In this video I explain how the production possibilities curve shifts when there is a change in resources or a change in technology. Understanding the general concept will help you understand the idea of economic growth, but keep in mind...

The video is a lecture presentation on VI characteristics, where the speaker demonstrates how to investigate the relationship between the current through a light bulb and the potential difference across it. The speaker shows how to...

It explains destruction caused by cyclones and effective safety measures.

Passing a current through water makes hydrogen and oxygen, which fill a bubble that can be ignited. Parts Needed 1 1 liter bottle 8 9 V batteries 6 Stainless steel nails or screws 6 Clip leads Bubble solution Lighter This demonstration...

This video is answering the question of what is a carbon footprint.

We asked our audience what they thought about increasing our reliance on nuclear power, so in this video, we're examing the pros and cons of building more nuclear power plants.

This video discusses the relationships between electrical energy, voltage, current, and time. It explains the concept of electrical power and how it is measured in watts or joules per second. The video then shows how this equation can be...

In this video, Singapore's Transport Minister discusses the country's goal of achieving carbon neutral transportation by 2040. He explores the challenges of transitioning to cleaner energy sources, as well as the need for a reliable...

The project will eventually field a total of 2.85 million solar panels, generating 1.65 gigawatts of electricity — enough to power 250,000 homes.

In this video, the teacher explains the concept of work in physics, defining it as the energy used to exert a force on something to move it a distance. The teacher also discusses the unit of measurement for work, joules, and how it...

Once upon a time, a horrible war known as World War 1 devastated the planet. Immediately after the war, a lot of people in the United States were passionate about various causes, some good, some not so much. While women had finally won...

Provides case studies and arguments for why renewable energy is producing more jobs and more economic security for the U.S.

Pure water doesn’t conduct electricity; by itself, it is a poor conductor of electricity. However, water contains charged ions and impurities that make it a very good conductor of electricity. We are always told and taught that water...

Heat lightning is a nickname given to frequent lightning seen in distant thunderstorms, often on a warm summer evening. It’s a misnomer or bad name, because it suggests that the storms are not dangerous. Heat lightning is regular...

All of us use water and in the process, a lot of it goes to waste. Whether it goes down drains, sewers or toilets, much of it ends up at a wastewater treatment plant where it undergoes rigorous cleaning before it flows back to the...

Bailey learns the way in which weather affects people all over the world. Through his adventure, he comes to understand how weather affects the clothes we wear, our homes as well as the animals and land all around us.