Optics News

• 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
• Physics
  Quantum Physics
  Dark Matter
  Black Holes
  Materials Science
  Inorganic Chemistry
   
  

  A Rock Is a Clock: Physicist Uses Matter to Tell Time

  January 10, 2013 — What is the simplest, most fundamental clock? Physicists have shown that a single atom is sufficient to measure time using its high-frequency matter wave. Conversely, the frequency of matter can be ... > full story
• Stars
  Galaxies
  Astrophysics
  Nebulae
  Space Telescopes
  Astronomy
   
  

  A Jumble of Exotic Stars: New VISTA Snap of Star Cluster 47 Tucanae

  January 10, 2013 — A new infrared image from the European Southern Observatory's VISTA telescope shows the globular cluster 47 Tucanae in striking detail. This cluster contains millions of stars, and there are many ... > full story
• Optics
  Space Telescopes
  Nebulae
  Space Exploration
  Solar System
  Stars
   
  

  Next-Generation Adaptive Optics Brings Remarkable Details to Light in Stellar Nursery

  January 9, 2013 — A new image reveals how Gemini Observatory's most advanced adaptive optics system will help astronomers study the universe with an unprecedented level of clarity and detail by removing distortions ... > full story
• Agriculture and Food
  Endangered Plants
  Nature
  Food and Agriculture
  Botany
  Biology
   

  How Does Your Garden Glow?

  January 9, 2013 — Nature’s ability to create iridescent flowers has been recreated by mathematicians. They have created a mathematical model of a plant’s petals to help us learn more about iridescence in ... > full story

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