SciShow
Can You Make A Computer Out Of Food?
Could an edible computer be in your future? Researchers are currently working on several of the components you find in them, from batteries to circuit boards to logic gates.
SciShow
Why Haven't We Built a Better Battery?
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
SciShow
Where Are All the Electric Airplanes
Clean, renewable energy is becoming more and more common in our everyday lives. But, as our cars and buildings become more green, tens of thousands of airplanes fly every day using petroleum-based fuel, and there's seemingly no end in...
SciShow
Can You Use Electricity to Supercharge Your Brain?
tDCS devices claim to stimulate your brain and have psychological benefits, but do they really work?
SciShow
Batteries: A Big Idea That Turned on the World
Even though they power many of our modern conveniences, batteries have a long history. Hank explains how and why these marvels work and what they've been used for over the past 2,000 years!
SciShow
Great Minds We Lost in 2012
Hank pays tribute to some of the great scientific minds we lost in 2012, and then apologizes for some mistakes made in recent SciShow episodes.
SciShow
Why Are Smartphone Batteries Combusting
Why did some of Samsung's Galaxy Note7 phones explode? And what can Tardigrades teach us about protecting our DNA?
SciShow
Why Haven't We Built a Better Battery?
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
TED-Ed
TED-ED: How transistors work - Gokul J. Krishnan
Modern computers are revolutionizing our lives, performing tasks unimaginable only decades ago. This was made possible by a long series of innovations, but there's one foundational invention that almost everything else relies upon: the...
SciShow
How to Make a Lemon Battery
Hank shows us another SciShow: Experiment! This time he's tackling what may be the most cliche, well-known and misunderstood experiment of all time: the lemon battery. The take home message in this one is: the electricity is NOT in the...
Curated Video
The Photoelectric Effect : Light and Electrons
The photoelectric effect is a phenomenon where electrons are emitted from a material, typically a metal, when exposed to light. This effect supports the quantum theory of light and demonstrates the particle-like properties of...
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
Electrolysis: Discovery, Process, and Industrial Applications
Electrolysis is fundamental to industrial processes. How was it discovered, how does it work and what are its uses? Chemistry - Reactions - Learning Points. The Chemist Humphry Davy developed the reaction we now call electrolysis....
Curated Video
Batteries and Light Bulbs: Illuminating Our Daily Lives
Explore the transformative impact of batteries and light bulbs on modern living, tracing their origins, development, and how they have revolutionized everyday convenience. Discover the scientific principles behind these inventions, from...
Curated Video
GCSE Chemistry - Electrolysis Part 3 - Aqueous Solutions #42
In this video we cover: - How the electrolysis of soluble compounds works - The rules to find out which ions are discharge at each electrode - Electrolysis of aqueous copper sulfate - Electrolysis of aqueous sodium chloride This video is...
Curated Video
GCSE Chemistry - Electrolysis Part 1 - Basics and Molten Compounds #40
This video covers: - What electrolysis is - The equipment of electrolysis and how it should be set up - An example of electrolysis with a molten compound
Curated Video
GCSE Chemistry - Electrolysis P2 - Electrolysis to Extract Metals From Oxides - Explained #41
This video covers: - How to extract reactive metals from their oxides using electrolysis - Recap of extracting unreactive metals with 'reduction by carbon' - The specific example of extracting aluminium from aluminium oxide - Writing...
Curated Video
GCSE Chemistry - Fuel Cells #45
This video covers: - What fuel cells are - How they work - How to write half equations and full equations for fuel cells - The pro's and con's of hydrogen fuel cells Exam board specific info: AQA - Separate/triple science only IGCSE...
Curated Video
How to Use SMD LEDs in Your Electronics Projects
In this video, we're going to learn how to use SMD LEDs in our electronics projects. SMD LEDs are a type of LED that are smaller in size than normal LEDs, which makes them perfect for some special projects
Curated Video
Design and Build a PCB - SMD LED Learn electronics engineering
Learn to design and build printed circuit boards using this tutorial
Curated Video
How LEDs Work - Unravel the Mysteries of How LEDs Work!
How do LEDs work? In this video, we'll explain LED technology in an easy to understand way. We'll cover the different types of LED lights, the different colors that LEDs can emit, and the different applications for LED technology and how...
Neuro Transmissions
I have insomnia. This neurotech says it can cure me.
Would you shock your brain to cure your insomnia? How about your depression or anxiety? What if you could do it in the comfort of your own home with a hand-held device? That’s what cranial electrotherapy stimulation, or CES, proposes to...
Science Buddies
Make a Battery with Coins | Science Experiment
Make a battery with pennies, nickels, salt, and vinegar in this fun science experiment! This type of battery is also called a voltaic pile. You can use a multimeter to measure the voltage and current produced by your battery, and even...