Communicating with Light

Observe a group of children using light to communicate over a distance in this live-action video produced by WGBH. Use the video to observe strategies for using light to communicate across a distance as well as to design a light signal code to help you communicate to solve a problem from different locations. Support materials include: Background Reading, Teaching Tips, and Discussion Questions. This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. CREDITS: LICENSE:

LicenseCustom License

More videos by this producer

The Ocean: A Driving Force for Weather and Climate

Learn how the ocean relates to weather and climate in this video from NASA. Uneven heating from the Sun drives ocean and atmospheric circulation. Animations and satellite data show how ocean currents and eddies distribute energy and nutrients around the world. Heat exchanges between the ocean and th

The Index of Refraction and Snell’s Law

In this video from the ICT Center, learn about the index of refraction and Snell's law. Review a simple example of refraction, the speed of light in materials and the formula for calculating the index of refraction. Explore a table of the refractive indices of common media and materials used in fibe

Career Profile: Research Assistant Sandra Bustamante

Hear how a research assistant got her start in biotechnology — Sandra fell in love with science during her certificate program in Boston, Massachusetts. The video details not only Sandra's cutting-edge research work — using nanotechnology, rather than needles, to deliver vaccines — but also the qual