Todas las ondas pueden transferir energía de un lugar a otro sin transferir materia. Esto se logra mediante una serie de perturbaciones o vibraciones que transportan la energía. Al igual que las personas en sus asientos, que solo se...

SETI (Search for Extraterrestrial Intelligence) astronomer and former longtime research director Jill Tarter describes the history of scientific searches for extraterrestrial life and how she became involved shortly after completing her...

Continuing with last week's introduction of calculus, Shini leads us through the ways that integrals can help us figure out things like distance when we have several other key bits of information. Say, for instance, you wanted to know...

This is a hard time for everyone, but not evenly. In this video I talk about how history can give us insight about the inequalities of this pandemic, but also give hope for the future?

Where is Japanese business seeing the best prospects for growth and investment globally?

This is a video discussing the reactions of acids and metals, and deriving the associated ionic equations. The video covers how different acids produce different salts when reacting with metals, and how to predict the resulting salt....

In this video, we are going to learn about volume of prisms, and how to calculate it. To start, we talk about length, and area. Length measures across one dimension and so is usually measured in cm or m. Area measures across two...

Nilgün Anadolu-Okur is an associate professor at Temple University’s College of Liberal Arts, and the director of African American Studies undergraduate program. Her publications include Dismantling Slavery: Frederick Douglass, William...

👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...

👉 Learn all about graphing natural logarithmic functions. A logarithmic function is a function with logarithms in them. A natural logarithmic function (ln function) is a logarithmic function to the base of e. The graph of the parent...

From nutrition, to food safety, to drug policy-how the Food and Drug Administration will shape the food industry in 2019.

Andrew Haldane, Executive Director for Financial Stability, Bank of England, speaking at the breakout panel entitled "How Can We Create a Financial System That Is Socially Useful?" at the Institute for New Economic Thinking's (INET)...

For players who want to get faster, these speed drills for baseball will help improve reactivity, low body angle, arm swing technique and more. Reduce your 60yd dash time and impress scouts.

Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...

👉 Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...

Hey there! Looking for fun, awesome piano lessons for kids ages 6-10? Check out this video!

👉 Learn all about condensing and expanding logarithms. In this playlist, we will learn how to condense and expand logarithms by using the rules of logarithms. We will use the product, quotient, and power rule for logarithms that include,...

In this video, we will determine the electric field at point P, which is located on the axis of a uniformly charged ring of charge Q and radius a, a distance x from the center of the ring. We will use Coulomb's law and an integral to...

Botswana's Okavango Delta and the Makgadikgadi Salt Pans are two ends of a 360-mile round trip zebra migration, the second longest on Earth. In this animation, shades of red show dry areas, green represents vegetation, and the dots...

MOT 1963: NEW YORK CITY GARMENT DISTRICT: Man pushing rack of 'Junior' clothing, dresses down sidewalk. Racks of clothing being pushed, moving up sidewalk. Iconic, fashion, design, Chelsea neighborhood, 1960s.

Learn about Beatrice Shilling, the British engineer who discovered an improved design for the Spitfire engineer and raced motorcycles.

This video explores the process used to create and manage roles in AWS.
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This clip is from the chapter "Solutions Architect Chapter 8 – Identity and Access Management (IAM) Best Practices" of the series "AWS Solutions...

A LOVEABLE 8-year-old boy has a form of dwarfism so rare he is believed to be one of only 28 cases in the world. Three-foot-tall Landen Johnson, from Lincolnton, North Carolina, has primordial dwarfism, one of the rarest forms of...

Today my friend Sarah and I are teaching you ASL Slang. Just like in English, ASL has its own idioms and slang that's developed and used by Deaf Communities. In this video we explore about 20 of those...