Institute of Human Anatomy
How the Heart Contracts: Understanding the Electrical Activity and Heart Arrhythmias
In this video, the teacher explains how the heart is able to contract dependably through its natural pacemaker, the SA node, and other specialized cells. The electrocardiogram (ECG) is also discussed as a highly effective method of...
Visual Learning Systems
Sound: Interactions of Sound Waves
When you hear the roar of traffic, the bark of a dog, or your teacher's voice, you are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and...
Englishing
Lesson on the English GENITIVE (John's house - James' car)
In this lesson, Mr. P./Marc will look at the genitive. There are 4 rules that characterise it. The one taking an apostrophe S, the one taking just an apostrophe, the ones omitting the noun being owned, and those regarding things. Can...
Let's Tute
Creating a Sunset Landscape with a Pink Sky
This video demonstrates how to create a stunning sunset landscape with a pink sky using acrylic colors. It guides viewers step-by-step through the process, showing them how to blend colors, create ocean waves, and add details like clouds...
NASA
Rare Electric Blue Clouds Observed by NASA Balloon
On the cusp of our atmosphere live a thin group of seasonal electric blue clouds. Forming fifty miles above the poles in summer, these clouds are known as noctilucent clouds or polar mesospheric clouds — PMCs. A recent NASA long-duration...
Brave Wilderness
Diving with Sea Turtles!
On this episode of Beyond the Tide, Coyote and Mark go scuba diving with Sea Turtles in Hawaii! Sea Turtles, along with being incredibly majestic, are also the largest marine reptiles in world! Well known for their graceful presence and...
NASA
NASA | SDO's Helioseismic and Magnetic Imager (HMI)
Dean Pesnell, the SDO Project Scientist, explains how the Helioseismic and Magnetic Imager (HMI) instrument will allow us to see activity inside the sun and even on the other side of the sun. This video is available for download from the...
Curated Video
Interactions of Electromagnetic Waves with Charged Particles
In this video, the presenter discusses the interaction between electromagnetic waves and charged particles. The video covers examples of radio waves interacting with electrons and how they can create alternating currents in appropriate...
msvgo
Principle of Superposition of Waves
This nugget explains through mathematical expressions how two waveforms add up to give a net waveform.
Learning Mole
Earthquakes
A series that is perfect for PHSE and primary school students, each video will cover a dangerous situation and how to go about staying safe if ever students find themselves in these situations. This episode focuses on what to do in the...
Bizarre Beasts
The Ocean Bug That Can't Get Wet
There are at least 900,000 species of insects and the ocean is the largest biome on the planet, so you would think there would be tons of insects riding the waves. But it turns out the sea skaters are the only ones weird enough to make...
Physics Girl
Waves, Light and Sound - Physics 101 / AP Physics 1 Review with Dianna Cowern
Lesson 17 (Waves, Light, and Sound) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises...
Journey to the Microcosmos
Sand Is Full of Life and Death
James, our master of microscopes, gets samples of sand from beaches all over the world to help in his quest to learn more about interstitial ciliates—the single-celled organisms that live in the watery pockets that exist between grains...
Curated Video
Tensor Tympani Muscle: Why Do You Hear A Rumbling Sound When You Close Your Eyes Too Hard?
The tensor tympani muscle is a tiny muscle in the middle ear that helps dampens external sounds falling on the ear. The tensor tympani muscle originates from the Eustachian tube, which is also known as the auditory tube. From there, this...
Espresso Media
Gullfaks to Hebron: Constructing Troll A
Gullfaks to Hebron part 4/8: This video showcases the construction of the Troll A, a massive gas platform built to withstand the harshest weather conditions in the Norwegian Fiords. Employing slip-forming technology, the construction was...
Curated Video
The Effects of Wavelength and Speed on Electromagnetic Waves
This video is a lecture on the effects of wavelength and speed on electromagnetic waves. The speaker explains what can happen to a wave at the boundary between two media, including reflection and refraction. They also discuss how...
FuseSchool
Electromagnetic Waves | Electricity | Physics | FuseSchool
Electromagnetic Waves | Electricity | Physics | FuseSchool You may never have heard of the electromagnetic spectrum, but you would have heard of many parts of it and use them daily. They are all electromagnetic transverse waves that...
Curated Video
Can You Hear Sound in Space?
Space is full of radio waves, plasma waves, magnetic waves, gravitational waves, and shock waves, all of which can travel in space without a medium. These waves are recorded by instruments that can sense these waves, and the data is...
Professor Dave Explains
Quantum Mechanics of the Electron
We don't have to know too much physics to do chemistry, but the electron, the particle that makes all the chemistry happen, is a quantum mechanical particle, so we have to understand it just a little bit. Don't worry, no math, just...
NASA
NASA's Van Allen Probes Find Human-Made Bubble Shrouding Earth
Humans have long been shaping Earth's landscape, but now scientists know we can shape our near-space environment as well. A certain type of communications -- very low frequency, or VLF, radio communications -- have been found to interact...
The Telegraph
Waves of Russian troops 'crushed' in fresh assault on strategic eastern town of Chaziv
Waves of Russian troops are being "crushed" during a fresh assault on a strategically important town in eastern Ukraine. Mykola Salamakha, a Ukrainian colonel and military analyst, said that Moscow's assault on the Donetsk coal-mining...
msvgo
Transverse and Longitudinal Waves
It explains transverse and longitudinal waves, talks about crest and trough and compression and rarefaction and explains that sound waves are longitudinal waves.
Journey to the Microcosmos
Microbes Don’t Actually Look Like Anything
Microbes Don’t Actually Look Like Anything
Curated Video
Properties and Uses of Ultrasound
This is a lecture video discussing the properties and uses of ultrasound. The video begins by explaining the frequency of sound waves detectable by the human ear, and how ultrasound waves operate beyond the human hearing range. The video...