Optics News

• Albert Einstein
  Physics
  Quantum Physics
  Black Holes
  Cosmic Rays
  Optics
   
  

  Experimental Quest to Test Einstein's Speed Limit

  July 29, 2013 — Special relativity states that the speed of light is the same in all frames of reference and that nothing can exceed that limit. UC Berkeley physicists used a novel experimental system -- the unusual ... > full story
• Optics
  Materials Science
  Energy Technology
  Electronics
  Physics
  Engineering and Construction
   
  

  Speed Limit Set for Ultrafast Electrical Switch

  July 28, 2013 — Researchers have clocked the fastest-possible electrical switching in magnetite, a naturally magnetic mineral. Their results could drive innovations in the tiny transistors that control the flow of ... > full story

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  • Picosecond Accurate Slow-Motion Confirms Oxide Materials Exhibit Considerably Faster Switching Properties Than Do Semi-Conductors
• Nanotechnology
  Graphene
  Optics
  Physics
  Quantum Physics
  Technology
   

  Gold Nanoparticles Improve Photodetector Performance

  July 26, 2013 — Using nanoparticles of gold, researchers have found a way to boost the performance of mineral molybdenum disulfide (MoS2), which is found in light-sensing photodetectors used in a wide range of ... > full story
• Asteroids, Comets and Meteors
  NASA
  Astronomy
  Solar System
  Space Exploration
  Space Missions
   
  

  Centaurs: NASA's WISE Finds Mysterious Centaurs May Be Comets

  July 25, 2013 — The true identity of centaurs, the small celestial bodies orbiting the sun between Jupiter and Neptune, is one of the enduring mysteries of astrophysics. Are they asteroids or comets? A new study of ... > full story
• Biology
  Cell Biology
  Molecular Biology
  Biotechnology and Bioengineering
  New Species
  Genetics
   
  

  Mechanism Behind Squids' and Octopuses' Ability to Change Color Revealed

  July 25, 2013 — Color in living organisms can be formed two ways: Pigmentation or anatomical structure. Structural colors arise from the physical interaction of light with biological nanostructures. A wide range of ... > full story
• Memory
  Mice
  Intelligence
  Neuroscience
  Dementia
  Brain Injury
   
  

  Neuroscientists Plant False Memories in Mice: Location Where Brain Stores Memory Traces, Both False and Authentic, Pinpointed

  July 25, 2013 — The phenomenon of false memory has been well-documented: In many court cases, defendants have been found guilty based on testimony from witnesses and victims who were sure of their recollections, but ... > full story
• Sun
  Astronomy
  NASA
  Space Exploration
  Solar Flare
  Space Missions
   
  

  NASA's IRIS Telescope Offers First Glimpse of Sun's Mysterious Atmosphere

  July 25, 2013 — The moment when a telescope first opens its doors represents the culmination of years of work and planning -- while simultaneously laying the groundwork for a wealth of research and answers yet to ... > full story
• Sun
  Cosmic Rays
  Solar Flare
  Space Probes
  Space Exploration
  NASA
   
  

  NASA's Van Allen Probes Discover Particle Accelerator in the Heart of Earth’s Radiation Belts

  July 25, 2013 — Scientists have discovered a massive particle accelerator in the heart of one of the harshest regions of near-Earth space, a region of super-energetic, charged particles surrounding the globe called ... > full story
• Optics
  Materials Science
  Physics
  Electronics
  Nanotechnology
  Detectors
   

  Researchers Get Better Metrics on Laser Potential of Key Material

  July 25, 2013 — Researchers have developed more accurate measurements of how efficiently a polymer called MEH-PPV amplifies light, which should advance efforts to develop a new generation of lasers and photonic ... > full story
• Optics
  Skin Care
  Psoriasis
  Medical Imaging
  Cosmetics
  Cosmetic Surgery
   

  New Techniques Use Lasers, LEDs, and Optics to 'See' Under the Skin

  July 25, 2013 — Scientists report on new non-invasive optical techniques using lasers, light-emitting diodes, and spectroscopic methods to probe and render images from beneath the surface of the skin. The ... > full story

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