Economics Explained
Here's Why Supply And Demand Is Overrated!: Sticky Prices
If you were to ask any random person on the street what it is that they knew about economics there is a pretty good chance that the first thing that they would blurt out would be the words “Supply & Demand” The number of people out there...
Curated Video
Understanding and Applying the v² - u² = 2as Equation
This video lecture discusses the equation v^2 - u^2 = 2as, which is used to calculate the relationship between initial and final velocity, acceleration, and distance traveled over a period of time. The video outlines a three-step process...
Curated Video
Measuring Speed in the Laboratory
This video is a lecture presentation on measuring speed in the laboratory. The presenter discusses the basic equation for speed and explains how to measure distance and time accurately using rulers, measuring tape, stopwatches, or light...
The Art Assignment
What's Your Problem? | Ghana Think Tank | The Art Assignment
This week we head to Tijuana, Mexico to talk with John Ewing, Carmen Montoya, and Christopher Robbins of Ghana Think Tank, who are working on a project to encourage communication at the U.S-Mexico border.
Science Buddies
DIY Mini Propeller Car
Explore circuits by building your own mini propeller car in this fun STEM activity! A materials list and written instructions are available on the Science Buddies website:...
The March of Time
1939: NAZI WWII PROPAGANDA: XHA WS Panzer tanks moving out of field in line. VS Destroyed bridges, sabotaged. Nazis 'work crews' (forced labor) to repair, crew carries giant log, railroad tie. Calvary crossing repaired bridge w/ artillery cart.
MOT 1939: NAZI WWII PROPAGANDA: XHA WS Panzer tanks moving out of field in line. VS Destroyed bridges, sabotaged. Nazis 'work crews' (forced labor) to repair, crew carries giant log, railroad tie. Calvary crossing repaired bridge w/...
Curated Video
Inertia: Understanding and Calculating Inertial Mass
This video explains the concept of inertia and how it is quantified in terms of an object's mass and acceleration. The video uses examples of cars and lorries to demonstrate how larger masses require greater forces to be accelerated at...
Curated Video
Scalar and Vector Quantities and their Consequences on Force
The video discusses the differences between scalar and vector quantities, and how force is a vector quantity. The video also shows examples of vector quantities and how they can be represented by arrows. It also explains how multiple...
NASA
NASA Team Explores Using LISA Pathfinder as a 'Comet Crumb' Detector
LISA Pathfinder, a mission led by the European Space Agency (ESA) with contributions from NASA, has successfully demonstrated critical technologies needed to build a space-based observatory for detecting ripples in space-time called...
Curated Video
F = KE: Understanding the Relationship Between Force and Extension in Springs
This video is a lecture presentation on the theory of F = KE. The presenter explains the relationship between the force applied to a spring and the resulting extension caused by that force. The presentation includes calculations and...
Curated Video
Using Data on Stopping Distances: Analyzing Patterns and Drawing Conclusions
This video is a lecture presentation on using data on stopping distances. It discusses the different ways in which data on stopping distances can be presented graphically and how this data can be used to draw useful conclusions. The...
Curated Video
Falklands War From Argentina's Perspective | Animated History
Territorial disputes have been a constant throughout history, but few land squabbles have the longevity of the dispute over The Falkland Islands or Las Islas Malvinas. The islands have long been claimed by Argentina, but were ultimately...
Step Back History
What is the Zoroastrian Religion?
Zoroastrians have been around for over 2,000 years. Their influence can be found in Christianity and Islam, and they bring you cultural relics like the zodiacs. Today, we’re going to go deep in our Human history, maybe further back than...
Curated Video
Forces and Work: Understanding and Measuring Work Done
The video is a lecture or presentation on forces and work. The speaker defines what work is and provides examples of how energy is transferred from one form to another. The speaker also explains how to measure work and the equation for...
Global Ethics Solutions
Mental Makeover: Professional Ethics and Self-Discipline - Rediscovering Self-Discipline
The central theme of this course is self-discipline. How we think about ethical problems at work and how our mind processes these problems is a huge first-step in dealing with workplace dilemmas. This process of thinking about how we...
Flipping Physics
Example of Energy Transferred Into and Out of a System
Example: A 7.50 kg block on a level surface is acted upon by a force applied of 35.0 N at an angle of 25.0° below +x axis. The block starts at rest, the coefficient of kinetic friction between the block and surface is 0.245, and the...
Zach Star
The Math Needed for Computer Science
Computer science majors have to learn a different kind of math compared to MOST other majors (with the exception of math majors, plus computer and software engineers). This kind of math is important especially for those looking to go...
Science Buddies
Slippery Slopes and the Angle of Repose
Have you ever seen an avalanche or landslide roll down a hill? Why is it that at one moment, everything seems fine, then suddenly the mountain begins to slump? It has something to do with how the earth or snow is piled up on the...
Curated Video
Evolution of Japanese Uniforms | Animated History
In today's video, we'll be exploring the evolution of Japanese uniforms, from the Boshin War and the Meiji Restoration, through the Russo-Japanese War and both World Wars, to the present day.
Science Buddies
Build a Water Strider
Have you ever seen a water strider (also called water bugs, pond skaters, water skippers etc.)? They are bugs that effortlessly hop around on the surface of ponds, lakes, and rivers. How do they do it without sinking? Try this project to...
Curated Video
Vietnam, Cu Chi Tunnels from the Vietnam's War
The Cu Chi tunnels were the location of several military campaigns during the Vietnam War, and were the Viet Cong's base of operations for the Tet Offensive in 1968. In order to combat better-supplied American and South Vietnamese forces...
Curated Video
Eleanor of Aquitaine part 8: Aftermath of the Rebellion and Death of the Henrys
Fighting among Eleanor and Henry II's sons continues, this time against each other rather than united against their father. Eleanor remaines in prison, only emerging ocassionally when her presence is politically convenient to Henry II....
Curated Video
Understanding Distance-Time Graphs and Calculating Speed
The video explores distance-time graphs and how they can help us understand the motion of objects and calculate their speed. Using a specific example of a cyclist's journey, the video shows how to interpret the graph and calculate the...