New Project: Coffee Cup Spy Cam

w_dsc8317_nologoTake your cup of Joe from classic to classified with a tilt-triggered spy camera. The trick is to modify two paper coffee cups — install the device in one, slide it into the second, and align holes cut in the bottoms of each. Two LEDs can be seen through the […]

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Double amputee controls two robotic arms with his mind

Here’s one other DARPA-funded robotic limb controlled by thoughts alone — actually make that two, because Colorado man Les Baugh had two bionic arms attached from shoulder level. Baugh got them this summer, 40 years after losing both arms, as part o…

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3D Printing Brings Schooling Home

uselectoralmapThere are two means of incorporating 3D printing into a homeschool plan. One, of course, is by getting a 3D printer for your home. (More on that later.) A simpler means is through a veritable wealth of amazing pre-made models to be found by the clever makers who post on […]

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Is Hair Dye a Health Hazard?

In the mid-1800s, English chemist William Henry Perkin serendipitously synthesized the first non-natural dye: starting with coal tar, he was hoping to produce the malaria drug quinine but instead created mauve. His discovery revolutionized the textile industry and launched the petrochemical industry. Natural dyes just didn’t have the staying power and vivid colors of the dye Perkin created. Never before had such a steadfast dye been found.
Soon after, August Hofmann (Perkin’s chemistry prof

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The SpeechTrans Wristband Watch conquers language barriers

When you’re learning a language, it can be difficult to remember all the words and grammatical points. If you’re in a country and trying the immersion method of learning the native tongue, then you likely have a language dictionary on hand. Of course, it can take a while to flip through the pages and find the one or two words that you need to carry on conversation. If you wish …

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Sydney siege is Uber’s latest PR disaster

Uber has crashed into its latest public relations disaster after attempting to charge passengers inflated prices to leave Sydney as a hostage crisis unfolded at a cafe in the city.

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