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5 volt power distribution board
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In this video we hack apart a bread board to create a 5 volt power distribution strip. The 5 volts comes from the center pin in the motor controller and the negative or ground comes from the ground pin on the motor controller. Created by Karl Wendt.

Subject:
Engineering
Life Science
Physical Science
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Karl Wendt
Date Added:
10/08/2012
6. 3D ray tracing part 2
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Now we just need to determine whether our intersection point is inside or outside the triangle.

Subject:
Computer Science
Creative and Applied Arts
Graphic Arts
Information Technology
Life Science
Physical Science
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Pixar
Author:
Disney Pixar
Khan Academy
Date Added:
08/10/2021
6. Binomial coefficient
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Let's put everything together. Get ready for a really powerful formula: the binomial coefficient (warning: you may need to watch this a few times!).

Subject:
Computer Science
Creative and Applied Arts
Graphic Arts
Information Technology
Life Science
Physical Science
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Pixar
Author:
Disney Pixar
Khan Academy
Date Added:
08/10/2021
6th graders learn to build a Spider robot
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Vicki Lombardi's 6th grade students at Santa Rita Elementary in Los Altos School district learn how to build a Spider robot. Read more at: http://lasdilearn.blogspot.com/2013/02/third-graders-building-robots-mission.html. Created by Karl Wendt.

Subject:
Engineering
Life Science
Physical Science
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Karl Wendt
Date Added:
03/28/2013
AC analysis intro 1
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Solving circuits with differential equations is hard. If we limit ourselves to sinusoidal input signals, a whole new method of AC analysis emerges. Created by Willy McAllister.

Subject:
Engineering
Life Science
Physical Science
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Willy McMaster
Date Added:
07/31/2016
AC analysis superposition
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We break a sinusoidal input voltage into two complex exponentials. Using superposition, we can recover the complex output signals and reassemble them into a real sinusoidal output voltage. Created by Willy McAllister.

Subject:
Engineering
Life Science
Physical Science
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Willy McMaster
Date Added:
08/03/2016
ATP synthase
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ATP synthase and its role in mitochondria during respiration and chloroplasts during photosynthesis.

Subject:
Biology
Life Science
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
10/23/2018
Acoustics of Speech and Hearing, Fall 2004
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Provides acoustical background necessary to understand the role of sound in speech communication. Analyzes constraints imposed by the properties of sound and human anatomy on speech production (sound production from airflow and filtering by the vocal tract); auditory physiology (transformation of acoustical waves in the air to mechanical vibrations of cochlear structures); and sound perception (spatial hearing, masking, and auditory frequency selectivity). The Acoustics of Speech and Hearing is an H-Level graduate course that reviews the physical processes involved in the production, propagation and reception of human speech. Particular attention is paid to how the acoustics and mechanics of the speech and auditory system define what sounds we are capable of producing and what sounds we can sense. Areas of discussion include: 1. the acoustic cues used in determining the direction of a sound source, 2. the acoustic and mechanical mechanisms involved in speech production and 3. the acoustic and mechanical mechanism used to transduce and analyze sounds in the ear

Subject:
Anatomy/Physiology
Life Science
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Braida, Louis
Date Added:
01/01/2004