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Looks at the career of dolphin trainer. Covers the subjects: How do dolphins get trained? What subjects to take in school to be a dolphin trainer? Why is math important to be a dolphin trainer? Are dolphins fish? Do dolphins communicate with each other? What are mammals? Part of "Career Opportunities for Young People" series.
(Source: DCMP)
The monarch butterfly migration is one of nature’s greatest events. This orange-winged wonder travels up to 4,500 km from all over North America to spend the winter hanging from oyamel fir trees in central Mexico’s mountain forests. But how does an animal with a brain the size of a sesame seed navigate to this one special place? Part of the "It's Okay to Be Smart" series.
Georgia Tech's Parag Chordia believes music is a universal part of human culture, and his research shows music education can inspire greater interest in math, physics, and computer science. Chordia heads Georgia Tech's "Music Intelligence Group." With support from the National Science Foundation, his goals are to program computers to understand music and study the brains of professional musicians as they play composed music versus when they improvise.
The Atacama large Millimeter/Sub-millimeter Array, or ALMA, is a vast array of radio telescopes and the most powerful observatory of its kind. ALMA is stationed in the Atacama Desert of Chile which is one of the world’s best sites for observational astronomy because of the high altitude, nearly non-existent cloud cover, dry air and lack of light pollution and radio interference due to the small populations. ALMA peers into previously hidden regions of space with unprecedented sharpness and sensitivity.
Snakes certainly make it look easy when they slither forward, leaving perfect S-curve tracks behind them, but scientists have long been puzzled by the mechanics of their locomotion. Now, after a series of experiments and some computer modeling, David Hu has cracked the case. With funding from the National Science Foundation, he’s using math to determine how snakes slither and it turns out they move in a much different way than scientists have long thought.
The magic of life unfolds, but for adolescents Mimi, Izzie, and Quinn, watching a monarch butterfly emerge from its cocoon and spread its wings is more than a fascinating moment—cameras are rolling. With support from the National Science Foundation (NSF), Richard Hudson and his team at Twin Cities Public Television are putting middle-school girls in front of a national audience on the PBS series “SciGirls.” This is the first television science series designed specifically for girls, ages 8 to 12, to inspire and empower them to consider careers in science, technology, engineering and math (STEM). Part of the National Science Foundation Series “Science Nation.”
These city kids from Boston may not look like conventional farmers, but they’re spending part of their summer getting their hands dirty. They’re learning how to build solar-powered hydroponic systems that grow organic vegetables without soil. With support from the National Science Foundation, Boston College educator Mike Barnett and his team developed the Urban Hydrofarmers Project to engage students in math and science through hydroponic farming and green energy technology. And, because the teens sell what they grow at farmers’ markets, the students get to experience green entrepreneurship. Barnett and his team have also partnered with the STEM Garden Institute to bring hydroponic farming into classrooms throughout the U.S. Part of the National Science Foundation Series “Science Nation.”
The Pajaro Valley, in the Monterey Bay area of California, is ideally suited for agriculture. In fact, the Pajaro Valley and the nearby Salinas Valley produce nearly half of the strawberries grown in the United States yearly. But, the water source for the valley is a confined underground aquifer that is slowly being depleted. In January of 2011, the American Institute of Mathematics held a Sustainability Problems workshop with the goal of bringing together mathematicians and industry representatives to work on a variety of sustainability problems, including renewable energy, air quality, water management, and other environmental issues. Part of the National Science Foundation Series “Science Nation.”
Can we trust the robots of the future? Explores the world of artificial intelligence, taking us into labs and workshops where innovators teach robots to perceive, think, and move just like human beings.
A scientist from NASA explains how to build a rocket powered by rubber bands. Part of the activity includes launching the rocket from various angles to study trajectory. The activity provides students with an excellent hands-on perspective of key mathematical concepts. Part of the “DIY Space Classroom Activities” series.
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.
Is light composed of waves or particles? Explores the wave model of light from its earliest roots to our modern understanding of electromagnetism in 17 computer-animated video modules. Expresses Empedocles' belief that light streams from the eye, Aristotle's conception of light as a disturbance in ether, and Euclid's mathematical, ray-centered paradigms. Presents the Cartesian sine wave model, Huygens' principle of bending wave fronts, the electromagnetic spectrum, and aspects of particle theory. Provides an overview of diffraction, interference, polarization, and dispersion. Also explains Young's double-slit experiment.
Engineers are motivated to improve our quality of life, and they typically develop new products to achieve this goal. They use several steps in developing new products: design phase, testing phase, and production and maintenance phase. During the design phase, engineers specify the functional requirements of the product. They also produce a prototype to evaluate its overall effectiveness. They also consider cost, reliability, and safety. During the last two phases, engineers determine if any failures of the components are likely and where they occur. In these processes, engineers use computers to create designs, analyze functionality, and simulate how a machine, structure, or system operates.
While it is relatively straightforward to build a box on the macroscale, it is much more challenging at smaller micro and nanometer length scales. At those sizes, 3D structures are too small to be assembled by any machine and they must be guided to assemble on their own. With support from the National Science Foundation, Brown University mathematician Govind Menon and Johns Hopkins University chemical and biomolecular engineer David Gracias are developing self-assembling 3-D micro and nanostructures which can be used in a number of applications, including medicine.
