DIY SCI host Steve Spangler demonstrates the difference between a light gas like helium and a heavy gas like sulfur hexafluoride!

Discusses the six major greenhouse gases and what policies are in place that require GHG reporting

Earth's atmosphere naturally contains greenhouse gases. Without them, the world would be way too cold for humans. But we are adding extra greenhouse gases, which are causing Earth to heat up and disrupting weather patterns worldwide. So...

Lesson 17 (Waves, Light, and Sound) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises...