Materials Science News

• Obesity
  Diet and Weight Loss
  Dieting and Weight Control
  Nutrition Research
  Brain Tumor
  Hypertension
   
  

  Vicious Cycle: Obesity Sustained by Changes in Brain Biochemistry

  May 16, 2013 — Scientists have shown that in the brain cells of rats, obesity impedes the production of a hormone that curbs appetite and inspires calorie burning. The root cause appears to be a breakdown in the ... > full story
• Stars
  Black Holes
  Space Telescopes
  Astronomy
  Space Exploration
  Astrophysics
   
  

  South Africa's New Radio Telescope Reveals Giant Outbursts from Binary Star System

  May 16, 2013 — An international team of astronomers have reported the first scientific results from the Karoo Array Telescope (KAT-7) in South ... > full story
• Atmosphere
  Spintronics
  Medical Technology
  Geomagnetic Storms
  Physics
  Electronics
   
  

  Physicists Let Magnetic Dipoles Interact on the Nanoscale for the First Time

  May 15, 2013 — Physicists have found out how tiny islands of magnetic material align themselves when sorted on a regular lattice -- by measurements at BESSY II. Contrary to expectations, the north and south poles ... > full story
• Materials Science
  Water
  Nature of Water
  Atmosphere
  Civil Engineering
  Pollution
   
  

  Nanoscavengers Could Usher in Next Generation Water Purification

  May 15, 2013 — A new synthetic nanoparticle could disinfect, depollute, and desalinate contaminated water and then get removed magnetically. This improves upon existing technologies through ultraresponsiveness to ... > full story
• Physics
  Graphene
  Spintronics
  Spintronics Research
  Quantum Physics
  Engineering
   
  

  First Direct Proof of Hofstadter Butterfly Fractal Observed in Moiré Superlattices

  May 15, 2013 — Scientists have directly observed a rare quantum effect that produces a repeating butterfly-shaped energy spectrum, confirming the longstanding prediction of this quantum fractal energy structure ... > full story
• Graphene
  Spintronics
  Spintronics Research
  Materials Science
  Quantum Physics
  Civil Engineering
   
  

  Catching Graphene Butterflies: Dramatically Changing Electronic Properties of World's Thinnest Material

  May 15, 2013 — A large international team of researchers has shown that when graphene placed on top of insulating boron nitride, or 'white graphene', the electronic properties of graphene change dramatically ... > full story
• Energy and the Environment
  Renewable Energy
  Fuel Cells
  Electronics
  Spintronics
  Alternative Fuels
   
  

  Significant Improvement in Performance of Solar-Powered Hydrogen Generation

  May 15, 2013 — Using a powerful combination of microanalytic techniques that simultaneously image photoelectric current and chemical reaction rates across a surface on a micrometer scale, researchers have shed new ... > full story
• Biotechnology
  Biology
  Quantum Physics
  Physics
  Developmental Biology
  Biochemistry
   
  

  Squishy Hydrogels May Be the Ticket for Studying Biological Effects of Nanoparticles

  May 15, 2013 — A class of water-loving, jelly-like materials with uses ranges ranging from the mundane, such as superabsorbent diaper liners, to the sophisticated, such as soft contact lenses, could be tapped for a ... > full story
• Technology
  Spintronics
  Energy Technology
  Spintronics Research
  Medical Technology
  Electronics
   
  

  Making Frequency-Hopping Radios Practical

  May 15, 2013 — New hardware could lead to wireless devices that identify and exploit unused transmission frequencies, using radio spectrum much more ... > full story
• Oil Spills
  Petroleum
  Pollution
  Environmental Issues
  Energy Policy
  Hazardous Waste
   
  

  Cotton Offers a New Ecologically Friendly Way to Clean Up Oil Spills

  May 15, 2013 — With the Deepwater Horizon disaster emphasizing the need for better ways of cleaning up oil spills, scientists are reporting that unprocessed, raw cotton may be an ideal, ecologically friendly ... > full story

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