering, science, and journalistic groups have recognized his work.

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Pop Can Stay-on tab: An ingenious engineering design

Pop Can Stay-on tab: An ingenious engineering design