Energy Sources & Systems: Fuel Cells
This PowerPoint presentation, from Dr. Darwin Boyd's Sustainable Energy I course at Kent State University, introduces college students to the history, chemistry, and use of fuel cells. The slides cover the five major types of fuel cells, polymer electrolyte membrane (PEM), alkaline (AFC), phosphoric acid (PAFC), molten carbonate (MCFC), and solid oxide (SOFC), as well as the advantages and disadvantages of fuel cell technology. Many of the slides include presenter notes.
How Humans Speak, Sing, Squeak and...
The National Center for Voice and Speech developed this series of mini-courses and tutorials to assist people with difficult concepts in voice production....
The Concord Consortium is a non-profit educational technology group that has been designing teacher-ready tools, from lesson plans to activities, for over two...
Educators assembling lessons on biotechnology will find much to appreciate in this list of teacher resources from the North Carolina Biotechnology Center. Here...
The Space Science Institute has built a website geared toward the constructivist learning approach, which posits that learning entails an active and fluid...
Everything (mathematics) is illuminated in this excellent thirteen-part series created by Annenberg Media for adult learners and high school teachers. As their...
AMSER is a portal of educational resources and services built specifically for use by those in Community and Technical Colleges but free for anyone to use.
AMSER is funded by the National Science Foundation as part of the National Science Digital Library, and is being created by a team of project partners led by Internet Scout.
The oldest work involving mathematics was written by Ahmes, an ancient Egyptian scribe around 1650 B.C. In this work, the Rhind papyrus, one section is titled "Directions for Knowing All Dark Things."
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