In this video, we will understand machine access control and Internet Protocol addresses.

This video is a detailed introduction to Network Address Translation, allowing computers to share the same public IP address.

This video introduces us to the dynamic host configuration protocol and the domain name service.

This video briefly overviews a network setup in a typical home, including electronic devices, modems, routers, hubs, and so on.

Grandpus installs an unknown device at Fixie School. As a joke, Fire convinces Toola that it’s a time machine. Toola is very nervous about an upcoming exam at school and so her Fixie classmates offer to use the time machine to send her...

This video explores the invention of television and the impact it has had on society. It highlights the story of Philo Taylor Farnsworth, a farm boy from Utah who had the idea to transmit images through parallel lines of light, leading...

Compliant mechanisms have lots of advantages over traditional devices.

Ronak came up with a new design for the phoropter, the device used to determine eye-glass prescriptions. It's basically been unchanged for 200 years. Using a liquid lens, he miniaturized the device and wrote an algorithm to determine...

A modem is a very important piece of network hardware that allows a computer to send and receive data through a telephone line or cable connection. In simple words, its the device that connects a computer to the Internet. The word modem...

In a situation where the charger is connected to a socket without any device plugged in, the charger will draw a minimal current from the mains and the regulator will maintain a steady supply of 5 V. Since the charger is not connected to...

An extension board or power strip comprises multiple sockets connected independently to a flexible power cable and encased in a shockproof plastic shell. It draws power from the wall sockets and distributes it amongst devices connected...

Do you know how transistors work? What is it about transistors that make them the building block of so many electronic items, like computer, laptops, smartphones and tablets these days? What is a transistor? The transistor is arguably...

The working of an electric iron is very simple – it draws electricity from the mains and heats a coil inside. This heat is then transferred to the bottom plate, which is pressed against the clothing to remove wrinkles. It is the...

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...

Yes. Microwaves and radio waves are physically the same, i.e. both are forms of electromagnetic radiation. Some microwave rays can leak out and interfere with WiFi signals. We are basically constantly surrounded by electromagnetic...

Simply switching off your phone data wont completely eliminate radio wave emissions, even when your phone is on standby mode. This is because the phone needs to be connected to a nearby cell tower to be online and available for calls and...

Also called a photovoltaic cell, a device that converts light directly into electricity.
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Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

An electronic device that produces radio waves with an antenna, usually for communication or measurement purposes.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...

A safety device used to prevent an overload of current in an electrical circuit.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

An electronic component that allows current to flow in only one direction.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....

A device that converts one form of energy into another.
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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 Glossary...

A safety device that breaks a circuit when the current exceeds a safe limit.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....

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...

When a significant collision occurs, extreme forces can cause serious damage to the car and its passengers. How do airbags and seatbelts work to reduce the forces that are exerted on the body? Physics - Forces - Learning Points. If a car...