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  • 14:27 Popular Amplitude, Period, Frequency and Wavelength of Periodic Waves

    Amplitude, Period, Frequency and Wavelength of Periodic Waves

    737 views / 0 likes - added

    Amplitude, period, frequency and wavelength of periodic waves More free lessons at: http://www.khanacademy.org/video?v=tJW_a6JeXD8

  • 09:44 Popular How to Measure Wavelength of Light with a Meter Stick - The Science of Light with Mr. G - Part 2

    How to Measure Wavelength of Light with a Meter Stick - The Science of Light with Mr. G - Part 2

    1,205 views / 0 likes - added

    **WARNING: This video contains math. Math has been known to cause great anxiety and even scare people. Please watch this video at your own risk. Or, just be brave and learn something new today! ~Craig Beals and Glenn Govertsen from the Mr. G Science Show

  • 25:26 Popular Waves, Light and Sound - Physics 101 / AP Physics 1 Review with Dianna Cowern

    Waves, Light and Sound - Physics 101 / AP Physics 1 Review with Dianna Cowern

    1,347 views / 1 likes - added

    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 in this video: 1.

  • 04:59 Visualizing Ultrasound with Schlieren Optics Part I

    Visualizing Ultrasound with Schlieren Optics Part I

    269 views / 0 likes - added

    Part 1 of 3. We use a schlieren optics system with a strobing light source to visualize ultrasonic waves emitted by a transducer driven at a frequency of 28 kHz.Images employing schlieren optics are very sensitive to changes in the density of air. Since s

  • 03:26 Skylight: More Than Meets the Eye

    Skylight: More Than Meets the Eye

    498 views / 0 likes - added

    The sky is awash in light, but there’s much more beyond the visible that we cannot sense with our eyes. What do we see when we use telescopes to peer into the invisible? #astronomy #space #visiblelight #wavelength #infrared #MilkyWay #Andromeda #stars #CM

  • 06:19 What is the Heisenberg Uncertainty Principle: Explained in Simple Words

    What is the Heisenberg Uncertainty Principle: Explained in Simple Words

    509 views / 0 likes - added

    Heisenbergs uncertainty principle says that if we know everything about where a particle is located, we know nothing about its momentum. Conversely, if we know everything about its momentum, then we know nothing about where the particle is located. In oth

  • 06:32 Seeing the Invisible: SLOW MOTION Schlieren Imaging

    Seeing the Invisible: SLOW MOTION Schlieren Imaging

    510 views / 0 likes - added

    This is what the world would look like if you could see invisible air currents, temperature gradients, and differences in pressure or composition of the air. Support Veritasium on Patreon: http://ve42.co/patreon Special thanks to Patreon Supporters: Tony

  • 00:41 Watch: This telescope could 'see' inside alien worlds for the first time

    Watch: This telescope could 'see' inside alien worlds for the first time

    294 views / 0 likes - added

    Credit: Chuck Carter/Caltech/KISSA telescope array in France looks for radio signals whipped up by the magnetic dynamos of exoplanets. Just what could it mean for our understanding of far-off worlds?Another observatory, the Owens Valley Long Wavelength Ar

  • 04:50 How We See Color

    How We See Color

    542 views / 1 likes - added

    When you mix red and green, what do you get? White light is all of the colors, right? So, how do computer screens show you every wavelength of light? Or do they? instagram.com/thephysicsgirl facebook.com/thephysicsgirl twitter.com/thephysicsgirl physicsgi

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  • 05:12 Popular How a Microwave Oven Works

    How a Microwave Oven Works

    825 views / 0 likes - added

    Bill details how a microwave oven heats food. He describes how the microwave vacuum tube, called a magnetron, generates radio frequencies that cause the water in food to rotate back and forth. He shows the standing wave inside the oven, and notes how you

  • 05:58 Popular Light Waves, Visible And Invisible - Lucianne Walkowicz

    Light Waves, Visible And Invisible - Lucianne Walkowicz

    1,502 views / 1 likes - added

    View full lesson: http://ed.ted.com/lessons/light-waves-visible-and-invisible-lucianne-walkowicz Each kind of light has a unique wavelength, but human eyes can only perceive a tiny slice of the full spectrum -- the very narrow range from red to violet. Mi

  • 04:03 Sound + Fire = Rubens' Tube

    Sound + Fire = Rubens' Tube

    363 views / 0 likes - added

    Sound waves in a tube of gas create flames of different heights that dance to the music. A metal tube with holes in it is filled with gas. The gas is lit to create a row of tiny flames. A speaker at one end plays sound into the tube, which creates a stand

  • 05:50 Seeing The Smallest Thing In The Universe

    Seeing The Smallest Thing In The Universe

    608 views / 0 likes - added

    Beyond molecules and atoms, how far down can we see below the wavelength of visible light? What is the smallest possible scale in the universe? Frog animation by Matt Burns Facebook: http://www.physicsgirl.org/facebook Twitter: http://www.physicsgirl.org/

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  • 04:22 Earth's mysterious red glow, explained - Zoe Pierrat

    Earth's mysterious red glow, explained - Zoe Pierrat

    181 views / 0 likes - added

    Explore the phenomenon and uses of chlorophyll fluorescence, a small amount of light emitted by plants during photosynthesis.--In 2009, a satellite circled Earth, scanning and sorting the wavelengths reflecting off the planets surface. Researchers noticed

  • 10:34 Popular Light: Crash Course Astronomy #24

    Light: Crash Course Astronomy #24

    1,642 views / 0 likes - added

    In order to understand how we study the universe, we need to talk a little bit about light. Light is a form of energy. Its wavelength tells us its energy and color. Spectroscopy allows us to analyze those colors and determine an object’s temperature, dens

  • 06:04 Popular Is Energy Always Conserved?

    Is Energy Always Conserved?

    1,350 views / 0 likes - added

    This episode is brought to you by Squarespace: http://www.squarespace.com/physicsgirl PBSDS Survey: https://www.surveymonkey.com/r/pbsds2016 When light passes through the universe and is redshifted by the expansion of space itself, how is energy conserved

  • 11:13 The World in UV

    The World in UV

    527 views / 0 likes - added

    UV cameras expose a hidden world and reveal the incompleteness of our perception The Physics Girl looks at sunscreen: https://youtu.be/GRD-xvlhGMc How to make sunscreen from scratch: https://youtu.be/lMXAY5F28L0 In summary, ultraviolet light interacts dif

  • 04:34 Ultrasonic Levitation

    Ultrasonic Levitation

    206 views / 0 likes - added

    Acoustic levitation meets Schlieren optics: By reflecting a sound wave back onto itself, one can secure a standing wave if the distance between the source of the sound and the reflector is equal to an integral number of half wavelengths. In this demonstra

  • 18:56 How Cell Service Actually Works

    How Cell Service Actually Works

    130 views / 1 likes - added

    Sign up for a CuriosityStream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: http://CuriosityStream.com/wendoverWatch Extremities at http://youtube.com/extremitiesBuy a Wendover Productions t-shirt: h

  • 15:16 Popular Planck's Constant and The Origin of Quantum Mechanics | Space Time | PBS Digital Studios

    Planck's Constant and The Origin of Quantum Mechanics | Space Time | PBS Digital Studios

    1,154 views / 0 likes - added

    To check out any of the lectures available from Great Courses Plus go to http://ow.ly/K9mK301cRdj and get ready to learn about everything from cooking to calculus. Previous episode on Quantum Tunneling and the de Broglie Wavelength: https://www.youtube.co

  • 09:07 The Absurdity of Detecting Gravitational Waves

    The Absurdity of Detecting Gravitational Waves

    469 views / 0 likes - added

    A head-vaporizing laser with a perfect wavelength detecting sub-proton space-time ripples. Huge thanks to Prof Rana Adhikari and LIGO: http://ligo.org Here's how he felt when he learned about the first ever detection: https://youtu.be/ViMnGgn87dg Thanks t

  • 14:17 This Invisible Light Shows Us What Our Eyes Can't See

    This Invisible Light Shows Us What Our Eyes Can't See

    666 views / 0 likes - added

    Infrared light is all around us even though we cannot see it. Find out how this invisible radiation impacts our everyday lives. Everything Scientists Could Learn By Looking At Your Skull - https://youtu.be/PtG9uB5C7Sk Sign Up For The Seeker Newsletter Her

  • 02:40 Why Can Blu-rays Hold More Than DVDs?

    Why Can Blu-rays Hold More Than DVDs?

    438 views / 1 likes - added

    Blu-rays can hold about ten times more than DVDs because Blu-ray players use special blue lasers to read them. But it took a while for scientists to figure out how to make those lasers work. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the

  • 05:13 What the coronavirus looks like up close

    What the coronavirus looks like up close

    357 views / 0 likes - added

    Seeing the virus up close helps us understand it.Support Vox by joining the Video Lab at http://vox.com/join or making a one-time contribution: http://vox.com/contributeThe images of SARS-CoV-2, the novel coronavirus that first appeared in humans in late

  • 02:28 Scientists Just Used a Tractor Beam to Levitate the Largest Object Yet

    Scientists Just Used a Tractor Beam to Levitate the Largest Object Yet

    441 views / 0 likes - added

    The world’s most powerful tractor beam just lifted a 2 centimeter ball, but could it make levitating humans a reality? One Shot Could Provide All the Vaccines You'll Ever Need - https://youtu.be/qQ1VKYX4Vl0 Thumbnail image courtesy of University of Bristo

  • 03:20 Could Magnonics Spark the Extinction of Electronics?

    Could Magnonics Spark the Extinction of Electronics?

    449 views / 0 likes - added

    Faster, more efficient electronics may be on the horizon thanks to a creative use of magnetism... as soon as we can stop blowing stuff up. Meet "magnonics." Photonic Chips Will Change Computing Forever... If We Can Get Them Right - https://youtu.be/rUMx1R

  • 04:16 Jellyfish Lasers Are Revolutionizing Quantum Physics

    Jellyfish Lasers Are Revolutionizing Quantum Physics

    603 views / 1 likes - added

    How are scientists using jellyfish to create super-advanced polariton lasers? And how do lasers even work in the first place? What Makes Some Animals Glow? - https://youtu.be/Bv6VkasWmrU Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Thank

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  • 09:57 This thing is -270C and is EVERYWHERE

    This thing is -270C and is EVERYWHERE

    259 views / 0 likes - added

    Download the PBS Video App: https://www.pbs.org/pbs-video-app/The universe is microwaving itself. A mystery signal discovered in the 1960s led to a Nobel prize. In this video, Dianna explores one of the most mysterious discoveries in physics - a constant

  • 04:27 Popular How Close Are We To An Invisibility Cloak?

    How Close Are We To An Invisibility Cloak?

    833 views / 3 likes - added

    Invisibility cloaks seem to be science fiction, but science is making them a reality. Don't miss Telescope premiering Feb. 20 at 9/8c on Discovery! How Brain Waves Can Control Physical Objects ►►►►http://bit.ly/1XvLX1M Sign Up For The TestTube Newsletter

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  • 1:01:18 A Decade of Sun

    A Decade of Sun

    200 views / 0 likes - added

    As of June 2020, NASA’s Solar Dynamics Observatory — SDO — has now been watching the Sun non-stop for over a full decade. From its orbit in space around the Earth, SDO has gathered 425 million high-resolution images of the Sun, amassing

  • 04:05 Apparently tree FINGERPRINTS are a thing

    Apparently tree FINGERPRINTS are a thing

    84 views / 0 likes - added

    Thanks to the ASCEND project for partnering with us on this video!Every species on Earth has a fingerprint - whether or not they have fingers at all. LEARN MORE**************To learn more about this topic, start your googling with these keywords: - Spectr

  • 04:03 This Massive Wall of Galaxies Is Lurking Beyond the Milky Way

    This Massive Wall of Galaxies Is Lurking Beyond the Milky Way

    588 views / 2 likes - added

    Cosmographers recently revealed a massive wall of galaxies lurking shockingly close by. But why was it hidden from our view for so long? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop

  • 09:41 What is Sound?  The Fundamental Science Behind Sound

    What is Sound? The Fundamental Science Behind Sound

    214 views / 0 likes - added

    Why does water sound the way it does? How do vinyl records work? Sound is everywhere, but at its core: What is sound? Also- What are sound waves? This video explains the fundamental science and key concepts behind sound using in-depth examples and animati

  • 02:50 Popular Why Do Some People Sneeze In Sunlight?

    Why Do Some People Sneeze In Sunlight?

    1,280 views / 1 likes - added

    You walk outside on a sunny day and BAM! A sneezing fit hits you. But why? Join Cristen as she explains the photic sneeze reflex. Learn more at HowStuffWorks.com: http://entertainment.howstuffworks.com/arts/circus-arts/human-blockhead2.htm Share on Facebo

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  • 04:26 How Crystals Can Turn Any Surface Into a Solar Panel

    How Crystals Can Turn Any Surface Into a Solar Panel

    257 views / 0 likes - added

    Scientists are on the hunt for a more efficient solar panel cell. Perovskites show a lot of promise, but face a few obstacles before they become commercially viable. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/Ele

  • 08:24 NASAs Future Telescopes Will Float at the Edge of Space

    NASAs Future Telescopes Will Float at the Edge of Space

    230 views / 0 likes - added

    NASA wants a new type of space telescope. A team of scientists and engineers at NASA are developing ways to send ultra cold and ultra large balloon telescopes to the edge of space, which could open up a brand new way of seeing the cosmos.Subscribe to Seek

  • 05:50 What The Color Of A Star Reveals About Its Composition

    What The Color Of A Star Reveals About Its Composition

    232 views / 0 likes - added

    People have noticed this range of colors in the stars throughout history and its actually a pretty good indicator of a stars temperature, chemical composition and life stage. In this episode, we explore why stars sometimes change color and how to spot an

  • 03:01 Popular Why Are Wine Bottles Usually Green?

    Why Are Wine Bottles Usually Green?

    2,640 views / 0 likes - added

    Most wine bottles are green. Is it because they're pretty? Or do they protect the booze juice inside somehow? Learn more at HowStuffWorks.com: http://science.howstuffworks.com/innovation/edible-innovations/winemaking.htm Share on Facebook: Share on Twitte

  • 08:06 It took 10 YEARS (But it was worth it) - Amazing Science Gadgets/Toys 6

    It took 10 YEARS (But it was worth it) - Amazing Science Gadgets/Toys 6

    42 views / 0 likes - added

    Hello Everyone Sit back and relax. Enjoy 8 minutes of oddly satisfying scientific curiosities featuring various mind-blowing stuff!If you guys liked this video please follow us on Instagram : https://www.instagram.com/physicsfun/And subscribe to our chann


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