Crash Course
Reversibility and Irreversibility: Crash Course Engineering #8
Reversibility in cars isn't about driving backwards. An informative YouTube video describes how the degree of reversibility in a system determines its efficiency. It explains the concept using an example of the pistons in a car engine...
Crash Course
Why We Can't Invent a Perfect Engine: Crash Course Engineering #10
Your car's engine is likely to be only 20 percent thermally efficient. Why so inefficient? Viewers of the 10th video in an engineering series learn how the second law of thermodynamics and entropy limit the efficiency of a car engine....
Crash Course
Engines: Crash Course Physics #24
Rev up your teaching with a lesson on engines! The 24th installment in a Crash Course physics series explains the basics of an engine through a discussion of thermodynamics. The instructor shows examples explains the efficiency of the...
Real Engineering
Steam Engine—How Does It Work?
Full steam ahead! A video in the Real Engineering playlist shows viewers how steam engines work. the video starts with an explanation of the inefficient steam engines from before the Industrial Revolution and ends with modern steam...
Real Engineering
The Spitfire's Fatal Flaw
In a battle between the Spitfire and the Messerschmidt, the Spitfire had one major problem. A Real Engineering video shows how the Spitfire airplane had a tendency to stall in negative gravity. Along the way, viewers learn about pressure...
MinutePhysics
Why Are Airplane Engines So Big?
Why is the size of jet engines increasing? An entertaining video lesson describes the efficiency of jet engines. The narrator describes the poor design of an engine that is too small or too big and explains why it is more efficient to...
University of Massachusetts
Science Out Loud: What Do Horses, Cars, & Planes Have in Common?
Ever wondered what horsepower really means, and what horses have to do with other modes of transportation? Luke and Abhi take us behind how engines work in machines all around us, including the surprising ways that they're all related!...
PBS
Pbs Kids: Animations: How Does an Internal Combustion Engine Work?
Narrated animation that shows how an engine uses flowing air to draw fuel into a cylinder causing a spark to ignite the combustible mixture. ( 30 sec) Uses Quicktime.