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Inventor’s Race To Sell Toothpaste Rollers

The gadget made it into 132 Fred Meyer stores in June, but staying there meant selling at least 480.


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Homekite: The Indoor Kite

Made by Takara Tomy, this kite flies better indoors than it does outside.


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Low-High Wheelchair Invention

Armando Silva has spent about 10 years and $20,000 trying to get his invention perfected and on the market.


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Inventions Born From Innovation

Inventor Sir Harry Coover worked for the Eastman Kodak Company in 1942, and was actually trying to find the best material to make a transparent plastic gun sight.


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Zero-Fatality Car

In the future, new cars might include an appealing sticker: This car is rated for zero fatalities.


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Almost Homemade Rocket Helicopter

The copter makes use of tiny hydrogen-peroxide-powered rocket motors on the tips of the blades, which replaces the traditional engine-powered rotor.


Niche Products: The Smart Tennis Racquet

The racquet can detect service speed, the power of each hit and ball spin to give players feedback on their performance.


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Robot Hands That Can Pick Up Anything

Building a robot that can pick up random items with the dexterity of the human hand is surprisingly difficult and expensive.


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iPhone Attachment Diagnoses Ear Infections

Fortunately, a mobile microscope company known as CellScope has created a smartphone attachment that takes the hassle out of the entire process by allowing parents to perform the most complicated part of the diagnosis procedure at home.


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Hand Cranked Japanese Vending Machine

Vending machine maker Sanden, which has some 30 percent of the global market, has been showing off a hand-cranked vending machine for emergencies when the power’s out and solar generation isn’t available or feasible.


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