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Bill shows how the three key characteristics of laser light - single wavelength, narrow beam, and high intensity - are made. He explains the operation of a ruby laser - the first laser ever made - showing how electronic transitions create stimulated emission to give coherent light, and then how the ends of the ruby cavity create a narrow wavelength highly collimated beam. You can learn more about laser in the EngineerGuy team's new book Eight Amazing Engineering Stories 🤍
Ever wondered how lasers and bass could jam together? 🤔 Well, we turn a bedroom into a surreal sound and light show! 🎵🌈 Unmissable for EDM lovers and tech enthusiasts alike! 🎶🤖 #shorts #bass #laser #edm #musicproduction #lasershow #sounddesign #producer
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Laser weapons have long been a staple of science fiction, but in recent years, significant strides have been made in their development and deployment by the United States military. With the potential to revolutionize modern warfare, these directed-energy systems offer unprecedented speed, precision, and versatility in engaging and neutralizing various threats.
Get your Action Lab Box Now! 🤍 Source on negative Kelvin:🤍 In this video I show you what it means to have negative temperature by focusing a laser beam down to a single point. I show you what happens if you try to focus a light down to a single point, then I show you how a laser is different due to population inversion. Follow me on Twitter: 🤍 Facebook: 🤍 My Other Channel: 🤍 For more awesome videos checkout: Darker Than Vantablack—Absorbs 99.9923% of Light 🤍 Amazing experiment actually makes black fire 🤍 Crushing My Own Hand In a Hydraulic Press—Crazy Experiment on My Brain 🤍 What Does a 4D Ball Look Like in Real Life? Amazing Experiment Shows Spherical Version of Tesseract 🤍 How I Made an Ant Think It Was Dead—The Zombie Ant Experiment 🤍 What Happens if You Open a Vacuum Chamber Under Water? And Do Vacuums Float? 🤍 Can Light be Black? Mind-Blowing Dark Light Experiments! 🤍 Mirror-Polished Japanese Foil Ball Challenge Crushed in a Hydraulic Press-What's Inside? 🤍 Mixing the World's Blackest Paint With the World's Brightest Paint (Black 2.0 vs LIT) 🤍 Is it Possible to Unboil an Egg? The Amazing Uncooking Experiment! 🤍 What if You Try To Lift a Negative Mass? Mind-Blowing Physical Impossibility! 🤍 What Does a Giant Monster Neodymium Magnet do to a Mouse? 🤍 The Worlds Blackest Black vs The Worlds Brightest Flashlight (32,000 lumen)—Which Will Win? 🤍 How Much Weight Can a Fly Actually Lift? Experiment—I Lassoed a Fly! 🤍 DISCLAIMER: Any experiment you try is at your own risk
Have you ever wondered how lasers work? Well, we did! #inanutshell #kurzgesagt #kurzgesagt_inanutshell #youtubelearning #science #physics #lasers #howstuffworks #scienceshorts #lightsaber #sciencefacts #physicsquestions Sources & further reading: 🤍 Follow us for more sciencey content! 🦆 OUR CHANNELS ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ German: 🤍 Spanish: 🤍 French: 🤍 Portuguese: 🤍 Arabic: 🤍 Hindi: 🤍 Japanese: 🤍 Korean: 🤍 HOW CAN YOU SUPPORT US? ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ This is how we make our living and it would be a pleasure if you support us! Get Products designed with ❤ 🤍 Join the Patreon Bird Army 🐧 🤍 DISCUSSIONS & SOCIAL MEDIA ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ TikTok: 🤍 Reddit: 🤍 Instagram: 🤍 Twitter: 🤍 Facebook: 🤍 Discord: 🤍 Newsletter: 🤍 OUR VOICE ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ The Kurzgesagt voice is from Steve Taylor: 🤍 OUR MUSIC ♬♪ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ 700+ minutes of Kurzgesagt Soundtracks by Epic Mountain: Spotify: 🤍 Soundcloud: 🤍 Bandcamp: 🤍 Youtube: 🤍 Facebook: 🤍
I like fiber optic lamps but their brightness always disappoints me. They are too dim to really impress me. No matter if it is an old halogen or new LED type. Time to upgrade my two fiber lamps! Make them brighter - much brighter. Will I succeed or is there a limit I overlooked? LaserCube 7.5W Ultra donated earlier by 🤍 for this video: 🤍 My Patreon-page: 🤍 Other videos worth a watch: Yellow lasers!? Finally - after 25+ years of collecting!: 🤍 Hidden Hazards of Halogen Lamps: 🤍 Crazy difference between 5W LASER and 5W LED!: 🤍 Monster magnet meets subwoofer...: 🤍 Did you miss one of my videos?: 🤍 FULL MUSIC CREDITS Time codes: 0:01 + 13:46 "Long Note Two" Kevin MacLeod (incompetech.com) ISRC: USUAN1100420 Time codes: 0:55 + 5:00 + 11:05 "Perspectives" Kevin MacLeod (incompetech.com) ISRC: USUAN1300027 Time codes: 2:48 + 7:17 "Lightless Dawn" Kevin MacLeod (incompetech.com) ISRC: USUAN1100655 Time codes: 4:29 + 8:48 "Impact Lento" Kevin MacLeod (incompetech.com) ISRC: USUAN1100619 Time code: 10:06 "Supernatural" Kevin MacLeod (incompetech.com) ISRC: USUAN1100397 Time code: 11:51 "Ossuary 6 - Air" by Kevin MacLeod (incompetech.com) ISRC: USUAN1500048 Time code: 12:32 "Floating Cities" Kevin MacLeod (incompetech.com) ISRC: USUAN1600018 All music above licensed under Creative Commons: By Attribution 3.0 License 🤍 Time code: 9:42 Mix of two tracks: 1) The Shimmering by fran_ky (freesound.org/s/237363) Licensed under Creative Commons 0 license 2) "Spacial Harvest" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License 🤍 ISRC: USUAN1100653 #fiber #lamp #laser
Join the science discord! 🤍 Visit 🤍 and use promo code H4MUUKFG5VZY to get 5% off when purchasing the DJI Mavic Mini or Mavic Mini Fly More Combo I have been wanting to make this laser FOREVER and i could have made a hour long video on it. But dont worry, I have much more planned for this laser! TikTok - 🤍 Twitter - 🤍 Instagram - 🤍 secret discord 🤍 There were never any planes in danger and I can prove it with science. First of all, we never turned the beam on more than 4 amps (50 watts)because we were having cooling issues and couldn't really monitor it up on the car.. (we tried 6 amps once but it was too bright.) So assuming the beam stayed perfectly collimated, the beam would have an area of 430 square centimeters. If the laser was running at 25% power (4 amps/50 watts) that would be about 110mw/cm2 from the telescope. However, your pupil is only half this size fully open, so a pilot could theoretically receive a 50mw/cm2 exposure. A decent amount, but you have to remember even the smallest plane is traveling 150 miles per hour which would limit total exposure time to only 3ms( time it takes to cross a 9 inch beam). That puts it at the cusp of the maximum exposure limit, which is defined as "about 10% of the dose that has a 50% chance of creating damage under worst-case conditions." Here is the chart im referencing 🤍 So even under perfect conditions, this would still be 10x less than the exposure that carries a risk of damage. That's assuming perfect conditions, but in reality it was a hazy night, the laser would not be perfectly collimated, the atmosphere would distort the beam, the windows in the airplane would deflect some of the beam, unless the pilot was staring directly at the beam they would receive a smaller dose, I tried to keep the beam moving when up in the sky, and most planes are moving faster. all of this meaning the pilot would be exposed to a much lower amount of laser energy in the real world than under perfect conditions. even at full power this laser is still within the safety factor of the maximum exposure limit. Plus do you know the odds of hitting a plane with a laser when your trying not to? just pick a random star in the sky and wait for a plane to fly over it.
This laser can prevent lightning strikes. This is the Laser Lightning Rod, a car-sized laser that works by producing high-powered pulses that are emitted into the air. This ionized air channel then becomes an electrical conductor that can redirect lightning strikes. Amazing. To learn more about cool tech, subscribe! If you liked this video, here's a longer one I think you might enjoy: 🤍 #shorts #tech #sciencefacts #coolgadgets
Have you ever thought about buying a laser engraver or laser cutter? Don’t fall into the same trap that I did! Here are 6 things you should know before buying a laser engraver. An honest review from an xTool D1 pro 20w diode laser owner. If you think lasers are a waste of money, well... maybe not, but there are definitely things to consider before diving right in. Learn the truth about laser cutters in this video. ►TOOLS USED (affiliate links): · xTool D1 Pro USA 🤍 CA 🤍 UK 🤍 · Honeycomb bed 🤍 · Air assist 🤍 · In-line duct fan 🤍 · Exhaust ducting 🤍 · Exhaust flanges 🤍 · Surge protector 🤍 · Dewalt shop stool 🤍 ►ALL MY TOOLS & GEAR 🤍 ►PLANS & ONLINE STORE 🤍 ►Sign up for my NEWSLETTER: project updates, plans, woodworking book of the month and more! 🤍 ►SUPPORT ME ON PATREON 🤍 Stickers, discount on plans & more ►Follow me on SOCIAL MEDIA · Instagram 🤍 · TikTok 🤍 · Pinterest 🤍 · Facebook 🤍 · YouTube 🤍 #notsponsored #xtoolD1pro #lasercutter #diodelaser #laserengraver #xtool ►Chapters 0:00 Intro 0:25 The smell / fumes 1:40 My laser enclosure and setup 3:00 Costs - laser and accessory costs in detail 7:12 Diode laser limitations 8:29 Time consuming 9:18 Safety concerns 10:15 Should I ditch the laser? 11:10 Learning curve - Test project 3D logo
Thanks to eBay Motors for sponsoring this video! CLICK HERE 🤍 to search through thousands of tools, parts, cars and a whole lot more! You can even shop every part you see in today’s episode! This laser might be the coolest way to remove rust... but is it the best? We tested rust removal techniques from cheap to expensive to find out. Shout out to Senfeng for sharing their laser cleaning machine with us! Shop Donut Merch on our eBay Store: 🤍 New to the Channel? ►Watch this: 🤍 We upload almost every day, subscribe so you don't miss out! ►Subscribe here: 🤍 Click here for more info on joining the Donut Underground! ►🤍 Shop Donut Merch: ►🤍 Donut Media is at the center of digital media for the next generation of automotive and motorsports enthusiasts. We are drivers, drifters, and car enthusiasts who love to tell stories.
Lasers have unique properties - light that is monochromatic, coherent and collimated. But why? and what is the meaning behind he term laser. This video covers are fairly comprehensive explanation of the process of producing a laser beam. Subscribe - 🤍youtube.com/c/physicshigh LIKE and SHARE with your peers. And please add a COMMENT to let me know I have helped you. Support my work either regularly at Patreon: 🤍patreon.com/Physicshigh OR a one off payment at PayPal: pelooyen🤍gmail.com Physics High is committed to producing content that teaches physics concepts at a level a high schooler can understand. See 🤍physicshigh.com for all my videos and other resources. 👥 Social - Follow me on facebook: 🤍physicshigh twitter: 🤍physicshigh Instagram: 🤍physicshigh #highschoolphysicsexplained #physicshigh
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Get Surfshark VPN at 🤍 - Enter promo code STYROPYRO for 84% off and 4 extra months for free! I've always wanted an extremely powerful keychain laser "pointer" so I made it happen, even if it took supercapacitors and some of the craziest laser diode tech out there. Social media sillyness: shorts channel: 🤍 tiktok: 🤍 patreon: 🤍 backup channel and b-side videos: 🤍 discord: 🤍 Spirit's YT channel: 🤍 first song is "Deserts" by Text Me Records/Bobby Renz song at end is "Modern Situations" by Unicorn Heads
Ever considered getting laser eye surgery, but didn’t know how it worked? Allow us to help! There are three different main types of laser eye surgery: LASIK, SMILE, and Surface Laser Treatments, and each can be explained pretty easily. LASIK uses two lasers to open up a thin flap on the surface of the cornea, and then reshapes the cornea underneath. The flap is then placed back over the reshaped cornea, and heals independently with time. SMILE uses one laser to reshape the cornea through a small, self-healing hole. And Surface Eye Treatments remove the clear skin over the eye, to then reshape the cornea underneath with - you guessed it - a laser!
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Meile kirjutas üks mures lapsevanem, et tema tütar tahab ise kodus hambaid valgendada ja et see on väga popp. LaserTech tõttab appi ja katsetab enda peal ära ning muidugi külastame ka hambaarsti. 🤍telia.ee esitleb LaserTech SAATEJUHT Arija Helmvee PEATOIMETAJA Brigita Sepp OPERAATORID Ain Lepp Betti Säre MONTAAŽIREŽISSÖÖR Betti Säre PRODUTSENT Marii Karell Telegeenius Subscribe Laser Podcasti: 🤍 FB: Telesaade Laser IG: saadelaser TikTok: saadelaser
Welcome to what may very well be the most informative video on yellow lasers online. Simply because there aren't many yellow lasers around - making videos about them even rarer... After 25+ years of collecting lasers, I finally should have some too. Two new colors, supposed to be 561 nm and 591 nm, in the yellow gap between red and green. I will test their color (wavelength in nm) and power output. Are they as specified? Are they even yellow? This may depend on the eyes of the beholder. What do you think? My Patreon-page: 🤍 Recommended videos: Desert Sun Lamps: 🤍 Calculate laser lumens: What makes green lasers the BEST lasers?: 🤍 Comparing the two laser power meters: HWLPM Mini 10W vs. Sanwu Tracer 20W: 🤍 Did you miss one of my videos?: 🤍 FULL MUSIC CREDITS Time code: 0:01 "Darkness is Coming" Kevin MacLeod (incompetech.com) ISRC: USUAN1100584 Looped by me. Time codes: 0:54 + 3:21 + 8:13 "Perspectives" Kevin MacLeod (incompetech.com) ISRC: USUAN1300027 Time code: 1:46 "Martian Cowboy" Kevin MacLeod (incompetech.com) ISRC: USUAN1100349 Time codes: 4:26 + 6:39 + 13:53 "Adding the Sun" Kevin MacLeod (incompetech.com) ISRC: USUAN1900041 Time code: 5:50 "Energizing" Kevin MacLeod (incompetech.com) ISRC: USUAN1900040 Time code: 9:38 "Long Note Three" Kevin MacLeod (incompetech.com) ISRC: USUAN1100424 Time code: 10:35 "Impact Lento" Kevin MacLeod (incompetech.com) ISRC: USUAN1100619 All music above licensed under Creative Commons: By Attribution 4.0 License 🤍 Time code: 9:07 Mix of two tracks: 1) The Shimmering by fran_ky (freesound.org/s/237363) Licensed under Creative Commons 0 license 2) "Spacial Harvest" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 4.0 License 🤍 ISRC: USUAN1100653 #Yellow #Laser
Direct energy weapons such as lasers and high powered microwaves may soon be used to defend against drones and rockets on the battlefield. These futuristic sounding weapons are part of a new wave of devices produced from billions of dollars in research and development from the Defense Department. But how close is the U.S. military to using these weapons in the field? The Israel-Hamas conflict has shed new light on the need to defend against threats that range from small rockets to ballistic missiles. Israel has invested in the Iron Beam system, which produces a high-energy laser, to complement the Iron Dome batteries used to launch interceptors to take out incoming rockets. "Interceptors are just surface-to-air missiles that shoot down incoming weapons. And there's obviously a limited number of them in the launcher at any given time, and they cost money and they're expendable," said Bryan Clark, a senior fellow at the Hudson Institute. "A laser, on the other hand, gives you essentially an infinite magazine of interception opportunities, because the laser — as long as you've got electricity — will continue to recharge, continue to shoot down incoming weapons. "Many of these direct energy systems are now starting to be used more extensively in the field. The DE M-SHORAD, or Direct Energy Maneuver Short Range Air Defense system, was tested by the U.S. Army in 2023 at the Yuma proving grounds. The Navy has the HELIOS, or High Energy Laser with Integrated Optical-dazzler and Surveillance, installed on the U.S.S. Preble, a Arleigh Burke-class destroyer." We're at an inflection point right now, when it comes to the use of these directed-energy, laser weapons," said Masao Dahlgren, a fellow with the Missile Defense Project at the Center for Strategic and International Studies. "Various services in the U.S. military are prototyping these systems, bending metal, putting things out there and experimenting with them." Watch the video to find out what the future of laser weapons holds. Chapters: 1:52 - How lasers work 4:09 - The Iron Beam 6:00 - Military lasers 7:30 - What’s next? Producer Brad Howard Supervising Producer Jeff Morganteen Animations: Jason Reginato, Christina Locopo Additional footage, U.S. Department of Defense, Getty Images, Reuters » Subscribe to CNBC: 🤍 » Subscribe to CNBC TV: 🤍 About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more. Connect with CNBC News Online Get the latest news: 🤍 Follow CNBC on LinkedIn: 🤍 Follow CNBC News on Facebook: 🤍 Follow CNBC News on Twitter: 🤍 Follow CNBC News on Instagram: 🤍 #CNBC Why The Pentagon Is Spending Billions To Bring Laser Weapons To The Battlefield
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In this video, i have covered LASER with following outlines. 0. Light Amplification by Stimulated Emission of Radiation 1. LASER 2. Basics of LASER 3. Properties of LASER 4. Working of LASER 5. Stimulated Absorption in LASER 6. Spontaneous Emission in LASER 7. Stimulated Emission in LASER 8. Population Inversion in LASER 9. Cavity Resonance in LASER Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Optical fiber communication. #LASER, #PropertiesofLASER, #WorkingofLASER, #StimulatedAbsorptioninLASER, #Opticalfibercommunication