Sources of Capital
This clip looks at potential sources of capital for getting a new business off the ground. Apart from tapping one's own savings or other personal resources, the other options generally fall into two broad categories; deb..
Sources of Conflict
Some view conflict as an inevitable outgrowth of the combative side of human nature. In the business world, a basic source of conflict is competition for resources or recognition within an organization. But conflicts can..
Speaking for the Voiceless
Dr. Astrid Heger, Director of the Violence Intervention Program at L.A. County-USC Medical Center, talks about the dual frustrations of having to deal with an often unresponsive federal bureaucracy, as well as the attitu..
Species Loss and Environmental Problems
Paul Ehrlich, best known for his work on population growth, observes that species and diversity loss is the most irreversible of our environmental problems and should be getting much more attention.
Spreading
Renowned oceanographer and geophysicist Walter Munk observes that spreading decreases the energy of sound as it travels. Energy loss due to spreading is proportional to the square of the distance from the source.
Square Root of a Negative Number is Not a Real Number, The
The square root of any negative number is not a real number. Writing a negative number in radical form is illustrated.
Square Root of a Product, The
Illustrations of the rule for multiplying radicals: the square root of a times the square root of b equals the square root of the product a times b.
Square Roots of Decimal Numbers and Perfect Square Decimals
Finding the square root of a decimal is discussed, noting that any decimal that does not have an even number of places after the decimal cannot have an exact square root.
Square Roots: Couple of Practical Problems Involving Square Roots, A
This clip presents practical square root problems involving a garden and swimming pools. It explains that if we know the area of a square, we can figure out its side, because the side must be the square root of the area...
Square Roots: Defining and Finding Squares and Square Roots
This clip explains that the square of a number is the product of that number multiplied by itself. The clip then explains the relationship between a number and its square root, noting that the number 1 is its own square ..