This video is a lecture presentation that focuses on atmospheric pollution, discussing the effects of different types of pollution on the environment and living organisms. The lecturer covers the biological consequences of pollution...

The video explains what atmospheric pressure is and how it changes with altitude above the Earth's surface. The video then goes on to explain how pressure increases as we move deeper into the atmosphere due to the greater weight of air...

How to build a whole tone scale and exploring some of its uses. Most musicians are familiar with major and minor scales but what about other scales? The whole tone scale was much used by Debussy and other composers, and it generates a...

This video explains the difference between meteoroids, meteors, and meteorites. They discuss the history of meteors and how they were once believed to be fireballs or signs of impending doom. The video also covers the origin and...

This video explains the concept of global climate change and its potential effects on the Earth. It discusses the scientific consensus that the Earth's temperature is rising due to the emission of greenhouse gases, the resulting melting...

Mechanical Cooling Towers can be identified by the use of fans to create airflow. An induced draft tower will have fans at the top, which pulls air through. A forced draft tower will have fans at the bottom used to force air into the...