To learn what's inside a golf ball - and to show how clever engineers are - Bill uses a special cutter to chop one open - well more than one.

What is inside a golfball and how did it get there? (video)

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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What is inside a golfball and how did it get there? (video)

What is inside a golfball and how did it get there? (video)