Izin Impor Ikan Disalahgunakan
07/12/2011
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- Science Daily
- Metal nanoparticles shine with customizable color 24/02/2012Engineers have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output.
- Blood mystery solved: Two new blood types identified 23/02/2012You probably know your blood type: A, B, AB or O. You may even know if you're Rhesus positive or negative. But how about the Langereis blood type? Or the Junior blood type? Positive or negative? Most people have never even heard of these. Yet this knowledge could be "a matter of life and death." While blood transfusion problems due to Langerei […]
- A rainbow for the palm of your hand 23/02/2012Engineers have developed a one-step, low-cost method to fabricate a polymer that is rainbow-colored, reflecting many different wavelengths of light when viewed from a single perspective. The colors won't fade with time because they are produced by surface geometry, and not pigment -- the same principle that gives color to the wings of butterflies and fe […]
- Replacing electricity with light: First physical 'metatronic' circuit created 23/02/2012The technological world of the 21st century owes a tremendous amount to advances in electrical engineering, specifically, the ability to finely control the flow of electrical charges using increasingly small and complicated circuits. And while those electrical advances continue to race ahead, researchers are pushing circuitry forward in a different way, by r […]
- More powerful electric cars: Mechanism behind capacitor's high-speed energy storage discovered 23/02/2012Researchers have discovered the means by which a polymer known as PVDF enables capacitors to store and release large amounts of energy quickly. Their findings could lead to much more powerful and efficient electric cars.
- MRIs on a nanoscale? 23/02/2012Magnetic resonance imaging (MRI) on the nanoscale and the ever-elusive quantum computer are among the advancements edging closer toward the realm of possibility, and a new study may give both an extra nudge.
- Eating citrus fruit may lower women's stroke risk 23/02/2012Eating higher amounts of a compound in citrus fruits, especially oranges and grapefruit, may lower ischemic stroke risk. Women who ate high amounts of the compound had a 19 percent lower risk of ischemic stroke than women who consumed the least amount.
- Neurotoxins in shark fins: A human health concern 23/02/2012Sharks are among the most threatened of marine species worldwide due to unsustainable overfishing. They are primarily killed for their fins to fuel the growing demand for shark fin soup, which is an Asia delicacy. A new study has discovered high concentrations of BMAA in shark fins, a neurotoxin linked to neurodegenerative diseases in humans including Alzhei […]
- Heart attacks: Naked mole-rats bear lifesaving clues 23/02/2012A biologist thinks the subterranean lifestyle of the naked mole-rat may hold clues to keeping brain cells alive and functioning when oxygen is scarce, as during a heart attack. The key may lie in how brain cells regulate their intake of calcium, he says.
- Climate change, increasing temperatures alter bird migration patterns 23/02/2012Birds in eastern North America are picking up the pace along their yearly migratory paths. The reason, according to researchers, is rising temperatures due to climate change.
- Metal nanoparticles shine with customizable color 24/02/2012
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