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  • 02:57 Visualizing Ultrasound with Schlieren Optics Part II

    Visualizing Ultrasound with Schlieren Optics Part II

    25 views / 0 likes - added

    Part 2 of 3. We use our strobing schlieren system to look at diffraction and standing wave patterns in air created by an ultrasonic transducer (driven at 28 kHz) and a reflecting glass plate.More information about our schlieren optics set-up and how it wo

  • 05:59 Visualizing Ultrasound with Schlieren Optics Part III

    Visualizing Ultrasound with Schlieren Optics Part III

    21 views / 0 likes - added

    Part 3 of 3. We combine the stroboscopic effect with the use of color filters in our schlieren optics setup to visualize the changes in air pressure that occur in a standing wave created by an ultrasonic transducer (driven at 28 kHz) and a reflecting glas

  • 04:59 Visualizing Ultrasound with Schlieren Optics Part I

    Visualizing Ultrasound with Schlieren Optics Part I

    22 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

  • 04:14 Fibre Optics

    Fibre Optics

    262 views / 0 likes - added

    Check out this amazing experiment. Subscribe: https://www.youtube.com/user/hooplakidzlab

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  • 02:36 Time-Folded Optics

    Time-Folded Optics

    238 views / 0 likes - added

    With the rapid development of faster frame rates and more light-sensitive camera sensors, why aren't camera lenses quickly evolving as well? Researchers at the MIT Media Lab's Camera Culture group are addressing that question with a new way to utilize tim

  • 09:40 Geometric Optics: Crash Course Physics #38

    Geometric Optics: Crash Course Physics #38

    265 views / 0 likes - added

    Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/ LIGHT! Let's talk about it today. Sunlight, moonlight, torchlight, and flashlight. T

  • 03:49 Coanda Effect

    Coanda Effect

    27 views / 0 likes - added

    Fluids flowing near a surface tend to follow the shape of the surface. Using Schlieren optics, we can see this behavior. It is known as the Coanda Effect and its explanation depends on viscosity, the frictional forces between the molecules of a fluid (be

  • 04:34 Ultrasonic Levitation

    Ultrasonic Levitation

    22 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

  • 08:52 LENSES

    LENSES

    221 views / 0 likes - added

    Get our favorite science gear delivered to your door: http://www.curiositybox.com Twitter: http://twitter.com/DoOnlineNowGuysInstagram: http://instagr.am/doonlinenowguysVsauce PO Box: PO Box 33168 L.A. CA 90033***Click "SHOW MORE" For Links*** Ray Optics

  • 03:55 Witness the Solar Eclipse without Frying your Eyes or your Camera

    Witness the Solar Eclipse without Frying your Eyes or your Camera

    297 views / 0 likes - added

    America is preparing for a sea-to-shining-sea solar eclipse. Here’s how you can watch the spectacular display, and maybe even snap a photo to commemorate the event, without burning your retinas or damaging your camera’s optics.

  • 10:18 How to control light with water

    How to control light with water

    383 views / 0 likes - added

    How fast is the internet? How fast can we send data? This easy DIY experiment allows you to control light with water! Drill a hole in the bottom of a 2 liter bottle, fill the bottle with water allowing the water to stream out the hole, and a shine a laser

  • 16:03 Lenses, refraction, and optical illusions of light

    Lenses, refraction, and optical illusions of light

    675 views / 0 likes - added

    Optics, lenses, and optical illusions created by the refraction of light explained with 3D ray diagrams. My Patreon page is at https://www.patreon.com/EugeneK

  • 11:27 How Science Can Make You Invisible

    How Science Can Make You Invisible

    341 views / 0 likes - added

    We all want the superpower of invisibility. But in reality, science is the only way you might be able to become invisible. Here are ways science can make you invisible! Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated ► https://goo.gl/JyGcTt htt

  • 04:17 The story behind your glasses - Eva Timothy

    The story behind your glasses - Eva Timothy

    192 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-story-behind-your-glasses-eva-timothy What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light infor

  • 05:20 The hidden network that makes the internet possible - Sajan Saini

    The hidden network that makes the internet possible - Sajan Saini

    275 views / 0 likes - added

    Explore how fiber optics uses light to transmit data over long distances, and with integrated photonics, expands our virtual world beyond the internet. -- In 2012, a team of researchers set a world record, transmitting 1 petabit of data— that’s 10,000 hou

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  • 02:26 Casting a $20 Million Mirror for the World’s Largest Telescope

    Casting a $20 Million Mirror for the World’s Largest Telescope

    341 views / 0 likes - added

    Building a mirror for any giant telescope is no simple feat. The sheer size of the glass, the nanometer precision of its curves, its carefully calculated optics, and the adaptive software required to run it make this a task of herculean proportions. But t

  • 03:03 Is There Poop on the Moon? ft. Smarter Every Day

    Is There Poop on the Moon? ft. Smarter Every Day

    326 views / 0 likes - added

    What else did we leave on the moon? Smarter Every Day explains: http://bit.ly/JunkOnTheMoon Play with a corner reflector: http://labs.minutelabs.io/Optics/corner-reflector/ US Space and Rocket Center: http://www.spacecamp.com/museumHome MinutePhysics is o

  • 08:25 Real-Life 'Invisibility Cloak' Explained | WIRED

    Real-Life 'Invisibility Cloak' Explained | WIRED

    215 views / 0 likes - added

    Videos of a new product being called an invisibility cloak recently surfaced online. WIRED's Louise Matsakis spoke with its inventor and a physicist who studies optics to find out how it works and whether cloaking and invisibility are truly feasible. Stil

  • 02:51 Why Is the Sky Blue?

    Why Is the Sky Blue?

    386 views / 2 likes - added

    Jessi and Squeaks love watching clouds and birds fly way up in the sky! But why is the sky blue? ---------- Love SciShow Kids and want to help support it? Become a patron on Patreon: https://www.patreon.com/scishowkids ---------- Looking for SciShow elsew

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  • 06:50 Inside the Race to See the Edge of the Universe

    Inside the Race to See the Edge of the Universe

    150 views / 0 likes - added

    We're in the middle of a billion dollar telescope building boom, with new ground based observatories racing to see first light in the 2020s. Why Don't We Have a Photo of a Black Hole Yet? https://www.youtube.com/watch?v=7fFL9oLNJOI&t=2s Read More: Giant M

  • 10:36 Optical Instruments: Crash Course Physics #41

    Optical Instruments: Crash Course Physics #41

    298 views / 0 likes - added

    This episode of Crash Course Physics is supported by Prudential. Go to www.raceforretirement.com to learn how, if you start saving today, you can continue to enjoy the things you love tomorrow. How do lenses work? How do they form images? Well, in order t

  • 04:11 Why Twisted Light Holds the Key to Radically Faster Internet

    Why Twisted Light Holds the Key to Radically Faster Internet

    152 views / 0 likes - added

    With this new nanophotonic device, scientists might have just unlocked how to harness the data transfer potential of “twisted light”. How Ferroelectricity Could Change the Way We Store Data- https://youtu.be/IwT_ECJ1TEY Read More: Angular-momentum nanomet

  • 11:45 The Moon Terminator Illusion

    The Moon Terminator Illusion

    598 views / 0 likes - added

    http://www.twitter.com/tweetsauce http://instagram.com/electricpants Sources and sites to learn more below!!! dolly zoom effect: http://filmmakeriq.com/lessons/introduction-to-the-dolly-zoom/ visual angle: http://en.wikipedia.org/wiki/Angular_diameter htt

  • 21:40 Building the Perfect Squirrel Proof Bird Feeder

    Building the Perfect Squirrel Proof Bird Feeder

    72 views / 0 likes - added

    Squirrels were stealing my bird seed so I solved the problem with mechanical engineering :) Get your first month of KiwiCo for FREE!!! https://www.kiwico.com/markrober Here is an explanation of the illusion dish thing!- https://demos.smu.ca/index.php/demo

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

    Why Can Blu-rays Hold More Than DVDs?

    269 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

  • 03:19 Concave mirror  real image demonstration /// Homemade Science with Bruce Yeany

    Concave mirror real image demonstration /// Homemade Science with Bruce Yeany

    525 views / 1 likes - added

    This video features a device that uses a concave mirror to project the image of a small light bulb into an empty light socket. While it is possible to hide the source of the projected light from the viewers, I have found it better to allow students to eas

  • 08:01 Optical Fiber Cables - Christmas Lectures with David Pye

    Optical Fiber Cables - Christmas Lectures with David Pye

    163 views / 0 likes - added

    In 1985, fiber optic cables were just starting to get widely adopted. David Pye shows the principles behind them and how old telephone cables were swapped out for new ones. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the full lec

  • 04:12 This Is Not A Rainbow

    This Is Not A Rainbow

    502 views / 3 likes - added

    Tweet this ⇒ http://bit.ly/OKTBSchz Share on FB ⇒ http://bit.ly/OKTBSchzFB Check out Squarespace: http://squarespace.com/itsokaytobesmart ↓ More info and sources below ↓ The ABSOLUTE best place to learn more about atmospheric optics: http://www.atoptics.c

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  • 10:56 How to Make a Microscope From Scratch

    How to Make a Microscope From Scratch

    332 views / 0 likes - added

    After learning how to correct my vision by making eyeglasses from scratch, now I want to learn how to use optics to extend my vision to see the invisible world with a microscope. Thank you to foldscope with their assistance in making this possible! Check

  • 13:50 How to Make a Telescope from Scratch

    How to Make a Telescope from Scratch

    217 views / 0 likes - added

    Sign up for your free trial to The Great Courses Plus! http://ow.ly/8A0n30acnuX After making Eyeglasses and a Microscope from scratch, next I set my eyes to the skies and want to attempt a telescope from scratch! Thank you to Lewis Dartnell again for his

  • 03:36 How Scientists Can Manipulate Memories With Light

    How Scientists Can Manipulate Memories With Light

    244 views / 0 likes - added

    Scientists have found a way to trick the brain using light and optogenetics. What implications could this have for the future of medicine? How To Turn Bad Memories Into Good Ones - https://youtu.be/Zm5nnJNvcVE Sign Up For The Seeker Newsletter Here - http

  • 05:29 Personal Disease Scanner? -- Mind Blow #89

    Personal Disease Scanner? -- Mind Blow #89

    331 views / 0 likes - added

    Mind Blow features the latest news in science, technology and amazing! TWITTER: https://twitter.com/VsauceTwo **** SOURCES AND LINKS *** Quit Smoking While You Sleep (0:00) http://www.israel21c.org/headlines/learn-to-quit-smoking-while-you-sleep/ Exosuit

  • 06:37 Popular DO IT YOURSELF (Easiest Way) - How To Make A 3D Hologram Projector

    DO IT YOURSELF (Easiest Way) - How To Make A 3D Hologram Projector

    8,257 views / 13 likes - added

    How to turn your smartphone into a Hologram 3D projector. Easy Step by Step Instruction with free printout template . ✈ FREE PRINT OUT Template : https://goo.gl/K6d1I7 ✈ Link to a 3D Hologram video: http://m.youtube.com/watch?v=Y60mfBvXCj8 ------- Hologra

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