First, Take A Picture. Now, Squeeeeze It

There's Humphrey Bogart, strolling through Rick's Cafe. The ceiling fan turns. A wisp of smoke floats by. The black-and-white picture on the personal-computer screen isn't perfect, but you've probably seen worse on TV. Now, the surprise: The entire minute-long clip from Casablanca has been converted into digital computer code and squeezed onto a 5 1/4-inch floppy disk with room to spare. Uncompressed, it would have filled 23 floppies. Exults Michael F. Barnsley, the British-born inventor who pulled off the feat: "This sets the industry on its head."

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