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...

Hurricane Helene made landfall Thursday night in Florida's Big Bend with winds up to 225 km/h and storm surges. It has since weakened to a tropical storm over Georgia, but it left extensive damage in its wake. Michael Bobbitt shows...

Saturn and Titan. Unlike any other moon, Titan has a thick atmosphere of nitrogen, with trace amounts of methane and other hydrocarbons

The Microwave Limb Sounder (MLS) measures the chemistry of the lower stratosphere and upper troposphere. Nitric Acid is a corrosive, non-volatile, and inorganic acid. In the atmosphere it is formed by the conversion of nitrogen monoxide...

Atmosphere at the Induction of Kenny Loggins Into The Rockwalk of Fame at Guitar Center in Hollywood, California on March 7, 2007. (Footage by WireImage Video/Getty Images)

Atmosphere at the Induction of Kenny Loggins Into The Rockwalk of Fame at Guitar Center in Hollywood, California on March 7, 2007. (Footage by WireImage Video/Getty Images)

/ story on the sun damage caused by the disintegration of the ozone layer in the atmosphere / sunbathers on beach, suntanning / Dr Darrel Rigel speaking to Congress about damaging effects from Ozone depletion and the increase in skin...

Atmosphere at the Induction of Kenny Loggins Into The Rockwalk of Fame at Guitar Center in Hollywood, California on March 7, 2007. (Footage by WireImage Video/Getty Images)

Atmosphere at the Induction of Kenny Loggins Into The Rockwalk of Fame at Guitar Center in Hollywood, California on March 7, 2007. (Footage by WireImage Video/Getty Images)

Dr Donald Heath from NASA's Goddard Space Flight Center and Dr Robert Watson from NASA testify before Congress about the dangers of the depletion of the earth's ozone atmosphere layer. Discovery of hole in the ozone layer prompts congr...

Atmosphere at the Induction of Kenny Loggins Into The Rockwalk of Fame at Guitar Center in Hollywood, California on March 7, 2007. (Footage by WireImage Video/Getty Images)

Atmosphere at the Induction of Kenny Loggins Into The Rockwalk of Fame at Guitar Center in Hollywood, California on March 7, 2007. (Footage by WireImage Video/Getty Images)

European Cranes (Grus grus), North East Extremadura in Dehesa. The cranes migrate south in winter from Scandinavia and Northern Europe to Spain and roost in large numbers mainly on lake shores. They feed in the dehesas on acorns and...

This animation shows varied concentrations of ozone near the Antarctic pole. The ozone layer in the stratosphere absorbs UV radiation and creates a warm layer of air in the stratosphere and is therefore responsible for the thermal...

European Cranes (Grus grus), North East Extremadura in Dehesa. The cranes migrate south in winter from Scandinavia and Northern Europe to Spain and roost in large numbers mainly on lake shores. They feed in the dehesas on acorns and...

European Cranes (Grus grus), North East Extremadura in Dehesa. The cranes migrate south in winter from Scandinavia and Northern Europe to Spain and roost in large numbers mainly on lake shores. They feed in the dehesas on acorns and...

European Cranes (Grus grus), North East Extremadura in Dehesa. The cranes migrate south in winter from Scandinavia and Northern Europe to Spain and roost in large numbers mainly on lake shores. They feed in the dehesas on acorns and...

ATMOSPHERE - projections of endangered species onto Empire State Building at Projecting Change: The Empire State Building at The Empire State Building on August 01, 2015 in New York City.

ATMOSPHERE - projections of endangered species onto Empire State Building at Projecting Change: The Empire State Building at The Empire State Building on August 01, 2015 in New York City.