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Zubbles

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Soap bubbles are fun. If you have ever watched a baby play with blown bubbles for the first time, or seen a dog snap at them, or given a child a bubble bath, then you know how magical they can be. How could you possibly improve on such a simple yet fascinating amusement? Tim Kehoe though it would be nice if they were colored. Kehoe is a toy inventor, and colored bubbles became his life's work. Going into the project, he didn't know it would take 15 years and $3 million to complete. You'd think it would be a simple matter of adding dye to the soap mixture, but there were problems.

Standard food coloring or dyes have no effect; they simply run down the sides of the bubble, creating a drop of color on the bottom. Other dyes can stain bubbles, but when they pop they also stain clothes, dogs and eyes, as Kehoe discovered during one accident. Other tests, including one for a bubble dye that washed out, didn't fare much better.

"I thought a washable bubble was a great idea," said Kehoe. "But the kids (of a large focus group) were covered head to toe in red dye. It looked like a scene from Braveheart."

In 2005, the Kehoe won the Grand Prize for Innovation from Popular Science for his Zubbles. At the time, we thought we'd be able to get our own Zubbles soon. Two years ago, we expected to see this product on the market any day. 250_zubblesThat was an optimistic promise.  But he persevered, and now the product he calls Zubbles is available to the public. So far, the bubbles only come in pinks and blue, sold separately for $14.95. That's for a mere four ounce bottle. The latest dye technique makes your clothing pink (or blue) but is supposed to disappear in about 15 minutes. A commenter elsewhere provided the first customer review I'd seen, and said the bubbles are less than impressive; that the dye pools at the bottom of the bubbles as in earlier prototypes, and that the dye hadn't disappeared from her clothing, but it washed off her skin easily. You can see a video made by another customer here. Maybe for this one, I'll wait until they get the bugs worked out before I place my order.

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Mike Mozart, Flickr // CC BY 2.0
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Knock-Off Versions of Nerf Ammo Can Cause Serious Eye Injuries
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Mike Mozart, Flickr // CC BY 2.0

Nerf toy guns and their foam projectiles, as marketed and manufactured by Hasbro, are virtually harmless when used as instructed. But, as reported by CNN, a recent paper in the UK medical journal BMJ Case Reports is providing a reality check when it comes to using the mock weapons and off-brand ammo improperly.

Three unrelated patients were treated at Moorfields Eye Hospital in London with ocular injuries that were sustained as a result of being "shot" with Nerf guns. Two adults had bleeding and inflammation in the eye; one 11-year-old had bleeding, inflammation, and damage to the outer retinal layer. All three suffered what the paper described as "significant ocular trauma." Attending doctors treated their swelling, and all symptoms resolved within a few weeks.

So what happened? In the case of one patient, a Nerf play session went awry as a result of using non-licensed ammo that isn't subject to Hasbro's quality control measures and may be made of harder materials as a result. On their Nerf landing page, Hasbro cautions users to "never modify any Nerf blasters or other Nerf products. Use only the darts, water, rounds, and discs designed for specific Nerf blasters."

Pediatric ophthalmologists interviewed by CNN recommend that protective eyewear be used whenever anyone is playing with Nerf weapons. It's also advisable never to aim for the face when shooting and to avoid attempting to modify the weapons to shoot faster or farther.

[h/t CNN]

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Watch Craftsmen Shape Gobs of Molten Glass into Colorful Marbles
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iStock

Marbles aren't just for schoolchildren. Humans have likely been playing with the tiny toys for thousands of years, as indicated by ancient Egyptian artifacts and other objects studied by archaeologists. These trinkets have been crafted from materials including clay, stone, wood, glass, and metal. But in the early 1900s, Akron, Ohio–based Martin F. Christensen changed the way the playthings are made when he invented an automated machine that produced glass marbles.

Christensen's machine ultimately paved the way for the mass production of marbles. But in the video below, you can see how they're made the old-fashioned way. Produced by The Magic of Making—a series of short educational films created along with BBC—and spotted by The Kid Should See This, the clip shows glass makers in action as they use large ovens to melt granules of sand into liquid, and as they stretch, twist, and shape the molten goo into fragile (yet still playable) creations.

[h/t The Kid Should See This]

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