Weatherthings
Parhelic Circle
If you've ever noticed a white ring in the thin clouds that goes through the sun, this is what it is.
Weatherthings
Some Clouds are Bright Some Clouds are Dark
A simple demonstration showing how some clouds are bright and others are dark.
Physics Girl
Could you replace your eye with a camera?
How does the eye compare to a camera? How do they work, and will camera technology ever get to the point where you would want to replace your eyeball with a camera?
Amor Sciendi
How We See Art
The Art and Science of "Seeing" La Rue Montorgueil by Claude Monet "If only we could pull out our brain and use only our eyes." Pablo Picasso
NASA
Simulated Image Shows the Power of NASA’s WFIRST
NASA’s Wide Field Infrared Survey Telescope, WFIRST, will capture the equivalent of 100 high-resolution Hubble images in a single shot, imaging large areas of the sky 1,000 times faster than Hubble. In several months, WFIRST could survey...
NASA
NASA | Laser Focus
ICESat-2's instrument, ATLAS, is designed to measure heights on Earth. ATLAS has three main tasks: transmitting a pattern of six laser beams, collecting the laser photons that return to the satellite after reflecting off Earth, and...
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
The Webb Telescope's Unfolding Secondary Mirror
In order to do groundbreaking science, NASA's James Webb Space Telescope must first unpack itself in deep space. In its full configuration, Webb would be too big too fit in any available rocket. So, engineers designed the observatory to...
NASA
The James Webb Space Telescope Completes its Final Environmental Tests
The fully assembled James Webb Space Telescope has completed its environmental tests at Northrop Grumman in Redondo Beach, CA. The environmental tests are a combination of acoustic and sine vibration tests. These tests simulate the...
NASA
James Webb Space Telescope: Worth the Wait
Building the James Webb Space Telescope is challenging. It is NASA's most ambitious and complex space science observatory. The mission required 10 new technologies to be invented, the dedication of hundreds of scientists, engineers and...
Weatherthings
Weather Things: Storms
The atmosphere is dynamic and forever changing to maintain balance. The ingredients of air, sunlight and water allow life to exist on Earth, but they also generate calm scenes like rainbows, as a tornado ends. All storms move moisture,...
NASA
NASA | James Webb Space Telescope Stands Tall
The flight structure of NASA's James Webb Space Telescope was standing tall in the cleanroom at NASA's Goddard Space Flight Center in Greenbelt, Maryland.
NASA
Hubble Tool Time Episode 2: Servicing Mission 1
Retired NASA astronaut John Grunsfeld hosts this six-part mini-series about the tools used on the Hubble Space Telescope servicing missions. Hubble was uniquely designed to be serviced in space so that components could be repaired and...
NASA
NASA | Women@Goddard: Meet Maria Nowak
Meet Maria Nowak, who works at Goddard Space Flight Center in the Optics Board Alignment/Integration Testing group.
Physics Girl
This crystal can split light particles
How unusual non-linear crystals can entangle particles of light, or photons. Thanks to non-profit edX.org for sponsoring this video. Quantum entanglement involves a special process of splitting photons into two. But it involves a process...
NASA
Webb Telescope's Houston Highlights Time Lapse
With NASA's James Webb Space Telescope's approximately nine-month stay in Texas coming to an end, this time-lapse shows activity in the NASA Johnson Space Center's Chamber A cleanroom from the arrival of the Webb Telescope's optical and...
Physics Girl
Crazy pool vortex
This unique phenomenon can be easily reproduced in a pool on a sunny day.
NASA
NASA | NOAA's GOES-O Ready To Launch
This video shows a quick tour and overview of the facilities where the GOES-O satellite was built and tested prior to launch. GOES-O was integrated by Boeing Space and Intelligence Systems in El Segundo, CA and then transported to the...
Journey to the Microcosmos
The Microscope Upgrades We've Made Along The Way | Compilation
This channel wouldn’t be what it is if it weren’t for one very key invention: the microscope. Everything we see, we see with the aid of light and lenses, expertly deployed by our master of microscopes, James. And if you’ve been on this...
NASA
NASA | Webb's Backplane Pathfinder Arrives at NASA JSC for Cryotesting
Webb Telescope's Backplane Pathfinder arrives at Ellington Field Joint Reserve Base in Houston. Engineers will test Pathfinder inside NASA's largest cryogenic vacuum chamber called Chamber A. NASA engineers off-load pathfinder and its...
Weatherthings
A Rainbow May be a Circle
A simple demonstration shows how a rainbow can be a full circle, depending on perspective.
Physics Girl
How rainbows with NO COLOR are possible
What the heck are spider-web rainbows? What are these rare white rainbows, and how do they form?
National Institute of Standards and Technology
Screaming Photons
Students from the Alexander Dawson School in Boulder, Colorado explain the workings of a "dark detector" coated with the one of the world's darkest materials, a forest of carbon nanotubes that reflect almost no light across the visible...
NASA
NASA | Webb Space Telescope Receives First Mirror Installation
NASA has successfully installed the first of 18 flight mirrors onto the James Webb Space Telescope, beginning a critical piece of the observatory’s construction. The full installation of all 18 mirror segments in Webb’s primary mirror is...