In this video Paul Andersen explains how the Earth's climate will natural change due to interactions between the Sun and Earth, volcanism, and plate tectonics. Species may go extinct leading to adaptive radiation or may move to a...

What shape do you most associate with a standard analog clock? Your reflex answer might be a circle, but a more natural answer is actually a torus. Surprised? Then stick around.

This episode of Space Time is actually about Spacetime, so pull up a chair, grab your favorite snack, and buckle up, because this episode is going to be a TRIP. Gabe explores what reality is, what "time" is, and why what you think those...

A video entitled "Represent with Histogram" covering the process of constructing a histogram by hand.

Howcast - Learn about reflexology from certified reflexologist Chantel C. Lucier in this Howcast video.

Howcast -Rock Band 3's features include a new Fender Mustang guitar to play in its all-new Pro mode. Here are some tips on how to use this plastic ax.

Howcast -Learn when to use "each other" vs. "one another" from Gotham Writers' Workshop instructor Stephanie Paterik in this Howcast grammar video.

This video explains the PKI (Public Key Infrastructure) and how it is used.

Cognitive scientist Victor Ferreira (UC San Diego) describes his philosophical position of being a so-called "functional dualist" together with the associated key distinction between type and token physicalism.

Cognitive scientist Victor Ferreira (UC San Diego) gives his perspective on the difference between the mind and the brain.

In this math lesson, the teacher discusses the concept of a function and uses a table to demonstrate how adding an ordered pair can affect whether or not the relationship between X and Y is a function. The viewer is asked to determine if...

In this video, you will learn how to create Spark DataFrame schema.
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This clip is from the chapter "Spark Data Sources and Sinks" of the series "Spark Programming in Python for Beginners with Apache Spark 3".In this section,...

The video explains the concept of redshift and blueshift in the context of galaxy movement and how it relates to the shift in wavelength of light emitted by a galaxy. The video then shows how to use an equation to calculate the shift in...

A google and amazon interview question with a really clever solution

In previous lectures we have seen that quadratic equations that have no solutions when only real values are considered, do have solutions when complex numbers are allowed as input and output values. In this lecture, we check the complex...

What is a function f(x) such that:


r/>x
f(x)r/>1
1/>2
1

>3 2
4 2
5 3
etc...

The trick to solving this puzzle is to find a function which returns 1 for even numbers and 0 for...

Dr. Lillard is a Professor of Psychology at the University of Virginia, and she is an elected Fellow of both the American Psychological Association (Division 7) and the Association for Psychological Science. She obtained her BA in...

Pitching to halves of the plate in baseball is critically important to throwing more strikes and getting ahead in counts. You can improve your pitching command instantly by simply giving yourself more room for error to miss, and the...

Defining strings and how to use them in Python programming

R is on the rise and showing itself as a powerful option in many software development domains. At its core, R is a statistical programming language that provides impressive tools for data mining and analysis, creating high-level...

👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...

Here we discuss the role of Astrology in Renaissance Medicine while looking at Albrecht Durer's famous print from 1514. The plate can be found in the Staatliche Kunsthalle gallery in Karlsruhe Germany.

Solutions to Problem 10.

Master Writing a single trigonometric expression using sum and difference formulas