Tutorial: Solar Cell Operation

MIT 2.627 Fundamentals of Photovoltaics, Fall 2011 View the complete course: http://ocw.mit.edu/2-627F11 Instructor: Joe Sullivan This video summarizes how a solar cell turns light-generated mobile charges into electricity, highlighting the cell’s physical structure with layers with different dopants, and the roles of electric fields and diffusion of holes and electrons. License: Creative Commons BY-NC-SA More


Learn about the amazing science behind how a fuel cell vehicle uses hydrogen to create electricity. Learn more at http://automobiles.honda.com/clarity Available only at select dealers in California. For More Honda Clarity content follow us on social at: Facebook – https://www.facebook.com/hondaclarity Twitter – https://twitter.com/honda Instagram – https://www.instagram.com/honda/ Google + – https://plus.google.com/+Honda Pinterest – https://www.pinterest.com/honda/ Tumblr –

The Compost Pile

We need to move the compost pile because it is right in the middle of where our goat run is going to be. Jaime explains why we are moving the compost pile, the types of compost piles, and shares some information on composting. Gorilla Cart 1,200-Pound Heavy Duty: http://amzn.to/2nDtfcD Rode VideoMic Me: http://amzn.to/2nz6DwD If you

[ Art Berman ] — 2017 Outlook for Oil price

Erik Townsend welcomes Art Berman to MacroVoices. Erik and Art discuss: — Catalyst for the current decline in oil — Lack of confidence in OPEC — Record levels of oil inventories — Comparative inventories to past years — World production surplus — Global liquids consumption growth — OECD incremental liquids Inventory — EIA U.S. crude

Top 10 Bloodiest Moments From Planet Earth

Top 10 Bloodiest Moments From Planet Earth Subscribe: http://goo.gl/Q2kKrD For more great BBC Earth related content, check out their YouTube channel: https://www.youtube.com/user/BBCEarth TIMESTAMPS BELOW ———————– CHECK OUT WATCHMOJO’S NEW BOOK, LINKS BELOW! Nature is terrifying, and BBC’s Planet Earth shows animals at their most frightening and bloody. Lions, tigers and bears are all on full