TED Talks
TED: A demo of wireless electricity | Eric Giler
Eric Giler wants to untangle our wired lives with cable-free electric power. Here, he covers what this sci-fi tech offers, and demos MIT's breakthrough version, WiTricity -- a near-to-market invention that may soon recharge your cell...
TED Talks
TED: A new way to heal hearts without surgery | Franz Freudenthal
At the intersection of medical invention and indigenous culture, pediatric cardiologist Franz Freudenthal mends holes in the hearts of children across the world, using a device born from traditional Bolivian loom weaving. "The most...
SciShow
Who Really Invented the Radio
In the radio race, one inventor came out ahead while the other was overshadowed. Michael Aranda goes into the history of the radio and the many people who contributed to make the tool we use every day.
Crash Course
Ampère's Law: Crash Course Physics
Hans Christian Oersted had just discovered the connection between electricity and magnetism. Meanwhile, a French physicist named André-Marie Ampère was experimenting with some wires, trying to learn more about the connection between...
Crash Course
How Power Gets to Your Home: Crash Course Physics
In this episode of Crash Course Physics, Shini talks to us about how power gets to our homes. It's kind of amazing when you think about it and much more complicated than it may seem!
Crash Course
Induction - An Introduction: Crash Course Physics
In this episode of Crash Course Physics, Megneto helps Shini explain what induction is, how it works, and why magnetism is so seemingly complicated.
Curated Video
Transformer
A device used to change the voltage of an alternating current. 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
What Are Electromagnets?
How do electromagnets differ from permanent magnets, and what are they used for? Physics - Electricity And Circuits - Learning Points. An electromagnet is created by running an electrical current through a coil of wire. An electromagnet...
Curated Video
Electromagnetic induction
The generation of a voltage in a conductor when placed within a changing magnetic field. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
AC, DC and Transformers
Power loss affects electricity supply, especially to homes far from power stations. Why is power lost, and how is electricity effectively transported over long distances? Physics - Electricity And Circuits - Learning Points. Direct...
Curated Video
Hydrogels
We use a disposable nappy to examine the superabsorbent properties of hydrogels. We add water to grains of hydrogel and watch them swell before adding salt to see the water escape. Chemistry - Chemical Industries - Learning Points....
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
Wind-up radio
Discover what powers a wind-up radio. Physical processes -Energy and energy transfer - Storing energy Learning Points Batteries produce chemical energy. Wind-up radios store potential energy. Kinetic energy can be transformed into...
Science Buddies
How to Use a Solenoid with Arduino
Dive into the world of Arduino and solenoids with this hands-on tutorial. Discover how solenoids operate to provide linear motion and how you can control them using Arduino. Ideal for hobbyists and makers looking to integrate solenoids...
Curated Video
The Evolution of Portable Music and Remote Control Technology
Dive into the fascinating history of portable music players and the technological advances in remote controls. From the revolutionary Walkman of the late 1970s to the intricacies of cassette mechanics and the progression from infrared to...
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
The Evolution of Household Appliances and the Rise of Electric Mobility
Dive into the technological revolution that has transformed bulky household appliances into sleek, efficient devices and is paving the way for innovative electric transportation. From the powerful, lightweight vacuum cleaners of today to...
Healthcare Triage
Transcranial Magnetic Stimulation: How Does that Work?
May is Mental Awareness Month, and today we're talking about Transcrainial Magnetic Stimulation (TMS). We'll look at how this treatment is administered, dive into the research on how effective this treatment is, compare the results to...
Science Buddies
How Does an Electromagnet Work?
You may be familiar with permanent magnets—the kind that hang on a refrigerator. But did you know that other magnets, called electromagnets, can be turned on and off? When turned on, electromagnets act just like permanent magnets, but if...
Curated Video
Hamlet 3.1 Word Nerd: Shuffle
This video explores the phrase "this mortal coil" from Shakespeare's "Hamlet," detailing its vivid imagery and meanings. The video explains the various meanings of "shuffle" and "coil" in Shakespeare's time, enhancing the viewer's...
Curated Video
New Trial Procedure Shows Promising Results in Treating Brain Aneurysms
The Radcliffe Infirmary in Oxford has conducted a groundbreaking trial on the treatment of brain aneurysms. The trial compares two methods of treatment and has shown that a less invasive procedure using tiny platinum coils has a...
Curated Video
GCSE Physics - How the Electric Motor Works #80
This video covers: - How the electric motor uses electricity to create rotational motion - A quick recap of the motor effect and Fleming's left hand rule - How a split-ring commutator works - Where electric motors are used - How to...
Curated Video
GCSE Physics - Electromagnetism #78
In this video we cover: - What electromagnetism is - How it works in wires, coils, solenoids and electromagnets - How to increase the strength of an electromagnet Exam board specific info: AQA - Everything is relevant to your course!...
Curated Video
GCSE Physics - How Transformers Work #82
This video covers: - Brief summary of what transformers do (i.e. step up or step down the voltage) - How transformers work Exam board specific info: AQA - Separate/triple science and higher tier only IGCSE Edexcel - Separate/triple...