The Hayward Fault: A Tectonic Timebomb

Earthquakes are part of the geologic fabric of California. In this audio report from QUEST produced by KQED, find out why one East Bay fault line has geologists particularly worried.

High-Tech Agriculture

In this video adapted from ATETV, hear how Kirkwood Community College students are learning to apply new technologies like GPS and GIS to the agricultural industry.

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Hoover Dam

This video segment from Building Big: "Dams," demonstrates the basic principals at work in the Hoover Dam, a concrete gravity dam that also makes use of the properties of the arch.

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Hoover Dam and Hydroelectric Power

How does a dam generate electricity and what are the environmental impacts of operating these mammoth structures? Find out in this video segment adapted from Building Big.

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How Is a Radio Wave Emitted?

This illustrated essay from A Science Odyssey Web site explains the science behind radio waves, including the role of electrons and electromagnetic fields.

How Jonathan Met Kitten

This video segment from FRONTLINE: "digital_nation" shows how a powerful and long-lasting friendship developed online.

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How to Build A Road

Geology and weather introduced a variety of unexpected problems when construction crews were building the Alaska Highway. In this interactive activity from the American Experience Web site, see how Army engineers improvised solutions to blaze a trail through the wilderness.

Human Genome Project

This video segment from NOVA: "Cracking the Code of Life" looks at the meaning and significance of the effort to decode the human genome.

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Imaging with Radar

This interactive activity from NOVA features synthetic aperture radar (SAR), which uses radio waves to create high-quality images. Examine SAR images of Washington, D.C., and learn about this technology's unique advantages.

The Impact of Technology: Cars

This video segment adapted from A Science Odyssey looks at the invention of the automobile and the development of mass production.

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The Impact of Technology: Nylon

This video segment adapted from A Science Odyssey looks at the invention of nylon.

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The Index of Refraction and Snell’s Law

Learn about the index of refraction and Snell's law in this video from the ICT Center.

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India: Is India's Growth the Planet's Doom?

From FRONTLINE Heat, this video explores the rise of India’s economy and its potential to tip the balance of global carbon emissions.

Inflatable Moon Habitat

Visit an inflatable habitat designed for astronauts to live in on the Moon in this video adapted from NASA 360.

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Information Technology: Computer Systems Engineer

Watch how a community college education took one person from being a computer know-nothing to having a career as a successful information technologist, in this video adapted from Pathways to Technology.

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Information Technology Student: Technical & Network Support

In this video adapted from Pathways to Technology, a community college student discovers how his information technology (IT) skills can be applied in the working world.

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Information Technology Student: Computer Programming & Support

Learn how taking her first online course led one woman to study computer programming, in this video adapted from Pathways to Technology.

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Information Technology: Training & Careers

Explore the range of job opportunities you can pursue with an information technology (IT) degree, in this video excerpted from Pathways to Technology.

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Inside a Solar Cell

This interactive activity adapted from NOVA Online features animations that illustrate the components of a typical photovoltaic cell and how it converts solar energy into electricity.

Interference and Diffraction

Learn about interference and diffraction in this video from the ICT Center.

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Introduction to Plastics

Learn about the basic process of plastics production, and observe how monomers combine to form polymer chains, in this video segment adapted from Pennsylvania College of Technology and WVIA.

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Investigating a Suspension Bridge

In this video segment adapted from ZOOM, the cast builds a suspension bridge from a couple of chairs, some cardboard, and rope.

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It's Cool to Be a Civil Engineer

Who decides how massive structures like skyscrapers are made? This video segment adapted from Thinking Big, Building Small showcases the job of a civil engineer.

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Killer Microbe

Learn how biotechnology is used to analyze the evolution of a formerly harmless bacterium into a highly drug-resistant and lethal pathogen in this video segment adapted from NOVA scienceNOW.

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Kismet

In this video segment adapted from the Massachusetts Institute of Technology, researchers in the Artificial Intelligence Laboratory working to engineer smarter robots are now building a machine that interacts socially with people.

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Laser Technician Supervisor

Follow a laser technician supervisor at his state-of-the-art workplace, and hear about the wide range of job skills he uses every day, in this video segment adapted from Connecticut's College of Technology/Regional Center for Next Generation Manufacturing.

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Leadership on Climate Change: Can America Summon the Political Will?

From FRONTLINE Heat, this video examines whether or not government leaders can summon the political will to address climate change.

The Leaning Tower: Where It Stands Today

Will the Leaning Tower of Pisa give way to gravity? In this interview from the NOVA Web site, engineer John Burland relates the difficult job of saving the tower.

LED and Transmitter Characteristics

Learn about fiber optic transmitters in this video from the ICT Center.

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Lever an Obelisk

Investigate the mechanical advantage of the lever in this interactive activity from the NOVA Web site.

Liberty Lands

In this What's Up In The Environment? video segment, learn how a contaminated plot of land in Philadelphia was recycled into a beautiful public park called Liberty Lands.

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LIDAR 3D Mapping

See how researchers create 3-D maps of planets by using LIDAR (light detection and ranging) instruments in this video adapted from NASA.

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Life Goes On

In this video segment from Nature: “Radioactive Wolves”, biologists monitor how several animal species have been affected by long-term radiation exposure in the “Exclusion Zone” surrounding the site of the 1986 Chernobyl nuclear disaster.

Life Online

In this media-rich lesson, students examine how digital technologies have changed the way people communicate, and decide where they stand on a range of online behaviors.

Loading a Gel

This video produced by WGBH provides step-by-step instructions for loading samples into an agarose gel.

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Loading a Micropipette

This video produced by WGBH demonstrates how to load correctly a micropipette and dispense a solution.

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Loads Lab

This interactive activity from the Building Big Web site examines different types of loads and how structures might be reinforced to withstand them.

Longevity Genes

What is the secret to a long life? Hear from scientists using biotechnology to analyze relationships between specific genes and longevity in this video segment adapted from NOVA scienceNOW.

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Luis von Ahn: Computer Scientist

This video segment adapted from NOVA scienceNOW profiles Luis von Ahn, the computer scientist and award-winning college professor behind innovations to prevent e-mail spam and digitize rare books.

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Lysing

This video produced by WGBH provides step-by-step instructions for performing a lyses reaction to break open transformed cells.

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Making Electricity at a Coal-Burning Plant

This video from KET traces the energy transformations that occur when coal is burned to produce electricity. Some of the mechanical processes are also described.

Making Space Shuttle Tiles

Follow the fabrication process for the space shuttle's thermal tiles and see a surprising demonstration of their insulating qualities in this video segment adapted from NASA 360.

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Geospatial Revolution: Mapping Power

Kibera, a poor community, in Nairobi, was a blank spot on the map until recently. This video from Penn State Public Broadcasting’s Geospatial Revolution shows how geospatial technology enabled residents to map resources to help their community.

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Marine Technology Student: Marine Farming

Learn about marine technology and a career in ocean farming, in this video adapted from Pathways to Technology.

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Marine Technology Student: Submersible Technician

Learn what it's like to study marine technology, and seeunderwater robots developed by submersible technicians, in this video adapted from Pathways to Technology.

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Marine Technology: Training & Careers

Learn about opportunities in the field of marine technology, in this video from Pathways to Technology.

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Mars Dead or Alive: A Hostile Environment

This NOVA video segment describes the challenges presented by the frozen desert environment of Mars to NASA engineers designing two robots that will journey millions of miles to the red planet.

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Mars Dead or Alive: Welcome to Mars

This video segment from NOVA features the dramatic landing of the Spirit and Opportunity rovers on Mars.

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Mars Dead or Alive: Where to Land?

In this video segment from NOVA, engineers and scientists designing the Spirit and Opportunity rovers struggle to choose landing spots both safe enough for landing and geologically promising.

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Materials Lab

This interactive activity from the Building Big Web site explores the properties of different types of building materials.