Anatomy of a Rover

In this interactive activity from NOVA, learn about the sophisticated scientific instruments on two identical robotic rovers that have explored Mars — Spirit and Opportunity.

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.

Eduardo Torres-Jara

In this video from Science City, meet Eduardo Torres-Jara, a postdoctoral associate in electrical engineering and computer science at the MIT Artificial Intelligence Lab. He describes his work on innovative robots that use tactile feedback to locate and grasp objects.

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Energy Sources

This video segment produced for Teachers' Domain illustrates a variety of energy sources used to generate electricity, some of which are in use and some of which are under exploration.

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Fuel Cells

In this video segment adapted from NOVA scienceNOW, hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon?

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Get Close to a Nuclear Fission Reaction!

Learn how scientists regulate a nuclear reactor in this animation-enhanced essay from the FRONTLINE Web site.

Global Warming: Beyond Fossil Fuels

Martin Hoffert, professor of physics at New York University, discusses global warming and alternative energies in this interview from the NOVA/FRONTLINE Web site.

Shaundra Bryant Daily

In this video from Science City, Shaundra Bryant Daily, an electrical engineer, describes a software program she developed to help girls reflect on their emotions, and how her two passions—science and dance—are connected.

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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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Lightning Hunters

Find out how scientists and engineers use rockets to attract lightning in this video segment adapted from NOVA.

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Nanowires and the Ever-Shrinking Microchip

This video excerpt from NOVA’s "Making Stuff: Smaller" and accompanying demonstration introduce students to small, thin wires, called nanowires, that may help make computers and electronics even smaller in the future.

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Nuclear Reaction: Fission

This video segment adapted from FRONTLINE looks at nuclear fission as an energy source that can be used to generate electricity.

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Off the Grid

This interactive activity produced for Teachers' Domain presents users with three hypothetical scenarios in which they are challenged to design a wind power system that will meet their electrical needs.

Radio Waves & Electromagnetic Fields

In this interactive simulation adapted from the University of Colorado's Physics Education Technology project, explore how a radio transmitter broadcasts electromagnetic radiation.

A Simple Fiber-Optic Communications System

Learn about rise-time analysis in fiber optic communications systems in this video from the ICT Center.

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Smart Power Grid

This video segment adapted from NOVA scienceNOW provides an overview of the existing United States power grid, and envisions a "smart" power grid that would prevent problems, such as blackouts, and reduce energy waste and pollution.

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