AC / DC: What's the Difference?

This animated essay from the American Experience Web site explains the difference between alternating and direct electric current and offers in-depth explanations about the role played by a battery, light bulb, wire, and generator.

Advances in Neurotechnology

In this video segment from Greater Boston, learn how a man with severe motor disabilities can operate a computer and move a prosthetic hand by simply thinking the commands, thanks to the combined efforts of bioengineers and neuroscientists.

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Aerodynamics: What Causes Lift?

How does an airplane stay aloft when upside down? This media-rich essay from the NOVA Web site offers an explanation based on Newton's third law of motion.

Agricultural Technology Student: Farming & GPS/GIS

Learn how agricultural technology is changing farming, and one student's life, in this video adapted from Pathways to Technology.

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Agricultural Technology Student: Water Management & GPS/GIS

See one adult student's experience attending community college, studying agricultural technology, and discovering career opportunities, in this video adapted from Pathways to Technology.

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Air Bag Design

Using automobile crash test footage, this video segment adapted from NOVA shows some of the challenges in designing the air bag.

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Airborne Wind Energy

The strongest and most consistent winds are found in the jet stream as high as 30,000 feet above the earth. In this video from QUEST produced by KQED, learn about the benefits and challenges of wind energy.

Airplanes: Designing for Stealth

Explore this NOVA interactive activity to see how engineers have modified a military plane's sound, shape, and heat emissions to minimize detection.

Air Power: Making a Hovercraft

In this video segment adapted from ZOOM, cast members make their own hovercraft and demonstrate how the air leaking out of a balloon can make a plastic plate hover above a table.

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Animal Cloning 101

Learn about clones and explore the methods scientists use to create clones in the lab in this interactive activity from the Dolan DNA Learning Center.

Arch Bridge

This video segment adapted from Building Big illustrates the strength of the arch in bridge design and construction.

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Are Computers Intelligent?

This video excerpt from NOVA: “Smartest Machine on Earth” explains why computers can be so good at chess.

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Ask an Engineer

Explore some of the wonders of modern engineering in this video from the Sciencenter in Ithaca, New York. Hear a diverse selection of engineers explain how things work.

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Associate Scientist Andres Berrio

In this video segment produced for Teachers' Domain, Andres Berrio, an associate scientist at Biogen Idec, discusses what he has done to succeed in the biotechnology field.

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Astronauts in Hard Hats

This media-rich series of interviews from the NOVA Web site explores the unique challenges faced by astronauts doing construction work in outer space.

ATE Internships and Co-ops

In this video adapted from ATETV, learn how Bristol Community College promotes internships and co-ops to prepare students for work in technology-related careers.

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Bandwidth and Data Conversion

This interactive activity adapted from the Wisconsin Online Resource Center describes the factors that affect the speed of data transfer in computer networking systems and some of the techniques used to increase the data capacity of these systems.

Bioengineering Body Parts

In this video segment adapted from NOVA scienceNOW, scientists discuss their attempts to grow human body parts in a jar.

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Biofuels: Beyond Ethanol

In this video from QUEST produced by KQED, find out what scientists are discovering in investigating the newest methods for converting what we grow into what makes us go.

Biomanufacturing Supervisor

In this video adapted from Connecticut's College of Technology/Regional Center for Next Generation Manufacturing, hear firsthand about what it’s like to be a biomanufacturing supervisor, making products that help save people's lives.

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Biomedical Technician Training

In this video adapted from ATETV, hear from a medical electronics engineering technology student about how she is improving her math, science, electronics, and communications skills in her community college program.

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Biotechnology: Production Support Associate

Learn how a community college degree in biotechnology led one woman to a career in helping to treat cancer, in this video excerpt from Pathways to Technology.

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Biotechnology Student Profile

Follow a high school student who is exploring the field of biotechnology by taking community college classes and job shadowing in this video segment adapted from Pathways to Technology.

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Biotechnology: Training & Careers

Learn what biotechnology is and what careers are available in the field, in this video excerpted from Pathways to Technology.

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Biotechnology: Upstream Processing Associate

In this video excerpted from Pathways to Technology, watch how one woman happily spends her days looking for a protein to help treat cancer, thanks to her community college degree in biotechnology.

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The Bridge Challenge

In this interactive activity from the Building Big Web site, use your knowledge of bridge design to match the right bridge to the right location in a fictitious city.

Bt Corn

This video segment from FRONTLINE/NOVA: "Harvest of Fear" looks at corn that has been genetically modified to resist one insect pest, and the multiple concerns it raises.

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Build a Bridge

Survey potential bridge sites, research bridge design, and select the right bridge for the right location in this interactive activity from the NOVA Web site.

Building the Alaska Oil Pipeline

This video segment adapted from AMERICAN EXPERIENCE tells the story of how environmentalists, Alaska Native peoples, and engineers concerned about the effects of permafrost challenged plans for the Alaska oil pipeline.

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Building the Channel Tunnel

How do you build a tunnel 32 miles long -- under water? This video segment adapted from Building Big, follows the construction of the Channel Tunnel (nicknamed "Chunnel"), the engineering wonder that connects England to France.

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Can a Computer Fly an Airplane?

This video excerpt from NOVA shows how the computer system on the A330 airplane can fly the plane safely without a human pilot.

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Cancer Nanotech

This interactive slideshow adapted from NOVA scienceNOW shows some of the nanoscale structures that scientists are using in the experimental diagnosis, treatment, and prevention of cancer.

Capturing Carbon: Where Do We Put It?

In this interactive activity from NOVA scienceNOW, explore options for storing carbon dioxide in order to prevent further global warming.

Capturing Renewable Energy

Students investigate renewable energy sources and how to transition from an energy source to a usable, on-demand power source.

Carbon-Fiber Car of the Future

In this video segment adapted from NOVA, find out how cars made of a material stronger than steel and half the weight can help combat climate change.

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Careers in Advanced Manufacturing Technologies

This interactive activity produced for Teachers’ Domain explores various career paths available in advanced manufacturing technologies.

Careers in Agricultural and Environmental Technologies

This interactive activity produced for Teachers’ Domain explores several career paths available in agricultural and environmental technologies.

Careers In Biotechnology

This interactive activity produced for Teachers' Domain examines several career paths available in the biotechnology field.

Careers in Engineering Technologies

This interactive activity produced for Teachers’ Domain explores various career paths in engineering technologies.

Careers in Information and Security Technologies

This interactive activity produced for Teachers’ Domain explores different career paths available in information and security technologies.

Careers in Plastics

Learn about opportunities for working in the growing field of plastics, including the emerging area of "green" technologies, in this video segment adapted from Pennsylvania College of Technology and WVIA.

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Cars in America: Investing in Detroit's Future

From FRONTLINE Heat, this video explores the car industry's resistance to higher fuel efficiency standards.

The Chandra X-Ray Observatory

Learn about the Chandra X-Ray Observatory's telescope system, science instruments, and spacecraft system in this interactive activity adapted from NASA.

Chernobyl: What Really Happened?

This text excerpted from Richard Rhodes' book, Nuclear Renewal and reprinted on the FRONTLINE Web site examines the causes of the Chernobyl accident.

China’s Innovative Past

This audio segment from PRI's The World Science Podcast explores the roots of China's creative past and examines why China, a country that over 1500 years came up with some of the most important inventions the world had ever seen, might have lost its innovative edge to the West.

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Choosing a STEM Career

Students will view video clips about graduate and middle school students with interests in STEM careers and compare technologies from yesterday with today. They will explore careers on-line before writing about their futures as STEM professionals.

Citigroup Skyscraper Design Problem

This video segment adapted from Building Big looks at the challenges faced by structural engineer William LeMessurier in designing a new skyscraper and how he very closely averted disaster.

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City Farm

In this interactive game from WGBH, players learn about sustainable practices by growing crops, protecting them against unforeseen problems, and determining how best to conserve resources.

Classical vs. Transgenic Breeding

This video segment from FRONTLINE/NOVA: "Harvest of Fear" explains that genetic engineering and classical breeding both alter the genetic makeup of crop plants.

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Clean Coal?

Explore the challenges facing the deployment of clean coal technology in this video segment adapted from FRONTLINE: "Heat."

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