It may seem counterintuitive, but draining the battery to 0 to 1% before recharging it again, is not a good practice. One simple hack to improve your battery life (for Li-ion batteries) is to use the 80:20 rule. Charge your battery to...

A cathode is the terminal from which electrons enter a system.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

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...

Revealed: the tremendous heat created and energy 'lost' when cars brake. Physics - Energy And Radioactivity - Learning Points. Car brakes convert kinetic energy into heat energy. When you press the car brake pad a system of levers and...

What is electricity? How is it created, and what makes it useful? Physics - Electricity And Circuits - Learning Points. Electricity is a flow of charge. The flow of moving electrons is known as the electric current. Voltage is the amount...

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....

We use lemons and strips of zinc and copper to make a battery. First, strips of copper and zinc are added to one lemon and they are connected across a voltmeter. This is repeated, this time with more lemons and metal plates, until a...

How these simple semiconductor devices allow us to control the strength and flow of electrical current in a circuit, and are integral components in modern electrical equipment. Physics - Electricity And Circuits - Learning Points....

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...

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...

What is it? ... It's a battery!
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Physical processes - Electricity and magnetism - Elect
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A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The...

Four different objects are shown, but which is the only one that does not store energy?
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Physical processes - Energy and energy transfer -
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toring energy


A Twig Tidbit Film - Odd one out. The...

Six symbols are shown on screen, but only four are real circuit symbols ... can you spot them?
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Physical processes - Electricity and magnetism - Elect
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A Twig Tidbit Film - Spot the...

Four objects are shown on screen, but which one is not biodegradable?
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People and places -Environmental awareness and care - Natural and synth
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Learning Points
Natural...

Learn how to identify universal circuit symbols.
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Physical processes - Electricity and magnetism - Elect
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Learning Points
Electrical circuits are draw
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using universal...

Find out how energy can be wasted as heat when a racing car brakes.
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Physical processes -Energy and energy transfer - Energy
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Energy can be


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We delve into the derivation of the equation for energy stored in the magnetic field generated within an inductor as charges move through it. Explore the basics of LR circuits, where we analyze a circuit comprising an inductor,...

Ever wondered why current in a circuit doesn't change instantly? Join us as we explore the fascinating world of inductance using a basic circuit with a battery, a resistor, and a switch! 🤓🔧 In this engaging video, we break down the...

Discover Thomas Edison’s later inventions, including the motion picture camera, the kinetograph, and the alkaline storage battery. Learn how he collaborated with William Dickson to revolutionize the way we experience film and how his...

Napoleon faces a critical moment at Rivoli. Despite being heavily outnumbered, with only 10,000 men to hold off 24,000 Austrians, his tactical brilliance allows him to identify and exploit the terrain to his advantage. As...

Jason and Alice experience a challenging day, from dealing with frustrations during a film shoot to navigating the streets with a low-charged scooter. Later, Alice suffers a miscarriage and has to go to the emergency room alone because...

The video discusses the General Motors Volt, an extended range electric vehicle that is considered the US industry's first serious mass market green vehicle. It can be driven for around 65 kilometers on battery power alone, meeting the...

With the pressure to reduce carbon emissions, small cars that leave less of a footprint are becoming increasingly important.

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,...