Search Results: "feedback circuit"

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03:09
Potato chip circuit/macrochip with 555 timer circuit

428 views / 0 likes - added 4 years ago

A fun circuit on a potato chip, sort of a DIY microchip or macrochip, using a 555 timer circuit.This video was made possible in part by these Patreon supporters:Jonathan RiekePrintable ScienceSupport RimstarOrg on Patreon https://www.patreon.com/user?u=68
05:11 Popular
Feedback Loops: How Nature Gets Its Rhythms - Anje-Margriet Neutel

1,856 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/feedback-loops-how-nature-gets-its-rhythms-anje-margriet-neutel While feedback loops are a bummer at band practice, they are essential in nature. What does nature’s feedback look like, and how does it build the
09:37
Ideal Circuit Elements And Sources

501 views / 0 likes - added 8 years ago

Circuit Analysis | Electrical engineering | Khan Academy
09:44
Analyzing A Resistor Circuit With Two Batteries

551 views / 0 likes - added 8 years ago

Analyzing a resistor circuit with two batteries | Circuits | Physics | Khan Academy
10:02
Capacitors and Capacitance: Capacitor physics and circuit operation

452 views / 0 likes - added 5 years ago

Capacitor physics and circuit operation explained with easy to understand 3D animations. My Patreon page is at https://www.patreon.com/EugeneK
01:22 Popular
Human Circuit - Sick Science! #154

973 views / 0 likes - added 3 years ago

GET YOUR ENERGY STICK HERE: http://www.stevespanglerscience.com/energy-stick.htmlFind out why here: http://www.stevespanglerscience.com/lab/experiments/human-circuit#sthash.kceE3X71.dpufThe Energy Stick makes quite the "buzz" when you're using it. To the
10:56 Popular
Circuit Analysis: Crash Course Physics #30

935 views / 0 likes - added 7 years ago

How does Stranger Things fit in with Physics and, more specifically, circuit analysis? I'm glad you asked! In this episode of Crash Course Physics, Shini walks us through the differences between series and parallel circuits and how that makes Christmas li
04:05
How to Extract Gold from a Circuit Board | Earth Lab

440 views / 0 likes - added 5 years ago

You can make gold appear from something that isn't gold... And this is chemistry, not alchemy! ubscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEar
13:39
Learn how computers add numbers and build a 4 bit adder circuit

575 views / 0 likes - added 7 years ago

Let's build a circuit that adds numbers! Binary addition is even easier than decimal addition since you don't have to know how to add numbers larger than 1. Support me on Patreon: https://www.patreon.com/beneater You can get all the components used in thi
04:18
Circuit Playground: L is for LED @adafruit #adafruit

230 views / 0 likes - added 3 years ago

Billie's got the blues and Adabot has lots of questions. Learn about how an LED works with Adabot and the Circuit Playground components! ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com Subscribe to Adafru
03:32
Magnum XL-300: Complete Circuit

256 views / 0 likes - added 3 years ago

Final Update! Also - check out 3d Coaster for more videos in the trains! https://www.youtube.com/channel/UCJB-nvCwAl1i8VA4mBeIVbw
04:55
DIY LED Trampoline // NeoPixels and Circuit Python

566 views / 0 likes - added 6 years ago

These NeoPixels makes you wanna jump! Learn how to upgrade a cheap trampoline with interactive NeoPixel LEDs. Use Adafruits ItsyBitsy and a vibration sensor to make a trampoline light up when you jump on it. Get the full source files, code, and step by st
00:57
Making a Circuit - Sick Science! #036

620 views / 0 likes - added 3 years ago

The SICK Science series was created by Steve Spangler. 2010 Steve Spangler, Inc. All Rights ReservedSteve Spangler is a bestselling author, STEM educator and Emmy award-winning television personality with more than 1,500 television appearances to his cred
17:59
8-bit CPU reset circuit and power supply tips

515 views / 0 likes - added 7 years ago

More 8-bit computer: https://eater.net/8bit Check out Julian's channel: https://www.youtube.com/user/julius256 Support me on Patreon: https://www.patreon.com/beneater https://www.eater.net https://twitter.com/ben_eater https://www.patreon.com/beneater
15:45
Deep neural networks explained with a physical circuit (how AI systems learn)

143 views / 0 likes - added 1 year ago

Learn the basics of how neural networks work using a simple physical model of knobs, transistors and lightbulbs. See neuron activation patterns in action and develop you intuition of the power of training using backpropagation. A perfect introduction for
09:01 Popular
Magic Energy Stick Science Experiments for Kids with Ryan ToysReview

1,461 views / 4 likes - added 6 years ago

Magic Energy Stick Science Experiments for Kids to do at home with Ryan ToysReview! Fun kids experiments to try at home and learn about conductor of electricity! Turn your body into a human circuit! The Energy Stick only works when you complete the circui
10:37
Magnetism 10: Electric Motors

461 views / 0 likes - added 9 years ago

Why the circuit will keep flipping over. More free lessons at: http://www.khanacademy.org/video?v=cePkWyXRvIQ
05:56
Battery Energy and Power

476 views / 0 likes - added 5 years ago

Batteries in parallel and in series. 3D visualization of energy, voltage, and the flow of electric current in a circuit.
02:57
Mario Kart for 8 Cellos

437 views / 0 likes - added 3 years ago

Mario Kart Circuit theme arranged for eight cellos by Samara Ginsberg
10:36
Magnetism 9: Electric Motors

545 views / 1 likes - added 9 years ago

Using a magnetic field to exert torque on a rotating circuit. More free lessons at: http://www.khanacademy.org/video?v=pAgPfr7MkkU
15:33
Designing a 7-segment hex decoder

629 views / 0 likes - added 7 years ago

Building a combinational logic circuit to decode 8 bits and display a 3-digit decimal number on 7-segment displays is complex. In this video, I build something much simpler—a circuit that decodes 4 bits to a one-digit hexadecimal display—and even that's p
12:17
Transistors - Field Effect and Bipolar Transistors: MOSFETS and BJTs

344 views / 0 likes - added 5 years ago

Circuit operation of MOSFETs (N channel and P channel) and Bipolar junction transistors (NPN and PNP) explained with 3D animations. My Patreon page is at https://www.patreon.com/EugeneK
08:36
Inductors and Inductance

493 views / 0 likes - added 5 years ago

How inductors behave in a circuit, and how inductors can generate extremely high voltages by opposing changes to the flow of current. My Patreon Account: https://www.patreon.com/EugeneK
09:20
Can The Faraday Paradox Be Solved?

46 views / 0 likes - added 2 months ago

Get a FREE sample pack with your LMNT order! https://Drinklmnt.com/ActionLabThank you LMNT for sponsoring this video!Here is a good paper about the paradox and additional experiments where they spin the closing circuit as well. https://www.nature.com/arti
03:19
The pen that draws electricity

580 views / 0 likes - added 7 years ago

The AgIC Circuit Marker pen uses conductive ink that allows working electrical circuits to be drawn on pieces of paper. Japanese venture AgIC developed. We test its versatility and look at the ways this can be used for education. See more Nikkei Asian Rev
10:38 Popular
Capacitors and Kirchhoff: Crash Course Physics #31

852 views / 0 likes - added 7 years ago

This is a re-upload because of an error in one of the equations! It's all fixed now :) Big thanks to Prudential for sponsoring this episode of Crash Course! Go to http://Raceforretirement.com and see how if you start saving more today, you can continue to
04:33
My Lovely Problem

582 views / 1 likes - added 6 years ago

This is just a short update video that talks about the problem I am facing right now with my lovely world. It will be deleted in the future. My let's talk - https://youtu.be/mr0Lo6sPsy8 Report bugs here - https://bugs.mojang.com/secure/Dashboard.jspa Give
09:56
Meet The Plastic Eating Worms | Planet Fix | BBC Earth Lab

256 views / 0 likes - added 1 year ago

These worms can eat plastic. Not only that, but they can digest it too! In the fifth and final episode of 'Planet Fix', we speak to the scientists exploring how nature is fighting back against one of the world's biggest polluters. Best of Earth Lab: http:
09:35 Popular
This Slime Could Change The World | Planet Fix | BBC Earth Lab

1,485 views / 1 likes - added 1 year ago

Grown for centuries by indigenous farmers in rural Mexico, this incredibly rare corn can self-fertilise. In episode three of 'Planet Fix', we explore how this wonder crop could help tackle world hunger, and even end farming's toxic reliance on chemical fe
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10:00
Saving Coffee From Extinction | Planet Fix | BBC Earth Lab

115 views / 0 likes - added 1 year ago

In episode two of 'Planet Fix', we explore the impact climate change is having on the $500 billion coffee industry. Could the rediscovery of a long lost, climate-resistant coffee bean from Sierra Leone be our last hope?Best of Earth Lab: http://bit.ly/Ear
00:50
Explore How Conductive Materials Around Your House Are!

642 views / 0 likes - added 3 years ago

In this activity, students will make a broken circuit. They will then use the loose wire ends to test the conductivity of various materials!Learn how to do this at home: https://bit.ly/sw-contesFor the first time in 30 years, Science World has closed its
03:45
What's the Best Way to Rescue a Drowned Phone?

421 views / 0 likes - added 6 years ago

To support SciShow and learn more about Brilliant, go to https://brilliant.org/SciShow. What should you do after your phone goes for a swim? We're conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/
07:56
The Secret Behind Jupiter's Northern Lights | Space Mysteries | BBC Earth Lab

115 views / 0 likes - added 1 year ago

Jupiter's auroras are the most spectacular in our solar system and produce enough energy to briefly supply all of human civilisation! But, what causes them? And why do they pulse like clockwork?Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BB
How Do Satellites Stay in Place? | In Orbit | BBC Earth Lab

112 views / 0 likes - added 1 year ago

For Satellites to work most of them need to stay in one place. So you may think it's simple, the satellite needs to spin at the same pace as Earth. But nothing is ever that easy, because if a satellite was to spin at Earth's rotational speed it would cras
02:02
Microsoft MakeCode | Adventure Time DIY Lamp | Cartoon Network

492 views / 0 likes - added 5 years ago

Want to learn how to make your own color-changing Adventure Time lamp? All you need are some household items, and Adafruit's Circuit Playground Express to create a working lamp using code! More info on Microsoft Make Code and the Circuit Playground Expres
08:48
Artemis Mission: The Next Giant Leap For Mankind | Moon Explorers | BBC Earth Lab

123 views / 0 likes - added 1 year ago

Back to the moon, for good! In 2021, astronaut Jessica Meir was one of 9 in the running to make history as the first woman on the moon. The Artemis mission ultimately aims to make lunar history with the construction of a permanent station, and one handy s
06:18
What Will Humans Look Like In A Million Years? | Earth Lab

648 views / 2 likes - added 5 years ago

Greg Foot explains how our ancestors evolved over the last one million years and suggests some potential changes that may happen to our species in the future. Subscribe: http://bit.ly/SubscribeToEarthLab Welcome to BBC Earth Lab! Here we answer all your c
11:24
Will Robots Replace Me? | The Big Question | Earth Lab

392 views / 0 likes - added 5 years ago

From lawyers to journalists, is any job safe in a robotic future? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHouse Welcome to BB
05:13
Binary counter

519 views / 0 likes - added 7 years ago

The JK flip-flop can be used to count in binary! Support me on Patreon: https://www.patreon.com/beneater You can get all the components used in this video from any online electronic components distributor (Jameco, Digikey, Mouser, etc). Complete parts lis
03:42
Weird Inventions: Making Music with Bananas | Earth Lab

480 views / 0 likes - added 5 years ago

Welcome to the future: Yuri Suzuki shows us how to turn fruit into musical instruments. Narrated by Dom Burgess. Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http
The Soothing Wetlands of Argentina | The Wild Place | BBC Earth

301 views / 0 likes - added 1 year ago

Another day begins in the wetlands of northern Argentina, where marsh deers, capybaras, caimans and different birds thrive. As the sun sets, hundreds of waterbirds gather together to catch their dinner.Subscribe: http://bit.ly/BBCEarthSub #TheWildPlaceWat
09:59
Fish Poo and LED Lights. Is this the future of food?! | Living Off Grid with Maddie Moate

620 views / 0 likes - added 5 years ago

Follow Maddie Moate in her journey exploring how new technologies can help us achieve sustainability... starting from our food, from LED grown strawberries to... fish poo? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly
04:25
Spinning seeds inspire floating electronics - and monitor the atmosphere

116 views / 0 likes - added 2 years ago

Spinning seeds falling from trees have inspired tiny electronic devices that float through the air. These 'circuit chips with wings' fall slowly and stably and can carry a whole host of electronic components such as sensors and antennae for wireless commu
12:52
Best Of Oceans | BBC Earth

349 views / 0 likes - added 3 years ago

From the ocean floor to the sparkling waters of the Pacific, here are some of our favourite ocean moments from the archive.Subscribe: http://bit.ly/BBCEarthSub #BestOfOceans #OceansCompilation #BBCEarthWatch more: Planet Earth http://bit.ly/PlanetEarthPla
10:36
The Future Of Meat | Living Off Grid with Maddie Moate | Earth Lab

629 views / 0 likes - added 5 years ago

Maddie Moate looks at the scientific and ethical dilemmas of curated meat, grown in a lab, as well as looking at vegan alternatives to make your lifestyle more sustainable without giving up tasty treats. Best of Earth Lab: http://bit.ly/EarthLabOriginals
08:09 Popular
What Happens to Nuclear Waste? | Earth Lab

741 views / 0 likes - added 5 years ago

Nuclear energy might be cleaner than other forms of energy like coal, but how can we safely dispose of the radioactive waste it generates without compromising our future? Subscribe: http://bit.ly/SubscribeToEarthLab Best of Earth Lab: http://bit.ly/EarthL
07:31
The Delightful Dance of Hummingbirds | The Wild Place | Relax with Nature | BBC Earth

115 views / 0 likes - added 1 year ago

In the Atlantic Rainforest of Argentina and Brazil, hummingbirds gather around flowers in a spectacular dance.Subscribe: http://bit.ly/BBCEarthSub #bbcearth #thewildplace #HummingbirdsWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet
13:41
Nature's Oddest Looking Animals | Top 5 | BBC Earth

309 views / 0 likes - added 3 years ago

One of the many wonders of nature is its biodiversity and the variety of creatures found on Earth. But some are more distinctive than others! These are just some of the more 'quirky' animals on our planet. Subscribe: http://bit.ly/BBCEarthSub #BBCEarth #N
18:01
The Blue Planet Collection | Part 1 | BBC Earth

347 views / 0 likes - added 3 years ago

Be reacquainted with the beautiful inhabitants of the deep blue sea in this look back through the Blue Planet archive.Subscribe: http://bit.ly/BBCEarthSub #BluePlanet #BBCEarth #DavidAttenboroughWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist B
02:32
Yes, Your Headache Is Worse Than All Other Aches and Pains, Here’s Why

570 views / 0 likes - added 6 years ago

Why do headaches seem to hurt worse than any other type of pain? Scientists have an answer and it has to do with your emotions. Why Men Never Get Over A Breakup - https://youtu.be/lCSjuylaYUk Read More: A craniofacial-specific monosynaptic circuit enables
Finding the Notoriously Shy Dormouse | 24 Hours With | BBC Earth

98 views / 0 likes - added 9 months ago

Have you ever heard of a dormouse officer? Well, it's a job that involves the safeguarding this iconic endangered species. Join zoologist and wildlife presenter Yussef Rafik as he learns all about the local conservation efforts striving to protect its fut
07:21
Take Flight with South American Birds | The Wild Place | Relax With Nature | BBC Earth

124 views / 0 likes - added 1 year ago

From high up in the sky to the deep forest floor, from the pampas grasslands to the Patagonian shores, birds gather together and create magical flocks.Subscribe: http://bit.ly/BBCEarthSub #BBCEarth #TheWildPlace #birds Watch more: Planet Earth http://bit.
20:27
The Best Of Polar Bears | BBC Earth

253 views / 2 likes - added 1 year ago

From flirting polar bears to cute cubs emerging from hibernation, here is a collection of some of our favourite polar bear moments.Subscribe: http://bit.ly/BBCEarthSub #PolarBearDay #PolarBear #BBCEarth Watch more: Planet Earth http://bit.ly/PlanetEarthPl
05:47
What are Tardigrades? | Earth Unplugged

431 views / 1 likes - added 6 years ago

Tardigrades might have the cute nickname of "water bears", but they're amongst the toughest animals on earth and the only one that can survive in space. Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedS
03:22
Trying to Catch a Tarantula | Earth Unplugged

383 views / 1 likes - added 5 years ago

Steve Backshall meets one of the deadliest spiders in the world.Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/EarthUnpluggedExpeditionsAndLocationFilmsBig
08:41
How Recycling Actually Works | Plastic Planet with Zanna Van Dijk | Earth Unplugged

372 views / 2 likes - added 5 years ago

Zanna Van Dijk talks us through how to recycle correctly with the professionals that take care of our waste.Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/E
02:06
Underwater View of Fish Cleaning Station | Earth Unplugged

395 views / 0 likes - added 5 years ago

Steve Backshall dives underwater to look at some the most unusual sea creatures.Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/EarthUnpluggedExpeditionsAndL
05:01
Are We Alone In The Universe? (ft Ben Hunte) | The Big Question | Earth Lab

412 views / 0 likes - added 5 years ago

We can see black holes but we still haven't found extraterrestrial life in space. Does this mean there is no such things as aliens? BBC LGBT correspondent Ben Hunte looks at whether aliens exist, and where they could be hiding. Subscribe to Earth Lab: Bes
03:54
Milking a Spider | Richard Hammond's Invisible Worlds | Earth Lab

543 views / 0 likes - added 5 years ago

We unveil the secrets of the production of spiders' silk and the flexibility of their webs! Subscribe: http://bit.ly/SubscribeToEarthLab Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctor
04:06 Popular
Meeting a Wolf Pack | Deadly 60 | Earth Unplugged

735 views / 6 likes - added 5 years ago

Steve Backshall comes face to face with a pack of wolves. Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/EarthUnpluggedExpeditionsAndLocationFilmsBig Questi
02:38
Thailand's Famous Snake Village | Earth Unplugged

556 views / 0 likes - added 5 years ago

Steve Backshall returns to the Thai village where humans and snakes cohabit.Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/EarthUnpluggedExpeditionsAndLocat
01:52
Adorable Baby Caiman Crocodile | Deadly 60 | Earth Unplugged

558 views / 0 likes - added 5 years ago

Steve Backshall meets a baby crocodile with a surprising voice.Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/EarthUnpluggedExpeditionsAndLocationFilmsBig Q
16:57
Best Monkey Moments | BBC Earth

576 views / 0 likes - added 3 years ago

There are more than 260 species of monkey worldwide, here are some of the best moments from our primate friends.Subscribe: http://bit.ly/BBCEarthSub #Monkeys #AnimalVideo #PrimatesWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http
13:28
Top 5 Craftiest Animals! | BBC Earth

667 views / 0 likes - added 4 years ago

From crafty crabs to amazing orangutans, here are some of our favourite crafty and clever animals! Subscribe: http://bit.ly/BBCEarthSub Watch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BluePlanetPlaylist Planet Earth II
13:33
Cutest Baby Animals | BBC Earth

562 views / 1 likes - added 4 years ago

The natural world is full of adorable babies! Here are some of our favourites at BBC Earth.Subscribe: http://bit.ly/BBCEarthSub Watch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BluePlanetPlaylist Planet Earth II http://
14:10 Popular
Best of Animal Teamwork | Part 1 | BBC Earth

914 views / 0 likes - added 3 years ago

Teamwork makes the dream work! And that goes in the animal kingdom too. Animals of the same species and even different species work together in symbiotic relationships.Subscribe: http://bit.ly/BBCEarthSub #BBCEarth #DavidAttenborough #TeamworkWatch more:
04:05
How Does Plankton Move? | Richard Hammond's Invisible Worlds | Earth Lab

493 views / 1 likes - added 5 years ago

Plankton is extremely important for life on earth as it provides 50% of our oxygen, but how do they move in the aquatic ecosystem? Subscribe: http://bit.ly/SubscribeToEarthLab Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bi
07:26
Stunning Underwater Kelp Forests | The Wild Place | BBC Earth

149 views / 0 likes - added 1 year ago

In the Southernmost tip of South American, in Tierra del Fuego, kelp forests provide a unique ecosystem for many animals including king crabs, jellyfish and sealions.Subscribe: http://bit.ly/BBCEarthSub #BBCEarth #TheWildPlace #KelpForestsWatch more: Plan
35:27
SCIENCE CLASS #1- WHY Does Helium Make Your Voice Higher?

330 views / 0 likes - added 4 years ago

Live stream with demos your brain will enjoy where we answer a basic question every time.Does farting make you weigh more or less?!?! Place your guess and give me feedback too- https://forms.gle/gqNw9Ht83Vzo2va4A
06:08
Animals That Were Saved From Extinction | Earth Unplugged

561 views / 2 likes - added 6 years ago

While it's too late for animals like the dodo and the tasmanian tiger, conservationists have managed to bring back other endangered species such as pandas from the brink of extinction. Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motio
03:22
The Insects Who Vibrate To Communicate | Planet Earth III | BBC Earth

122 views / 0 likes - added 6 months ago

In the Amazon, there are many weird and wonderful creatures not least of all these treehoppers, who communicate with each other by vibrating. This comes in useful when their young are under attack, and this mother enlists the help of her forest friends fo
02:38
Bear's EXTREME Salmon Fishing | BBC Earth

433 views / 1 likes - added 5 years ago

Bears know how dangerous fishing can be, and every step can be a matter of life or death. Subscribe: http://bit.ly/BBCEarthSub Watch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BluePlanetPlaylist Planet Earth II http://b
14:14
Best Of Animal Teamwork | Part 2 | BBC Earth

338 views / 0 likes - added 3 years ago

Have you ever seen a Platypus feed a Kingfisher? Take a look at these extraordinary examples of animal teamwork!Subscribe: http://bit.ly/BBCEarthSub #Top5 #Animals #WildlifeWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.
04:08 Popular
The Corona Effect: SEE it! | Richard Hammond's Invisible Worlds | Earth Lab

726 views / 1 likes - added 5 years ago

Death-defying aerial repairmen in the United States use ultraviolet cameras to seek out an invisible force that lurks unseen on power lines. Subscribe: http://bit.ly/SubscribeToEarthLab Best of Earth Lab: http://bit.ly/EarthLabOriginals The Doctors Are In
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The FUTURE of TRAVEL: Hyperloop Trains and Hypersonic Jets | Earth Lab

360 views / 0 likes - added 5 years ago

Dom Burgess investigates whether humans are likely to be able to travel the globe in minutes. What do you think? Let us know in the comments. Subscribe to Earth Lab for more fascinating science videos - http://bit.ly/SubscribeToEarthLab All the best Earth
07:19
Saving Lahille's Bottlenose Dolphins | Reports From The Frontline | BBC Earth

185 views / 0 likes - added 1 year ago

Only 600 Lahille's bottlenose dolphins are left in the wild. But Brazilian biologist, Pedro Fruet, is working to change that. By collaborating with local communities and fishermen, his work is helping to prevent the dolphins' extinction.Subscribe: http://
05:28 Popular
DIY Quick and Easy Recipes: Fun Food for Kids

1,308 views / 3 likes - added 4 years ago

DIY Quick and Easy Recipes: Fun Food for Kids | Cooking for ChildrenClick Here to Subscribe to HooplaKidzRecipes:http://www.youtube.com/subscription_c...Please leave your comments or feel free to discuss in the comments section. Your feedback will be appr
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07:22
When will we Drive Autonomous Cars? | Earth Lab

421 views / 0 likes - added 5 years ago

When will self driving cars be safe enough to be used on the road? Greg Foot looks into the future of transport. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit
04:00
The Wonders of Tortoise Tunnel | BBC

351 views / 1 likes - added 4 years ago

In Florida, Sir David Attenborough uses a remotely controlled camera to follow a Gopher Tortoise into a burrow. Subscribe: http://bit.ly/BBCStudios WATCH MORE: Hiroshima: http://bit.ly/BBCHiroshima Horizon: http://bit.ly/BBCHorizon Best of Alan Partridge:
19:26
How did the Enigma Machine work?

223 views / 0 likes - added 2 years ago

Let's use 3D animation to go inside the Enigma Machine!Go to https://brilliant.org/jaredowen to sign up for free. And also, the first 200 people will get 20% off their annual premium membership.Thanks to the Dan Perera for his help creating this animation
04:09
Pistol Shrimp's Cavitation Bubble | Richard Hammond's Invisible Worlds | Earth Lab

651 views / 0 likes - added 5 years ago

Slow motion images allow us to see the real strenght of the bubble a tiny pistol shrimp can produce! Cavitation explained by Richard Hammond. Subscribe: http://bit.ly/SubscribeToEarthLab Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth
04:56
Ecuador's Melting Mountain | Earth From Space Web Exclusive | Earth Unplugged

467 views / 1 likes - added 5 years ago

As our climate changes, the millennia old glacier atop mount Chimborazo melts and threatens the water supply of thousands.Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: h
06:22 Popular
How Does A Submarine Work? | Blue Planet II | Earth Lab

928 views / 0 likes - added 5 years ago

Greg talks to submarine pilot team leader Buck about how submarines work and what it was like helping the Blue Planet II team film in the deep ocean. Subscribe to Earth Lab: http://bit.ly/SubscribeToEarthLab Earth Lab Originals http://bit.ly/EarthLabOrigi
04:06
Extraordinary Octopus Takes To Land | 4K UHD | The Hunt | BBC Earth

88 views / 0 likes - added 6 months ago

Octopuses are marine animals, that live and breath underwater, so at low tide one would expect them to be imprisoned in rocky pools. This extraordinary species found in Northern Australia is like no other Octopus, and land is no obstacle when hunting for
02:12
How to Collect Whale DNA | Blue Planet Live | Earth Unplugged

459 views / 3 likes - added 5 years ago

Collecting the skin left behind by whales when diving provides a non-instrusive way of studying them.Watch Blue Planet Live: https://www.bbc.co.uk/programmes/p0722ql7Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/Eart
03:42
Kangaroos Take Over Australian Golf Course | How Nature Works | BBC Earth

168 views / 0 likes - added 6 months ago

Nitrogen is a key part of healthy grass; without it, animals can't get the nutrition they need. Luckily for these Kangroos, they've found a place that will always have nitrogen-filled grass, thanks to some golf grass keepers.Subscribe: http://bit.ly/BBCEa
13:12
The Best Dogs Of BBC Earth | Top 5 | BBC Earth

642 views / 1 likes - added 4 years ago

We've collected the most precious moments from our beloved canine companions: from cute puppies opening their eyes for the first time, to loyal wild dogs and incredibly intelligent pets.Subscribe: http://bit.ly/BBCEarthSub Watch more: Planet Earth http://
03:42
Deep Diving In Underwater Meteorite Caves | Earth: The Power Of The Planet | BBC Earth Lab

188 views / 0 likes - added 1 year ago

Descending deep underground in the jungles of Mexico, Bernadette and her team explore the vast network of cenotes that provide evidence of a colossal meteorite impact, one that was vital to the survival of the human race...Best of Earth Lab: http://bit.ly
06:56
How Saturn Got Its Rings | The Planets | Earth Lab

207 views / 0 likes - added 2 years ago

There's evidence to suggest Saturn didn't have its rings when the dinosaurs inhabited Earth, so how did they form? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Planets (2019) This stunning
03:51 Popular
What is Surface Tension? | Richard Hammond's Invisible Worlds | Earth Lab

1,291 views / 0 likes - added 5 years ago

How do water striders walk on water? It has to do with the elastic property of the water surface, a phenomenon called surface tension. Subscribe: http://bit.ly/SubscribeToEarthLab Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http:
22:49
I bought 1000 meters of wire to settle a physics debate

174 views / 0 likes - added 2 years ago

I constructed the Veritasium electricity thought experiment in real life to test the result. If you were watching my community posts a month ago, the day that Derek over on Veritasium posted his video about electricity misconceptions, you saw me obsess ov
03:37
How Leeches are used in Modern Surgery | Earth Lab

564 views / 2 likes - added 5 years ago

Michael Mosley finds out just how much blood leeches can consume and their importance to modern medicine. Subscribe to Earth Lab: http://bit.ly/SubscribeToEarthLab Best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.l
10:47
Rainbow Cake And Mirror Glaze Cake Recipe By Hooplakidz Recipes

612 views / 2 likes - added 5 years ago

Check out the most delicious recipe : Subscribe to our channel for more updates: https://goo.gl/goaCNi Please leave your comments or feel free to discuss in the comments section. Your feedback will be appreciated. Thanks for watching!!
06:50
Why Are Zebras Black and White? | Wild Lands: South Africa | BBC Earth

562 views / 0 likes - added 4 years ago

Hannah Stitfall continues exploring the grasslands of South Africa and introduces us to some of its most resilient species it hosts. From Black Backed Jackals and Zebras to Chacma Baboons, the diversity of wildlife never ceases to impress!Subscribe: http:
03:20
Weirdest Animals of The Deep Sea | Blue Planet Live | Earth Unplugged

437 views / 0 likes - added 5 years ago

Tim Shank looks at the deep sea animals like tube worms and amphipods might hold the secret to improving our health.Watch Blue Planet Live: https://www.bbc.co.uk/programmes/p0722ql7Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: htt
09:41
How do we get the Caffeine OUT of Coffee? | Earth Lab

484 views / 0 likes - added 6 years ago

What are the techniques to get the caffeine out of coffee and get a decaf? Greg Foot illustrates the four options. Subscribe for more fascinating science videos: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOrigina
14:34
Top 5 Silliest Animal Moments! | BBC Earth

428 views / 0 likes - added 4 years ago

The mighty polar bear, the tenacious penguin and majestic lion. Some of the most impressive creatures in the natural world - and at times, the most ridiculous. Join us as we recount the endearing capers of these incredible animals!Subscribe: http://bit.ly
04:11
Spider With Three Super Powers | 4KUD | The Hunt | BBC Earth

108 views / 1 likes - added 6 months ago

Known for eating other spiders, Portia is a genus of the jumping spider that is able to leap up to 50 times her own body length. Captured by stunning close up footage, we get to witness this amazing spider use its super powers to dine on prey three times
07:38
How Were Fooled By Statistics

242 views / 0 likes - added 3 years ago

Is punishment or reward more effective as feedback? Do new medical treatments really work? What about streaks in sport? Without considering regression to the mean, we are prone to making significant errors.Check out Audible.com: http://bit.ly/ZJ5Q6zFilmed
03:27
Vincent Van Gogh Visits his own Gallery | Vincent And The Doctor | Doctor Who

530 views / 2 likes - added 5 years ago

The Doctor and Amy take Vincent Van Gogh - who struggled to sell a single painting in his own lifetime - to a Paris art Gallery in the year 2010. Subscribe: http://bit.ly/SubscribeToDoctorWho Clip from Doctor Who Series 5 Episode 10, Vincent and the Docto
03:35
How do We Burn Calories? | Earth Lab

493 views / 0 likes - added 5 years ago

How does our stomach break down and burn calories? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House http:
11:27 Popular
Can Genes Make You Good at Sports? ft Rebel FC | Earth Lab

716 views / 1 likes - added 5 years ago

Dom Burgess looks at the genetics behind great football players and tries to answer whether nature or nurture is more helpful to succeed in sports. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals
20:21
When will we Live on another Planet? Ft. Simon Clark | The Big Question | Earth Lab

419 views / 0 likes - added 5 years ago

When will we Live on Another Planet? Presenter Simon Clark (@simonoxfphys) is at the National Space Centre in Leicester with Dr Tamela Maciel (@TamelaMaciel) to investigate.Best of Earth Lab: http://bit.ly/EarthLabOriginals The Planets: http://bit.ly/BBCT
04:00
How Colours Are Connected With Our Emotions | Earth Lab

382 views / 0 likes - added 5 years ago

Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHouse Horizon: Do You See What I See When we describe something as red or blue or yel
04:39 Popular
Why do bulls charge? | Earth Unplugged

817 views / 1 likes - added 6 years ago

Fighting bulls are said to react to the red color but actually it's the movement that prompts their charge. Subscribe to Earth Unplugged for more amazing animal videos: http://bit.ly/SubscribeToEarthUnplugged Watch more videos from Earth Unplugged: Stun
04:11
How to Recreate the Flavour of Meat | Earth Lab

433 views / 0 likes - added 5 years ago

There's a science behind food aromas, that can even help you to chemically recreate the flavour of gourmet steak - with no meat! Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth v
07:12
Giraffe's Blue Tongues | Wild Lands: South Africa | BBC Earth

589 views / 1 likes - added 4 years ago

In this episode of Wild Lands: South Africa, Hannah Stitfall introduces us to some of nature's weirdest animal features, including the secretarybird's deadly stomp and the giraffe's peculiar blue tongue.Subscribe: http://bit.ly/BBCEarthSub Watch more: Pla
02:01
World's Simplest Electric Train

490 views / 0 likes - added 7 years ago

The trick in the video is that the magnets are made of a conducting material and they connect the battery terminals to the copper wire, so the battery, magnets and copper wire make a circuit that generates a magnet field just in the vicinity of the batter
09:19
When will Robots Kill Us All? | Earth Lab

509 views / 0 likes - added 5 years ago

From HAL and Skynet to the Roko's Basilisk thought experiment, artificial intelligence has been depicted as terrifying in popular culture. Greg Foot looks at whether new technology is moving fast enough for us to be scared. Subscribe: http://bit.ly/Subscr
02:48 Popular
Giant Candiru's Feeding Frenzy.... Faster than Piranhas | Deadly 60 | Earth Unplugged

800 views / 0 likes - added 5 years ago

Steve Backshall finds a fish scarier than a piranha... The catfish like deadly Candiru. Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slo-Mo: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/EarthUnpluggedExpeditionsA
09:25
South Africa's Strongest Animals | Wild Lands: South Africa | BBC Earth

648 views / 1 likes - added 4 years ago

In the final episode of Wild Lands: South Africa, Hannah Stitfall comes face to face with the mightiest savannah dwellers. She gets up close with Elephants and Dung Beetles, and meets the only living rhino to have ever survived a poaching attack.Subscribe
03:44
How to Identify and Treat Heat Stroke | Earth Lab

516 views / 0 likes - added 5 years ago

What are the symptoms of heat stroke and heat exhaustion and how do you prevent them? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab http://bit.ly/EarthLabOriginals Best of BBC Earth http://bit.ly/TheBestOfBBCEarthVideos The Doctors A
09:01
Fun Food for Kids | Cake Decoration Ideas | DIY Quick and Easy Recipes | Cooking for Children

684 views / 1 likes - added 4 years ago

Fun Food for Kids | Cake Decoration Ideas | DIY Quick and Easy Recipes | Cooking for ChildrenClick Here to Subscribe to HooplaKidzRecipes:http://www.youtube.com/subscription_center?add_user=hooplakidzrecipesPlease leave your comments or feel free to discu
03:23
How Viruses can Cure Cancer | Earth Lab

612 views / 0 likes - added 5 years ago

Scientists have used genetically modified oncolytic viruses to cure some forms of cancer. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVi
20:09
Top 5 Animal Superpowers! | BBC Earth

349 views / 1 likes - added 4 years ago

How can a dragonfly see in slow-motion, or a giant rat's super sense of smell detect tuberculosis? We've pulled some of the most incredible animal abilities from the BBC Archive for our latest compilation.Subscribe: http://bit.ly/BBCEarthSub #Top5AnimalSu
03:09
Horn Shark Escapes Being Eaten Alive | Planet Earth III | BBC Earth

120 views / 0 likes - added 6 months ago

Off the west coast of California, deep in the kelp forest, an angel shark lies hidden in the sand waiting to ambush its prey. This predator can strike in a tenth of a second, but it can't always keep its dinner down...Our home. Our future. This is #Planet
34:41
DIY HALLOWEEN Desserts | Halloween 2019 Cakes Cupcakes and More by HooplaKidz Recipes

489 views / 3 likes - added 4 years ago

DIY HALLOWEEN Desserts | Halloween 2019 Cakes Cupcakes and More by HooplaKidz RecipesClick Here to Subscribe to HooplaKidzRecipes:http://www.youtube.com/subscription_center?add_user=hooplakidzrecipesPlease leave your comments or feel free to discuss in th
00:29
This 7-minute workout is all you need to get in shape

678 views / 1 likes - added 7 years ago

This 7-minute workout is ideal if you have little time to exercise or don't have access to a gym. According a study published in the American College of Science and Medicine's Health & Fitness Journal, the combination of aerobic and resistance training pe
06:12
Feeding Baby Orphaned Elephants | Nature's Miracle Babies | BBC Earth

377 views / 2 likes - added 3 years ago

How do you source the right milk for orphaned, baby elephants? Find out how these experts are saving Elephants from destruction.Subscribe: http://bit.ly/BBCEarthSub Feeding Baby Orphaned Elephants! | Nature's Miracle Babies | BBC EarthWatch more: Planet E
04:11
Cubs Meet Adult Tiger for the First Time | Tigers About The House | BBC Earth

637 views / 2 likes - added 4 years ago

As the cubs grow up Giles Clark thinks it's time for Spot and Stripe to start socialising with the adult tigers. Taken from Tigers About The House. Subscribe: http://bit.ly/BBCEarthSub Watch David Attenborough Dynasties series trailer here: https://www.yo
01:38
What happens when Space Junk collides? | Horizon: Space Junk | Earth Lab

421 views / 0 likes - added 5 years ago

The Kessler Syndrome - the equation to measure what happens when space junk collides and litters our upper atmosphere with space debris. Subscribe: http://bit.ly/SubscribeToEarthLab Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: htt
01:20 Popular
The Big Bang Reimagined (Narrated By Brian Cox) | BBC Earth

842 views / 0 likes - added 5 years ago

The wonder of the Big Bang, reimagined. Narrated by physicist Brian CoxThis Space Day, were launching our summer of space. Starting with a deeper look at our solar system - The Planets -coming soon.#SpaceDay #BigBang #BrianCoxSubscribe: http://bit.ly/BBCE
04:10
Make Your Own Diamonds! | Earth Lab

550 views / 0 likes - added 5 years ago

How do you turn carbon into diamond? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House http://bit.ly/TheDo
03:11
How Colour Can Change Your Perception Of Time | Earth Lab

386 views / 0 likes - added 5 years ago

Which colour will trick your brain into thinking time has been sped up? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHouse Horizon
03:08
How To Stop Snoring | Earth Lab

478 views / 0 likes - added 5 years ago

Why do we snore? And what are the best tips and tricks to stop? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In Th
06:16 Popular
HOW TO BUILD A SMART ARDUINO CAT FEEDER

780 views / 1 likes - added 6 years ago

Building a DIY arduino/raspberry pi/beaglebone black smart cat feeder for less than $15, we will need: - 2 cans - MG996 servo motor - zip ties - thick wire - double bowl - piece of styrofoam - electric tape - arduino or similar microcontroller/microcomput
02:17
What is Dangerous in our AIR? | Earth Lab

604 views / 1 likes - added 6 years ago

The harmful air particles are here analysed and explained. Subscribe to Earth Lab for more fascinating science videos: http://bit.ly/SubscribeToEarthLab Best Earth Lab videos: http://bit.ly/EarthLabOriginals The Doctors Are In The House: http://bit.ly/The
04:53
Elephants' Incredible Intelligence | Wild Files with Maddie Moate | BBC Earth

531 views / 1 likes - added 4 years ago

The largest land mammal, elephants have super-sized brains and display incredible emotional intelligence. In this episode of Wild Files, we get an intimate glimpse at elephants' social ties and unique character. ubscribe: http://bit.ly/BBCEarthSub Watch m
03:01
What Causes Cramp and How To Cure It | Earth Lab

447 views / 0 likes - added 5 years ago

Can this painful involuntary muscle contraction be prevented?Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The H
03:12
Is It Better for You to Run Outdoors or on a Treadmill? | Earth Lab

485 views / 0 likes - added 5 years ago

What's healthier between running inside or outside? And what gets you fitter and uses up more calories? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBe
03:45
How to Make Your Own Sunlight | Earth Lab

422 views / 0 likes - added 5 years ago

Is it possible to recreate the benefits of sunlight in your own bedroom? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The Doctors
02:32
How Our Brains Process Colour | Earth Lab

472 views / 0 likes - added 5 years ago

Will colour constancy be the key to understanding how our brains process colour ? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHou
11:56
Best Of Wild Animals Caught on Spy Cam | BBC Earth

576 views / 0 likes - added 4 years ago

From monkeys mourning a "dead baby", to lion cubs playing and boisterous bears, our Spy Cameras have been able to capture some truly magical moments on their undercover adventures. Join us as we share some of our favourite interactions from the natural wo
02:56
Sloth SECOND CHANCE: Released back into the Wild | Earth Unplugged

560 views / 2 likes - added 6 years ago

Big Cat About The House airs on BBC Two (UK) from 22nd March to 5th April. Gaston the Sloth lost his leg, but after his rehabilitation he is ready to be released into the wild again! Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion:
02:23
How to Resist Food Temptations | Earth Lab

417 views / 0 likes - added 5 years ago

How can you change your habits in order to avoid eating unnecessarily? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The Doctors Ar
04:42 Popular
The Power of Circuits #sciencegoals

902 views / 1 likes - added 7 years ago

Have you ever wondered how you can turn the light on in your house? Or maybe why you can push a doorbell and it makes a sound? This happens because of circuits! Join Jessi and Squeaks as they learn how circuits work, and make their very own! ---------- Li
03:47
How NOT to Clean Your Ears | Earth Lab

643 views / 0 likes - added 6 years ago

We've been brought up thinking cotton buds are the best way to clean our ears from wax, but is that really true? Subscribe to Earth Lab for more fascinating science videos - http://bit.ly/SubscribeToEarthLab Best Earth Lab videos: http://bit.ly/EarthLabOr
02:03
Gravitational Lensing Theory Explained | Earth Lab

399 views / 0 likes - added 5 years ago

How does matter affect light? Physics has the answer. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House ht
04:42
The Fish with Incredible Shooting Aim | Planet Earth III Behind the Scenes | BBC Earth

81 views / 0 likes - added 6 months ago

Join the #PlanetEarth3 crew as they search the mangrove forests of Indonesia to find and film the unusual hunting tactics of the archerfish. This skilled predator uses an effective water pistol to shoot its prey, but it turns out bugs aren't their only ta
02:59
Do We All See The Same Colours? | Earth Lab

403 views / 0 likes - added 5 years ago

Is It possible that your age, gender or life experiences affect our perception of colour ? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAr
03:17
Jupiter's Moon IO is a World of Fire and Lava | The Planets | BBC Earth

484 views / 0 likes - added 5 years ago

Io is the closest of Jupiters larger moons and the most volcanic world in our solar system, with over 300 active volcanoes, thanks to its proximity to the huge gravitational pull of Jupiter.Subscribe: http://bit.ly/BBCEarthSub Watch more: Planet Earth htt
02:25
Select your Anti Aging Skin Care with DNA | Earth Lab

547 views / 1 likes - added 6 years ago

We all age differently depending on our genes. If we work out what our genes are, can we tailor our skin care accordingly? Subscribe for more fascinating science videos: http://bit.ly/SubscribeToEarthLab Best Earth Lab videos: http://bit.ly/EarthLabOrigin
03:23 Popular
Are Artificial Sweeteners Bad for You? | Earth Lab

877 views / 0 likes - added 6 years ago

Are artificial sweeteners a good alternative to sugar or do they cause harm? Subscribe to Earth Lab: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVi
03:38
Has Human Technology Kept Us from Evolving? | Earth Lab

434 views / 0 likes - added 5 years ago

Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHouse Horizon: Are We Still Evolving? Dr Alice Roberts asks one of the great question
03:35 Popular
What Is A Meerkat's Favourite Food? | BBC Earth

728 views / 3 likes - added 6 years ago

Meerkats are surprisingly picky with their food, and only like their eggs well done. Narrated by David Attenborough. Subscribe: http://bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://b
03:03
Billion Dollar Space Tracking System | Horizon: Space Junk | Earth Lab

600 views / 0 likes - added 5 years ago

Discover NASA's Space Fence, a billion-dollar system designed to prevent collisions and monitor space junk. Subscribe: http://bit.ly/SubscribeToEarthLab Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthV
04:16 Popular
Amazing Crabs Shell Exchange | Life Story | BBC Earth

909 views / 1 likes - added 5 years ago

As a hermit crab grows its shell becomes a tighter fit so eventually the crabs need to move into a bigger one, leading to an amazing exchange. Taken from Life Story. Subscribe to BBC Earth: http://bit.ly/ydxvrP Watch David Attenborough Dynasties series tr
02:56
Can Wearing Red Make You A Winner? | Earth Lab

511 views / 0 likes - added 5 years ago

How can colour effect whether we win or lose in competition ? A study into Taekwondo matches may lead to some answers. Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House
02:24
Is Microwaving Your Food Dangerous? | Earth Lab

568 views / 0 likes - added 5 years ago

Does microwaving food damage the nutrients in our meals? And it more harmful than traditional methods of cooking? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bi
03:46
Why Do We Get Thirsty?

563 views / 0 likes - added 7 years ago

Thirst can be satisfied instantly, but hunger cannot. Why? What exactly happens to our brain when responding to hunger and thirst? What Happens To Your Body When You're Dehydrated - http://bit.ly/2aZL4vt Sign Up For The Seeker Newsletter Here - http://bit
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04:10
Are Brazil Nuts Radioactive? | Earth Lab

595 views / 0 likes - added 5 years ago

Nuclear waste is only slightly more radioactive than some of our everyday food. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The D
04:31 Popular
FAKE OUT! Amazing Animal Camouflage | Earth Unplugged

807 views / 0 likes - added 6 years ago

Maddie Moate talks us through the impressive lengths some animals go to to blend in. Subscribe to Earth Unplugged for more amazing animal videos - http://bit.ly/SubscribeToEarthUnplugged Watch more videos from Earth Unplugged: Animals In Slow Motion And S
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02:09
The Best Method for Removing Warts | Earth Lab

412 views / 0 likes - added 5 years ago

What's the best method to get rid of warts: dry freezing, just leaving them alone or... duct tape? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfB
03:33
Pony Drift: The British "Wild West" | BBC Earth

682 views / 0 likes - added 5 years ago

Horse racing in the forest is an excellent occasion to see some breath taking "pony drifts". Subscribe to BBC Earth for more amazing animal videos - http://bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet Earth http://bit.ly/PlanetEarthPlaylist
A whale saved my life | Close Encounters | BBC Earth

224 views / 0 likes - added 2 years ago

Whale scientist Nan Hauser describes how she believes a humpback whale saved her from a shark, and what happened when the same whale came back.Subscribe: http://bit.ly/BBCEarthSub #BBCEarth #CloseEncountersWatch more: Planet Earth http://bit.ly/PlanetEart
09:37
Wild Hamsters Thriving in Viennese Graveyards I Coexistence I BBC Earth

93 views / 0 likes - added 1 year ago

Wild hamsters are taking over Vienna's cemeteries These tiny mammals are critically endangered, but are learning to thrive in these vast cemeteries, on a diet of calorific candle wax and fresh flowers. Animals are learning to survive and thrive in one ver
06:51
How The Moon Affects Our Lives On Earth | Space on Earth | BBC Earth

563 views / 1 likes - added 4 years ago

Our Moon is far more than just a lump of rock floating through space. @hashemalghaili visits the Royal Observatory in London to find out about our lunar neighbour.Subscribe: http://bit.ly/BBCEarthSub #TheMoon #Space #UniverseWatch more: Planet Earth http:
04:08
Are Shampoos and Moisturisers Bad for Your Skin? | Earth Lab

415 views / 0 likes - added 5 years ago

Most shampoos, body washes and moisturisers contain sodium lauryl sulfate. What are the effects on your skin and hydration. Could it actually be damaging? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOri
04:00
Is Rice Actually Dangerous for You? | Earth Lab

497 views / 0 likes - added 5 years ago

Rice is a staple of our diets, but is there any truth to the claims that rice can be poisonous to us? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBest
05:27
I Built a Working LEGO Marble Run!

65 views / 0 likes - added 3 months ago

I built and tested a working LEGO Marble Run using LEGO Technic!The marble run uses the same balls as the 'Great Ball Contraption' and the lift system utilises LEGO Technic tracks. A tilted ring is utilised for further sorting.1 large and 1 extra large LE
02:44
"Miracle Berry" Taste Powder | Horizon: The Truth about Taste | Earth Lab

465 views / 0 likes - added 4 years ago

Making even the blandest food taste sweet, could this new powder be a chemical food revolution?Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDocto
03:56
Bed Bug's Bite - Up Close! | Earth Lab

506 views / 0 likes - added 5 years ago

Liz Bonnin witnesses a scientist being bitten by a bed bug to show what a bite actually looks like. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOf
03:15
What Happens When You Don't Brush Your Teeth? | Earth Lab

512 views / 0 likes - added 5 years ago

Bang Goes The Theory looks into the consequences of not brushing your teeth for five days - is it just aesthetic or are there more serious consequences? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOrigi
09:21
Wild Monkeys Roaming The Streets Hong Kong | BBC Earth

532 views / 0 likes - added 5 years ago

Hannah Stitfall looks at the wildlife in Hong Kong, from monkeys to pink dolphins, and how their lives has been affected by humans.Subscribe to BBC Earth for more amazing animal videos - http://bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet E
04:10
How to Make a Rocket | Earth Lab

423 views / 0 likes - added 5 years ago

What's the best scientific formula for a powerful rocket with oxidizer and fuel? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos The
06:47 Popular
Fish Sounds: Do fish talk to each other? | Earth Unplugged

943 views / 6 likes - added 6 years ago

Did you know fish chirp, crackle and whoop?! Hear why fish make these surprising sounds as Professor Steve Simpson reveals how technology is uncovering a hidden world of communication on our coral reefs. Subscribe: http://bit.ly/SubscribeToEarthUnplugged
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10:28
Animals In Slow Motion | Earth Unplugged

521 views / 0 likes - added 5 years ago

Watch some of the most stunning slow motion footage of animals (including dogs, cats, eagles, porcupines, insects) - and notice the details usually invisible to the human eye! Subscribe to Earth Unplugged for more amazing animal videos - http://bit.ly/Sub
04:00
Can a Virus Cure Blindness? | Earth Lab

652 views / 0 likes - added 6 years ago

Gene therapy has discovered the new frontier to prevent blindness... with the surprising help of a virus. Subscribe to Earth Lab: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http
03:54
Are we running out of Helium? | Earth Lab

515 views / 0 likes - added 5 years ago

Helium might be one of the most widespread elements, but the high demand for it is quickly using Earth's reserves. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://b
06:42
Can you make a wildlife series from a wheelchair? | BBC Earth

284 views / 0 likes - added 3 years ago

BBC Natural History Unit (NHU) researcher, Niall Strawson, broke his back in 2009. Since then he's been on a mission to return to the wild and make documentaries. Niall is the first ever NHU crew member who uses a wheelchair 24/7 to go out on a complex in
01:27
Ocean Plastic Turned into Kayaks | Blue Planet Live | BBC Earth

570 views / 0 likes - added 5 years ago

Watch the new promo for Blue Planet Live! BBC One will air the program at 8 pm on Wednesday 27th March for the UK audience and BBC Earth will air at 3 pm for the Canada Audience. Let us know what you think and subscribe: http://bit.ly/BBCEarthSubDiver Rob
03:50
How to Predict Rip Currents | Earth Lab

360 views / 0 likes - added 5 years ago

To understand the pattern of water movement and tides on the beach a special instrument called drifter is used, but it's not an easy task. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of B
10:48
DC Resistors & Batteries: Crash Course Physics #29

579 views / 1 likes - added 7 years ago

Batteries power much of your daily life, so today we're going to talk about how they work. We're also explaining how terminal voltage results from the natural internal resistance of every real battery. We'll get into both series and parallel circuit confi
03:54
Is Weight Determined By Nature or Nurture? | Earth Lab

394 views / 0 likes - added 5 years ago

Is there a gene that determines body weight? Two identical twins might hold the answer by looking at epigenetics. Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: htt
04:03 Popular
What Can Chickens Tell Us About Human Diseases? | Earth Lab

787 views / 2 likes - added 5 years ago

A virus has evolved to kill vaccinated chickens. Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHouse Horizon: Are We Still Evolving
01:45
Meerkats can Solve Complex Tasks to Eat Scorpions | BBC Earth

608 views / 1 likes - added 6 years ago

How good are meerkats at innovation when faced with complex problems separating them from a tasty scorpion? Narrated by David Attenborough. Subscribe: http://bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet Earth http://bit.ly/PlanetEarthPlayli
03:45
Meerkats are Caught in a Dust Storm | BBC Earth

662 views / 0 likes - added 6 years ago

When a dust storm hits the Kalahari desert, the meerkats need to split up to hide and survive. Narrated by David Attenborough. Subscribe: http://bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Plane
03:29
The Intelligent Robot Car That Can Drive Itself | Earth Lab

363 views / 1 likes - added 5 years ago

As Artificial Intelligence advances, fully automated robotic self driving cars are not just science fiction anymore. Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http:/
09:03
Things to Know About Chimps | BBC Earth

543 views / 0 likes - added 5 years ago

Chimp behaviour can be surprisingly advanced, and sometimes incredibly violent: discover some of their impressive features with the best clip from our Natural History archive. Subscribe to BBC Earth for more amazing animal videos - http://bit.ly/BBCEarthS
05:58
What Diseases Frozen in Ice could be Hidden in our Glaciers? | Earth Lab

433 views / 0 likes - added 5 years ago

Permafrost has kept viruses and bacteria frozen for centuries, but global warming could uncover some unpleasant surprises from the past. While in Iceland, Greg Foot looks at what the consequences could be. Want to also become one of BBC Earth's presenters
03:59
Rescued baby Sun Bear learns to climb and play | Earth Unplugged

627 views / 2 likes - added 6 years ago

Big Cat About The House airs on BBC Two (UK) from 22nd March to 5th April. This baby bear, rescued from illegal wildlife traders, keeps active in her new playground and learns to climb. Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Moti
03:08
This 67 Year Old Bird Could Be The Oldest In The World | BBC Earth

347 views / 0 likes - added 4 years ago

This albatross is affectionately known as Wisdom, and is the oldest known bird in the wild.Subscribe: http://bit.ly/BBCEarthSub #Birds #EndangeredSpecies #AlbatrossWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BluePl
04:21
Childhood Taste Test | Horizon: The Truth about Taste | Earth Lab

474 views / 0 likes - added 4 years ago

Horizons explores the science of taste, asking why do brussel sprouts taste bad to children? And how can you stop your child from being a fussy eater?Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVide
03:50
Life without Smell | Horizon: The Truth about Taste | Earth Lab

489 views / 0 likes - added 4 years ago

A tragic car accident leaves a would-be chef unable to pursue her dream and demonstrates the how important smell is to taste.Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The
08:04 Popular
How Do Satellites Help Us Communicate? | Space on Earth | BBC Earth

923 views / 0 likes - added 4 years ago

What role do satellites play in communication on Earth? Join @hashemalghaili at Goonhilly Earth Station to learn about how the UK opened up telecommunications via satellite for the first time, as well as how satellites monitor Earth activity from space.Su
03:53
Inside a Nuclear Reactor Core | Earth Lab

479 views / 0 likes - added 5 years ago

How is energy generated inside a nuclear plant? And what it's needed to make it work and generate nuclear energy? Subscribe: http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of BBC Earth videos http://bi
10:26
Big Wave Surfing: The New Ritual | Extraordinary Rituals | Earth Unplugged

547 views / 0 likes - added 5 years ago

In Nazare, Portugal, extreme big wave surfers ride some of the greatest waves on the planet with the help of a new ritual. Watch Extraordinary Rituals: http://bit.ly/exrituals Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http:/
02:45
Black Bear Cubs First Attempts to Conquer Treetops | BBC Earth

481 views / 1 likes - added 6 years ago

From the moment they leave their den, black bears have a natural instinct to climb. Watch these cubs' first attempts to conquer treetops! Subscribe to BBC Earth: http://bit.ly/BBCEarthSub Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://b
02:07
Petting Sharks like Dogs?! | Blue Planet Live | BBC Earth

693 views / 1 likes - added 5 years ago

Cristina Zenato is the woman who isn't afraid to hug sharks. Watch Blue Planet Live on BBC One (UK) and BBC Earth (Canada): Audience. Let us know what you think and subscribe: http://bit.ly/BBCEarthSubCristina Zenato caresses her sharks in the warm Bahama
01:39
How Has Disease Helped Humans Evolve? | Earth Lab

636 views / 0 likes - added 5 years ago

Diseases have been one of the biggest drivers of evolution by favouring genetic mutations. Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAr
04:10
Are Cosmetically Engineered Babies Changing The Course Of Evolution? | Earth Lab

429 views / 0 likes - added 5 years ago

It's now possible to modify the genes in embryos to alter the genes for their cosmetic trait Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctors
04:11
Can Science Tell Us How Humans Will Evolve? | Earth Lab

379 views / 0 likes - added 5 years ago

Every species is constantly evolving, but can science tell us what human evolution will look like? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheD
08:53
The Wild Animals of Singapore | Wild Cities | BBC Earth

520 views / 1 likes - added 5 years ago

Hannah Stitfall explores the Botanic Gardens of Singapore, where animals like monitor lizards, otters and rare birds have found a new home. Subscribe to BBC Earth for more amazing animal videos - http://bit.ly/BBCEarthSub Watch more videos from BBC Earth:
02:10 Popular
Sharks in the Bahamas | Blue Planet Live | BBC Earth

919 views / 2 likes - added 5 years ago

Watch the new promo for Blue Planet Live! BBC One will air the program at 8 pm on Wednesday 27th March for the UK audience and BBC Earth will air at 3 pm for the Canada Audience. Let us know what you think and subscribe: http://bit.ly/BBCEarthSub Steve Ba
07:10
Could the Northern Lights Signal a Global Catastrophe | Earth Lab

540 views / 1 likes - added 5 years ago

Greg witnesses the Northern Lights in Iceland, and looks into the science behind them... and whether they might be a bad sign for humanity . Watch Maddie looking at the myths surrounding the Northern Lights on Earth Unplugged: http://bit.ly/ISLmyths Want
Ten Million Starlings Swarm (7 Tonnes of Bird Poo) | Superswarm | BBC Earth

189 views / 0 likes - added 3 years ago

Rome plays host to one of the world's most amazing displays of aerial acrobatics, but it's not all beauty and grace... Subscribe: http://bit.ly/BBCEarthSub #BBCEarthWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BlueP
04:20
Ants Take on Giraffes | How Nature Works | BBC Earth

80 views / 0 likes - added 6 months ago

This tree has welcome one special guest that wards off the likes of elephant, deer and giraffes...Subscribe: http://bit.ly/BBCEarthSub #Giraffes #HowNatureWorks #BBCEarthWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/
03:58
Two Orphan Hippos Are Hand Raised | BBC Earth

562 views / 3 likes - added 6 years ago

These orphaned hippos make new friends in some fellow orphan rhinos. Subscribe to BBC Earth for more amazing animal videos - http://bit.ly/BBCEarthSub Nature's Miracle Orphans: Filmed in Africa and Costa Rica, this series meets animals with some extraordi
12:42
Master-slave JK flip-flop

560 views / 0 likes - added 7 years ago

An effective solution to the "racing" problem described in my previous video (https://youtu.be/st3mUEub99E) is the master-slave JK flip-flop which comprises two SR latches. In this video I explain how it works, build, and test it. Support me on Patreon: h
04:01
Will Humans Survive the Next Great Epidemic? | Earth Lab

409 views / 0 likes - added 5 years ago

With technology having helped us defeating diseases, will this make future generations more vulnerable to them due to lack of natural selection? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos Th
02:03 Popular
Sarcosuchus: the Dinosaur Killing Crocodile | Deadly Dinosaurs | Earth Unplugged

1,070 views / 3 likes - added 5 years ago

Steve Backshall needs the most powerful jaw in the dinosaur kingdom... the giant croc Sarcosuchus might have what he's looking for. Watch Deadly Dinosaurs on CBBC: http://bit.ly/deadlydinosaurs Subscribe: http://bit.ly/SubscribeToEarthUnplugged Deadly D
04:11 Popular
The Mustachioed Stranger | SPIRIT RIDING FREE

1,011 views / 0 likes - added 6 years ago

When Lucky is turned away from registering for The Tarrell Circuit, she disguises herself and Spirit! While they successfully sneak in, the race is not without its obstacles! See who crosses the finish line first in an all-new season of DreamWorks Spirit
08:26
How phone calls used to be routed by people. The Step-By-Step Switch, 1951.

429 views / 0 likes - added 4 years ago

See more from the AT&T Archives at http://techchannel.att.com/archives The purpose of this film was to show employees, back in 1951, how calls were automatically switched through an SxS office. This film gives a general appreciation of the importance,
03:31
The Dangers Of Ice Fishing | Earth Unplugged

473 views / 0 likes - added 5 years ago

WARNING: Contains strong language Every moment fishing on ice has a hidden danger.Subscribe: http://bit.ly/SubscribeToEarthUnplugged Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/EarthUnpluggedExpeditionsAn

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