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Visible light, which can be seen with human eyes, comprises a small sliver of the electromagnetic spectrum. The rest of the spectrum, from short wavelength gamma rays to long-wavelength radio waves, requires special instruments to detect. ALMA uses an array of radio telescopes to detect and study radio waves from space. ALMA is an advanced tool for studying very old stars and galaxies. These objects now are seen at great cosmic distances, with most of their light stretched out to millimeter and sub-millimeter wavelengths by the expansion of the universe. ALMA provides the unprecedented ability to study the processes of star and planet formation.
(Source: DCMP)
With the retirement of NASAs space shuttle fleet in 2011, the role of getting people, satellites and other instruments into space falls to private companies. As of June 2011, there have been only 523 people to reach the 100 kilometer mark (considered human spaceflight), and only 24 have traveled beyond low Earth orbit. It is projected that within ten years, the number of people who will have flown into space will increase by about 600 percent due to the increasing market of suborbital spaceflight and the possibility of private citizens utilizing space flight. Students will explore suborbital and orbital spaceflight and the requirements necessary for vehicles to achieve these journeys. They also go behind the scenes of many of the private companies involved in taking on the tasks to travel to low Earth orbit and beyond and uncover some of the technology used to accomplish these goals.
How far is a star or a galaxy? Scaling and measuring the cosmos is a complex problem. Scientists are integrating mathematical applications and scientific technology to create measurement standards. Distances are so vast they are described in light years, and nearby stars are measured by trigonometry. Farther out, astronomers use standard candle measurement for deep space exploration.
Each year the goal of Outlook Colombia is to create an academic meeting which focuses on developing participants into proactive, critical and reflexive individuals in regards to the future of cities and societies. This event is carried out annually by the School of Administrative, Accounting, Economical and Business Sciences of “Universidad Nacional Abierta y a Distancia” (UNAD).
Prospecta Colombia is a gathering of students hosted by “Universidad Nacional Abierta y a Distancia” (UNAD) every year. At the yearly gathering world renowned experts debate and plan the future of the cities on the planet. Host Nerdo Cavernas will show us some of the concepts of what the cities of the future may be.
Dorothy Vaughan, Mary Jackson, Katherine Johnson, and Christine Darden were good at math. They participated in some of NASA's greatest successes, like providing the calculations for America's first journeys into space. This title explores the story of four female African-American mathematicians as they overcame gender and racial barriers to succeed in a highly challenging career. Based on the children's book by Margot Lee Shetterly.
The Canadian Arctic is ground zero for understanding the rapidly changing environment. Working in remote regions, scientists are using space-age technology with on-the-ground fieldwork and traditional Inuit knowledge to get the most detailed picture yet of the Arctic.
It's the decade of Ronald Reagan and Margret Thatcher; cold war and glasnost; big beats, big hair and fashions that seemed like a good idea at the time. The inventions of the 1980s have people looking inward at DNA and outward to the far reaches of space. Featured inventions include: the internet, DNA profiling, the nicotine patch, MIR Space Station, and the endoscopy capsule.
Examines the science of travelling beyond our solar system with the latest developments from NASA. Looks at what technology and research steps are being taken that might enable us someday to go visit other planets. Reports on the Phoenix Lights, the most recent mass UFO sighting, as presented through witness accounts. Also includes commentary from skeptical analysts to represent both sides in this highly debated topic.
See how geckos inspired new NASA technology that makes things stick to each other in space. Potential future applications might be to grab and service satellites or to salvage space garbage. Part of the “Crazy Engineering” series.
This episode features stories on an innovative surf park in the North Wales countryside and an invention aimed at stopping police chases. Host Mo Rocca also highlights the history of flight starting with the Wright Brothers and finishing with the modern technologies of space. Part of "The Henry Ford Innovation Nation With Mo Rocca" series.
Step into the future of medicine with a look at the surgical robotics being developed at the Johns Hopkins Engineering Research Center for Computer-Integrated Surgical Systems and Technology. Here, engineers are designing less invasive surgical techniques and robots that a decade ago may have seemed like science fiction. Many of these techniques are leading to significantly quicker and less painful recoveries while giving surgeons more flexibility than ever before.
Bill Nye shows how NASA's “Juno” spacecraft uses a combination of cutting-edge technology and the Doppler effect to take a peek deep inside Jupiter. Part of the “Why With Nye” series.
Are the rings of Saturn a real celestial phenomenon or merely a cosmic illusion? Technology allows the experts to get closer to the furthest planet visible to the naked eye. Old questions are answered and new ones arise. Does Saturn hold the key to Earth's weather and will one of its moons supply us with all the oil we'll ever need? Cutting-edge computer graphics are used to show what life would be like on other planets and to imagine what kinds of life forms might evolve in alien atmospheres.
Learn the three criteria for classifying planets and discover why Pluto is now considered part of the Kuiper belt. When Pluto was discovered in 1930, it was classified as the ninth planet in the solar system. However, advances in technology brought about new knowledge of Pluto, and it is now recognized as a dwarf planet.
What if scientists could grow elevators to space? Or make phones that last for weeks without a charge? These things could be possible someday with an amazing material like carbon nanotubes. A MIT scientist discusses the curious way researchers create this super-material. Part of the "Science Out Loud" series.
A key to building denser, stronger materials that won’t fail or fracture under extreme conditions is the manufacture of ultra-high temperature, or UHT, ceramics. UHT ceramics can withstand highly extreme conditions, such as the heat coming out of a rocket as its launching into space. Part of the National Science Foundation Series “Science Nation.”
The last decade of the 20th Century sets us on course for the next 100 years. With inventions like Global Positioning Satellites and The Hubble Space Telescope, the inventions of the 1990s help us see where we've been and where we're going. Additional inventions include: the wind up radio, camera phone, the Mars Pathfinder, and the neurotropic electrode.
Mary Elizabeth Wusk started her work at NASA as a summer intern. She began working in aircraft instrumentation and continued developing her career by conducting research on aircraft. With her background in physics and electrical engineering, she has supported and led teams that delivered ground and flight hardware systems. Mary Beth now uses her technology development background in NASA’s Game Changing Development Program Office. Part of the "Women@NASA" series.
Is there life on other planets? How can it be found? Presents the scientific theory of life's beginning and evolution on earth before considering life within our solar system and beyond. Discusses possible planet formation from stellar dust and technology's place in locating such planets.
Showing collections 1 to 5 of 5
Biology related concepts
A collection containing 59 resources, curated by Benetech
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A collection of simulations from PhET.
A collection containing 15 resources, curated by Charles LaPierre
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
