There are over one billion cars in the world right now, getting people from point A to point B. But cars aren't just a mode of transportation; they also teach an excellent lesson in chemistry. Cynthia Chubbuck navigates the intricate...

Mr. Andersen explains how sound waves are created and perceived. A brief discussion of pitch and loudness are included. A generated sound of varying pitches is also included.

Howcast - Learn how to care for your bathing suit with the tips from swimsuit expert Candace Draper in this Howcast video.

How do you know if you're depressed? Sometimes it can be hard to tell if you have a clinical depression, or if you have a temporary sadness.
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How do doctors diagnose depression? There are several depression symptoms that...

Dive into the thrilling world of The Race of Gentlemen, where vintage cars race on the beach, bridging generations.

When Queen Jocasta of Thebes gave birth to Oedipus, a grim air seized the occasion. Her husband, King Laius, had received a prophecy from Apollo's oracle foretelling that he would die at the hands of his own son. Determined to escape...

In this video Paul Andersen explains how the energy of a wave if directly related to the amplitude of a wave. The wave energy of a sound wave is the volume of the wave.

Thora Birch shares her journey from "Hocus Pocus" to "American Beauty," discussing the enduring appeal and lessons learned from her iconic roles.<br/>

This video explains how sound waves can be displayed on an oscilloscope and how the amplitude and frequency of the waveform relate to the loudness and pitch of the sound. The video uses examples of different sound waves and the...

In this video lesson, students will learn how to interpret solutions to equations and inequalities. They will understand the meaning of the equal sign and how it represents the same value on both sides of the equation. They will also...

Despite the backlash, Corey Pegues completed and published his memoir. He has been tirelessly sharing his story and emphasizing the importance of second chances. His conflict with the NYPD has continued. Cops and Robbers part 4/4

How many decibels would be recorded by the loudest sound waves your ears could possibly process? The loudest sound might be quieter than you think (because of how sound waves work)...or it might be louder than you think (because of how...

Everyone has that friend who loves records and insists that analog music is superior to digital. But is that true?



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Correction: Although this graphic can be found in many seemingly...

The pigments in our food all get destroyed on their way through our digestive system...so where do the colors of our poop and pee come from?

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FYI: We try to leave jargon out of...

Sound waves vibrate more than just our eardrums, they can also make visual art!

The concept of Athenian democracy has had enduring influence on later lawmakers. Paul Cartledge surveys this tradition. View the key document of Athenian democracyhttp://www.bl.uk/manuscripts/FullDisplay.aspx?ref=Papyrus_131&index=0'...

This video provides an introduction to the section.
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This clip is from the chapter "Web Application Security Testing with Google Hacking" of the series "Web Hacker's Toolbox - Tools Used by Successful Hackers".This section...

Howcast - Learn how to do a fakie 180 frontside from competitive skateboarder Nate Cohen in this Howcast skateboarding video.

If a tree falls in a forest and no one is around to hear it, does it make a sound? Philosopher George Berkeley asked this famous question in 1710, and people are still debating it.



Where is the forest...

Upon viewing the What is Sound video series, students will be able to do the following: Understand that sound is produced when matter vibrates. Explain that sound energy can travel through air, liquids, and solids, which are generally...

Upon viewing the The Nature of Waves video series, students will be able to do the following: Define waves as traveling disturbances that carry energy through matter or space. Explain that waves do not actually move matter. Instead,...

Let's discuss the arithmetic operators available in JavaScript to perform operations on constants and variables and look at the different operators available in JavaScript.

This is a lecture video explaining how loudspeakers work by utilizing the motor effect, which is when a current-carrying conductor experiences a force when placed in a magnetic field. The video demonstrates this effect on a conductor...

Techno-optimist Vinod Khosla believes in the world-changing power of "foolish ideas." He offers 12 bold predictions for the future of technology — from preventative medicine to car-free cities to planes that get us from New York to...