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Atom Hauler
Heaviest named element is official
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Meet the new dinos
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Results of GSAT are in schools this week
2014 GSAT Results for Jamaican Kids
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A Dire Shortage of Water
Sky Dust Keeps Falling on Your Head
Easy Ways to Conserve Water
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A Change in Climate
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Ancient Art on the Rocks
Chicken of the Sea
A Long Haul
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Results of GSAT are in schools this week
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Math is a real brain bender
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Losing with Heads or Tails
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Cell Phones and Possible Health Hazards
Hear, Hear
Gut Microbes and Weight
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Sperm Whale
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Parents
Choosing a Preschool: What to Consider
The Surprising Meaning and Benefits of Nursery Rhymes
Expert report highlights the importance to parents of reading to children!
Physics
Black Hole Journey
Electric Backpack
The Pressure of Scuba Diving
Plants
Seeds of the Future
Tracking the Sun Improves Plant Pollen
Sweet, Sticky Science
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Reptiles
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Space and Astronomy
Chaos Among the Planets
A Dusty Birthplace
Big Galaxy Swallows Little Galaxy
Technology and Engineering
Searching for Alien Life
Reach for the Sky
Dancing with Robots
The Parts of Speech
Countable and Uncountable Nouns
What is a Preposition?
Adjectives and Adverbs
Transportation
Where rivers run uphill
Morphing a Wing to Save Fuel
Seen on the Science Fair Scene
Weather
Science loses out when ice caps melt
Recipe for a Hurricane
The Best Defense Is a Good Snow Fence
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Roll-Up Computer Monitors to Go

Have you noticed how gadgets are getting smaller? Cell phones, laptops, MP3 players—they're all getting slimmer and lighter. Now, researchers at the companies Philips and E Ink have taken another step toward greater convenience. It's a new type of electronic paper that displays words and pictures, just like your computer monitor. But it's as thin as a sheet of regular paper. You can roll it up, fold it, or bend it. If you drop it, don’t worry. It won't break. The electronic paper has two main layers. The top layer is a plastic film that has tiny bubbles containing two types of ink, black and white. The bottom layer contains a network of tiny electronic circuits. These circuits are made out of a special type of plastic that conducts electricity. How do these two layers work together to display a picture or words? First, the black and white inks have opposite electrical charges. When a particular voltage is applied to a bubble, the white ink rises to the top and the black ink sinks to the bottom, where you can't see it. And if a different voltage is applied, the opposite happens. The black ink rises while the white ink lays low. Applying different voltages by way of the circuitry below the ink layer organizes the ink into various patterns, such as words and pictures. By switching the voltage pattern, the electronic-paper display can change a few times per second. The scientists who developed the electronic paper claim that their version is the thinnest, most flexible yet. Previous versions of electronic paper were made with a thin sheet of glass, which was fragile and rigid. Bas Van Rens at Philips in the Netherlands says that, within a couple of years, you could be using electronic paper to check your e-mail or to surf the Internet. When you're finished, you'd roll up your sheet of e-paper and tuck it away in your back pocket.—S. McDonagh

Roll-Up Computer Monitors to Go
Roll-Up Computer Monitors to Go








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