NASA
NASA | Take a "Swift" Tour of the Andromeda Galaxy
NASA's Swift satellite has acquired the highest-resolution view of the neighboring spiral galaxy M31. Also known as the Andromeda Galaxy, M31 is the largest and closest such galaxy to our own. It's more than 220,000 light-years across...
NASA
NASA | CATS in Space Keep Eyes on Atmosphere
NASA Goddard is preparing to demonstrate for the fist time in space, a 3-wavelength, laser remote sensing instrument. The Cloud-Aerosol Transport System or CATS will measure clouds and aerosols in the Earth's atmosphere. This...
NASA
NASA | Highlights of Swift's Decade of Discovery
NASA's Swift satellite rode to orbit aboard a Delta II rocket on November 20, 2004, and it's still going strong. Swift's unique instrumentation allows it to quickly locate an interesting high-energy outburst, automatically determine its...
TMW Media
Magical Glass Technology: How does glass help doctors in the medical field
What is the Dermo Genius? How does it work? Magical Glass Technology, Part 4
Science360
RARE AUDIO OF INDIGENOUS LANGUAGES SAVED BY INVENTION 100 YEARS LATER
Optical scan technology is helping researchers at the University of California (UC), Berkeley, preserve audio of 78 indigenous California languages, most of which were recorded more than a century ago. The recordings are on approximately...
NASA
NASA's Most Scientifically Complex Space Observatory Requires Precision
The James Webb Space Telescope is one the most ambitious, and technically complex missions NASA has ever set its focus on. Building an infrared observatory of this magnitude, power and complexity has never been attempted before. In order...
NASA
LCRD Podcast Season Trailer | The Invisible Network
NASA’s Space Communications and Navigation (SCaN) podcast, The Invisible Network, is back with a new season about NASA’s Laser Communications Relay Demonstration (LCRD). LCRD will showcase the capabilities of high data rate optical...
NASA
NASA | LCRD: From Vision to Reality
Since its inception in 1958, NASA has relied exclusively on radio frequency (RF)-based communications as the only viable medium for exchanging data between a mission and a spacecraft. Today, with missions demanding communication with...
NASA
NASA | Laser Comm: That's a Bright Idea
Laser light made records obsolete. NASA is on the verge of doing the same thing with space based communications. Before the end of the decade, the Laser Communication Relay Demonstration (LCRD) mission will revolutionize the way we move...
NASA
NASA’s Webb Reaches Alignment Milestone, Optics Working Successfully
Following the completion of critical mirror alignment steps, the James Webb Space Telescope team has great confidence that the observatory’s optical performance will meet or exceed the science goals it was built to achieve. On March 11,...
AllTime 10s
10 Reasons Not To Trust Your Senses
The human brain is weird - like, really weird - and surprisingly untrustworthy. It can trick you into thinking you hear something you don't, or taste red wine when it's just white with a dash of food coloring. Join John as he explores 10...
Curated Video
CompTIA A+ Certification 220-1001: The Total Course - Optical Media
Shiny optical discs are an excellent media for transporting data and are still a very common tool for delivering drivers and configuration utilities for hardware. There’s several different optical standards and it’s critical to know that...
Curated Video
The Fascinating World of Optical Camouflage and Invisibility Cloaks
This video explores the concept of optical camouflage and the use of retroreflective materials to create the illusion of invisibility. It showcases the works of artist Desiree Palmen and the invention of the Invisible Cloak illusion by...
Science360
YELLOW CHEMISTRY' TURNS SULFUR WASTE INTO PLASTICS
While many scientists are hard at work on "green chemistry" projects that will benefit the environment, there are a handful of researchers at the University of Arizona who are starting a trend of their own - "yellow chemistry." That's...
Wonderscape
Science Kids: Eyes and Ears
This video is a detailed explanation of how our eyes and ears work, focusing on the process of vision and hearing. It discusses the different parts of the eye and their functions, such as the cornea, iris, lens, and retina. It also...
Flag House Activity Channel
Bootcamp Time! Indoor Obstacle Course Ideas for your Class (Ep. 72 - Obstacle Course)
Coach Dan sets up a fun and challenging obstacle course that is sure to get our students into action. Combine classic challenge course patterns with fitness exercises to raise the bar even further!
Bridgeman Arts
Animated 19th century phenakistoscope with geometric pattern of red disks
Phenakistoscope c.1833, animated to create an illusion of motion.
AFP News Agency
CLEAN : STOCKSHOTS of the ESO's Very Large Telescope in Chile
First opened in 1998 the Very Large Telescope (VLT) is one of the main optical telescopes installed in ChileÂ’s Atacama desert
Bridgeman Arts
Animated 19th century phenakistoscope with geometric spiral pattern
Phenakistoscope c.1833, animated to create an illusion of motion.
Bridgeman Arts
Animated 19th century zoetrope with geometric patterns
Zoetrope animated to create an illusion of motion.
Bridgeman Arts
Animated 19th century zoetrope with geometric patterns
Zoetrope animated to create an illusion of motion.
Sophia Learning
Sophia: Vision
An illustrated, chronicled tutorial explaining the structure and function of the human eye. [8:56]