Over the past decade, the undersea robots known as autonomous underwater vehicles (AUVs) have become increasingly important in oceanographic research. MBARI engineers recently demonstrated a new super-efficient AUV that can travel rapidly for hundreds of kilometers, "hover" in the water for weeks at a time, and carry a wide variety of instruments. For more information see:
http://www.mbari.org/news/news_releases/2010/lrauv/lrauv-release.html
This NBC News Learn video explains the basic role of pigment molecules -- carotenoids and anthocyanins -- in producing what humans see as color in flowers, as the pigment molecules absorb visible light of various color wavelengths.
http://www.ted.com Autism activist Temple Grandin talks about how her mind works -- sharing her ability to "think in pictures," which helps her solve problems that neurotypical brains might miss. She makes the case that the world needs people on the autism spectrum: visual thinkers, pattern thinkers, verbal thinkers, and all kinds of smart geeky kids.
TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give…
This video shows how to assemble a miniature theremin (an electronic musical instrument) from a kit.
To view full directions for this science project, see the "Music for Martians: Build and Play a Theremin Instrument" Project Idea at Science Buddies. https://www.sciencebuddies.org/science-fair-projects/project_ideas/Music_p035.shtml?ytid=sNoAVdTVe4w&ytsrc=description
Science Buddies also hosts a library of over 1,100 other free science fair "Project Ideas" for K-12 students, in a wide variety…
Wanda Diaz-Merced studies the universe through sound. After losing her eyesight in early adulthood, she found a way to continue her work as an astrophysicist by converting scientific data into sound.
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These robots are truly mind-blowing and fascinating.
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Special thanks to Professor Li Zhang for chatting to me about their creation.
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Written by: Mitchell…
Titration
Learn how to master the art of titration in this video with a detailed demonstration of an acid/base titration using phenolphthalein.
Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui
View the complete resource at: https://ocw.mit.edu/courses/res-5-0001-digital-lab-techniques-manual-spring-2007/
License: Creative Commons BY-NC-SA
More information at http://ocw.mit.edu/terms
More courses at http://ocw.mit.edu
WARNING NOTICE:
The experiments described in these…
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