SciShow
3 World-Changing Biology Experiments
Hank tells us the stories of three experiments in biology that, with creativity and luck, changed science & the world with it in their work to solve the mysteries of the universe.
SciShow
SciShow Quiz Show: Katelyn Salem vs. Hank Green
Welcome back to SciShow Quiz Show! Katelyn Salem of Kate Tectonics competes against Googleable internet sensation, Hank Green.
SciShow
5 Ways to Use Your Body as a Charger
Devices that collect data about our bodies need power, but they also might need to be very small or even ingestible. To avoid including batteries in these cases, researchers are looking for ways to harvest energy from the body itself.
TED Talks
Gero Miesenboeck: Re-engineering the brain
In the quest to map the brain, many scientists have attempted the incredibly daunting task of recording the activity of each neuron. Gero Miesenboeck works backward -- manipulating specific neurons to figure out exactly what they do,...
SciShow
Why Do Batteries Taste Sour?
If you put your tongue on a 9-volt battery it might taste sour, kind of like lemonade, but why does that shock have a flavor?
SciShow
What Happens If You're Struck By Lightning?
The chances of you being hit by lightning are small by comparison, but it does happen! Hank will go through what ultimately happens when you are struck by lightning because chances are you will survive to tell it to your friends.
SciShow
How to Make Plasma in Your Microwave ... With a Grape
You’ve probably seen the videos on YouTube turning grapes into fireballs in the microwave. Well, there’s a pretty cool scientific explanation for why a grape is perfect for making plasma.
SciShow
3 World-Changing Biology Experiments
Hank tells us the stories of three experiments in biology that, with creativity and luck, changed science & the world with it in their work to solve the mysteries of the universe.
Crash Course
Electrical Power, Conductors, & Your Dream Home: Crash Course Engineering #21
Today, we'll explore the materials electrical engineers work with. We'll look at high-conductors, insulators, and how low-conductivity conductors can be used to generate light and heat.
SciShow
Why Do I Sweat So Much?
If you always end up soaked while your friends are barely glistening, you might have wondered why your sweat glands are so… sweaty.
Crash Course
Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22
Today we’re looking at silicon, and how introducing small amounts of other elements allow silicon layers to conduct currents, turning them into semiconductors. We’ll explore how putting two different types – N and P semiconductors –...
Crash Course
Electricity: Crash Course History of Science
The study of electricity goes all the way back to antiquity. But, by the time electricity started to become more well known, a few familiar names started to appear. Edison, Galvani, and a few others really changed the way the world worked.
Curated Video
Revolutionary Stomach Pacemaker: A Game-Changer for Weight Loss
Introducing a new experimental device, similar to a pacemaker for the stomach, that has shown promising results in helping overweight patients shed pounds. By delivering mild bursts of electrical current to the stomach muscle, the device...
Curated Video
Electroplating
Coating an object with a metal using electrolysis. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Cathode
A cathode is the terminal from which electrons enter a system. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Circuits
What are circuits and why do we need them? What happens if you break a circuit? Physics - Electricity And Circuits - Learning Points. Circuits are composed of a voltage source and components. The current in a series circuit is the same...
Curated Video
How Do Generators Work?
Discover how simple magnets and wires can be used to create electricity - and how this principle is now used in national power supplies. Physics - Electricity And Circuits - Learning Points. In 1835 the scientist Michael Faraday made an...
Curated Video
Anode
An anode is the terminal from which electrons leave a system. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Electric Energy: The Components of an Electric Circuit
By the end of this learning object, the student will be able to: Know the components of an electric circuit and how it works.13761
Curated Video
Miniaturization Marvels: From LEDs to OLEDs
Discover the transformative journey of lighting technology from Thomas Edison's incandescent bulbs to today's ultra-efficient LEDs and groundbreaking OLEDs. This video explains the evolution of light sources, their impact on energy...
Curated Video
The Evolution of Telecommunications: From Telegraph to Smartphone
Explore the transformative history of telecommunications technology, from the invention of the telephone by Alexander Graham Bell to the modern smartphone. Discover how early devices like the phone and TV revolutionized communication and...
Curated Video
Mapping the Living Brain: Understanding its Functions and Disorders
This video explores the complexity of the human brain and how new imaging techniques are helping neurologists and neuroscientists map and understand its functions. By detecting and analyzing the brain's magnetic fields, researchers are...
Curated Video
Ground Wire Explained
Ground wire explained. What is the purpose of the ground wire, what does it connect to, when is it used, why is it used.