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Bubble blower.(PHYSICAL/MATTER)(colored bubbles)

Science World

| March 27, 2006 | Crane, Cody | COPYRIGHT 2006 Scholastic, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

Toy inventor Tim Kehoe took 11 years to create the world's first colored bubbles. Why did "Zubbles" take so long to invent?

Kehoe had to search for a dye that would bond with the molecules, or two or more atoms joined together, that make up a bubble. Most dyes didn't attach to the molecules. So instead of coating the bubble in a vibrant hue, the dye just pooled in an inky puddle at the bottom of a clear bubble. After thousands of tries, Kehoe finally found a molecule-bonding dye. But it wasn't perfect: "If the bubble landed on your skin or clothes it would stain for weeks," says Kehoe.

So Kehoe hired a ...

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