An introduction to red shift
An introduction to Refraction and Snell's Law. Created by Sal Khan.
An introduction to Refraction in Water. Created by Sal Khan.
Refraction of Seismic Waves. Created by Sal Khan.
Overview of Regulation of transcription.
In this video David shows how to relate the angular displacement to the arc length, angular velocity to the speed, and angular acceleration to the tangential acceleration. Created by David SantoPietro.
What makes two organisms members of different species? Learn about the forces behind reproductive isolation. By Ross Firestone.
Let's look at the properties of materials that cause a resistor to resist the flow of current. Created by David SantoPietro.
Resistors that come one after another. Created by Sal Khan.
Learn how to resize shapes proportionally to each other with fractions and variable expressions.
An overview of restricting grouped results with HAVING
David explains how to solve problems where an object rolls without slipping. Created by David SantoPietro.
Rosetta Stone, 196 B.C.E., granite, 114.4 cm x 72.3 x 27.9 cm or 45 x 28.5 x 11 inches, Ptolemaic Period (British Museum, London). Speakers: Dr. Beth Harris and Dr. Steven Zucker. Created by Beth Harris and Steven Zucker.
David explains the rotational kinematic formulas and does a couple sample problems using them. Created by David SantoPietro.
David explains what rotational kinetic energy is and how to calculate it. Created by David SantoPietro.
David explains moment of inertia and the rotational version of Newton's second law and shows how to solve an example problem. Created by David SantoPietro.
An introduction to single pole double throw(SPDT) switches. Created by Karl Wendt.
How is it pronounced? Why? Let's discuss...
This art history video discussion looks at Basilica of Santa Maria Maggiore, Rome, 5th century A.D.
Overview of saturated fats, unsaturated fats, and trans fats.