Optics News

• Solar Energy
  Energy and Resources
  Materials Science
  Energy Technology
  Thermodynamics
  Energy Policy
   
  

  Photovoltaic Cell Manufacture: Device Tosses out Unusable PV Wafers

  January 15, 2013 — Silicon wafers destined to become photovoltaic cells can take a bruising through assembly lines, as they are oxidized, annealed, purified, diffused, etched, and layered to reach their destinies as ... > full story
• Solar Flare
  Sun
  Northern Lights
  Astronomy
  Satellites
  NASA
   
  

  New Sunspots Producing Space Weather

  January 14, 2013 — On Jan. 13, 2013, at 2:24 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection or CME. Not to be confused with a solar flare, a CME is a solar phenomenon that can send solar ... > full story
• Cosmic Rays
  Astrophysics
  Astronomy
  Black Holes
  Stars
  Galaxies
   
  

  Star Wars: What Would Hyperspace Travel Really Look Like?

  January 14, 2013 — The sight of the Millennium Falcon making the “jump to lightspeed” is one of the most iconic images from the Star Wars ... > full story
• Materials Science
  Graphene
  Spintronics
  Pharmacology
  Engineering and Construction
  Civil Engineering
   
  

  Graphene Plasmonics Beats the Drug Cheats

  January 13, 2013 — Wonder material graphene could help detect the presence of drugs or toxins in the body or dramatically improve airport security, researchers have ... > full story
• Today's Healthcare
  Medical Technology
  Gastrointestinal Problems
  Medical Imaging
  Medical Devices
  Diseases and Conditions
   
  

  Pill-Sized Device Provides Rapid, Detailed Imaging of Esophageal Lining

  January 13, 2013 — Physicians may soon have a new way to screen patients for Barrett's esophagus, a precancerous condition usually caused by chronic exposure to stomach acid. Researchers have developed an imaging ... > full story
• Galaxies
  Astrophysics
  Stars
  Astronomy
  Nebulae
  Space Telescopes
   
  

  Nearby Dwarf Galaxy and Possible Protogalaxy Found: Telescopes Reveal Intergalactic Traffic Jam

  January 11, 2013 — Peering deep into the dim edges of a distorted pinwheel galaxy in the constellation Ursa Major (the Great Bear), astronomers have discovered a faint dwarf galaxy and another possible young dwarf ... > full story
• Thermodynamics
  Materials Science
  Optics
  Acoustics
  Civil Engineering
  Nanotechnology
   
  

  How to Treat Heat Like Light: New Approach Using Nanoparticle Alloys Allows Heat to Be Focused or Reflected Just Like Electromagnetic Waves

  January 11, 2013 — A new technique provides a new way of manipulating heat, allowing it to be controlled much as light waves can be manipulated by lenses and ... > full story
• Cosmology
  Galaxies
  Astronomy
  Big Bang
  Astrophysics
  Space Telescopes
   
  

  Biggest Structure in Universe: Large Quasar Group Is 4 Billion Light Years Across

  January 11, 2013 — Astronomers have found the largest known structure in the universe. The large quasar group (LQG) is so large that it would take a vehicle traveling at the speed of light some 4 billion years to cross ... > full story
• Galaxies
  Astronomy
  Astrophysics
  Stars
  NASA
  Space Exploration
   
  

  NASA's GALEX Reveals the Largest-Known Spiral Galaxy

  January 10, 2013 — The spectacular barred spiral galaxy NGC 6872 has ranked among the biggest stellar systems for decades. Now astronomers have crowned it the largest-known ... > full story
• Geology
  Climate
  Ice Ages
  Renewable Energy
  Asteroids, Comets and Meteors
  Earth Science
   
  

  Oxygen to the Core: Earth's Core Formed Under More Oxidizing Conditions Than Previously Proposed

  January 10, 2013 — Scientists have discovered that Earth's core formed under more oxidizing conditions than previously proposed. While scientists know that Earth accreted from some mixture of meteoritic material, there ... > full story

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