Optics Videos

• Perception
  Memory
  Virtual Reality
  Optics
  Virtual Environment
  Brain Injury
   
  

  Vision Researchers Test Theory on Visual Orientation

  Vision researchers suspect that people who do not need maps to find their way may be remembering visual landmarks. To test this theory, the scientists are having volunteers navigate through a virtual ... > more
• Eye Care
  Optics
  Today's Healthcare
  Medical Technology
  Wounds and Healing
  Physics
   
  

  Opthalmologists Develop Laser Procedure to Shorten Patients' Recovery

  Replacing the scalpel with a laser, a new cornea transplant procedure leads to faster recovery. Instead of a straight cut, the laser makes zigzag slices around the patient's eye and the donor cornea. ... > more
• Robotics
  Medical Technology
  Today's Healthcare
  Robotics Research
  Back and Neck Pain
  Medical Imaging
   
  

  Robotic Camera Will Take Motion X-Rays by Following Patients' Movements

  Orthopedic injuries are among the most common reasons people visit the doctor. Whether it's pain in the knee, hip or shoulder, doctors have a difficult time making an exact diagnosis without surgery. ... > more
• Encryption
  Hacking
  Information Technology
  Computer Graphics
  Virtual Reality
  Alternative Fuels
   
  

  Physical Chemists Develop New High-Capacity Storage Technology

  Holograms allow permanent optical data storage and retrieval with far higher densities than CDs or DVDs, using the interference patterns of two lasers. Physical chemists are now developing the ... > more
• Water
  Hazardous Waste
  Nature of Water
  Environmental Science
  Pollution
  Drought Research
   
  

  Physical Chemists Devise Quick Spectrometry-Based Mercury Test

  Physical chemists have created a new, cheap test to detect mercury, an element known to harm the brain, kidneys, heart, lungs and immune system. A gold nanorod absorbs mercury from a sample and, then ... > more
• Optics
  Colon Cancer
  Colitis
  Medical Imaging
  Gastrointestinal Problems
  Medical Technology
   
  

  Gastroenterologists Use Hi-Res Narrow-Band Imaging to Find Cancer

  Gastroenterologists Use Hi-Res Narrow-Band Imaging To Find Cancer New optical technologies are helping gastroenterologists improve cancer detection using colonoscopy. A new endoscope uses HDTV ... > more
• Nature of Water
  Graphene
  Materials Science
  Weapons Technology
  Nanotechnology
  Medical Technology
   
  

  Rheologists Apply Shear-Thickening Fluids to Protective Gear

  Rheologists have created a new way of bullet-proofing clothes using shear-thickening fluids. Fabric treated with shear-thickening granular suspensions can turn soft material into solid protective ... > more
• Oceanography
  Global Warming
  Nature of Water
  Water
  Energy Technology
  Spintronics
   
  

  Oceanographers Uncover The Physics Of Rip Currents

  Rip currents flow in very erratic patterns, not in steady courses as previously believed -- which may help explain why they can be so dangerous even for experienced swimmers. Oceanographers have ... > more
• Nature of Water
  Robotics
  Robotics Research
  Insects (including Butterflies)
  Drought
  Artificial Intelligence
   
  

  Mimicking Insects to Avoid Sinking Using Surface Tension

  A new robot made of ultralight carbon-fiber can stand or slowly walk on water. The principle it uses is borrowed from insects -- surface tension tends to prevent the water's surface from breaking, ... > more
• Marine Biology
  Sea Life
  Fish
  Oceanography
  Dolphins and Whales
  Weather
   
  

  Acoustical Oceanographers Record Noises in the Deep

  Manmade and natural sounds, from boat engines to rainfall, sound different below the sea surface. To study their impact of noise on marine life, scientists are submerging devices called Passive ... > more

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