Collection of videos from Crash Course that teach principles of Engineering including topics such as types of engineering, Zeroth Laws of Thermodynamics, engines, and mass transfer and separation.

## Collection Contents

### Crash Course Engineering Preview

by Lani deGuia

Dr. Shini Somara provides an overview of the Crash Course Engineering series.
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### Fluid Flow & Equipment: Crash Course Engineering #13

by Lani deGuia

Today we’ll dive further into fluid flow and how we can use equipment to apply our skills. We explain Bernoulli’s Principle and the relationship between speed and pressure in certain flowing fluids. We’ll also discuss how to apply the principle with Bernoulli’s Equation and try to use it in real-world examples.
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### Heat Transfer: Crash Course Engineering #14

by Lani deGuia

Today we’re talking about heat transfer and the different mechanisms behind it. We’ll explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation.
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### How Not to Set Your Pizza on Fire: Crash Course Engineering #15

by Lani deGuia

Today we’re going to explain how exchangers...exchange heat. We’ll look at concentric tubes, finned tubes, plate heat exchangers, and shell-and-tube heat exchangers. And we’ll look at some equations to help us sort through heat transfer and decide what heat exchangers are best suited for our designs.
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### Drugs, Dyes, and Mass Transfer: Crash Course Engineering #16

by Lani deGuia

Today we’re talking about mass transfer. It doesn’t just apply to objects and fluids as a whole, but also to the individual molecules and components that make them up. We’ll see that transfers of mass need their own driving force, discuss diffusion, and use Fick’s Law to help us model mass transfer.
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### Mass Separation: Crash Course Engineering #17

by Lani deGuia

It can be really important to separate out chemicals for all kinds of reasons. Today we’re going over three different processes engineers use to achieve that separation: distillation, which separates substances based on their different boiling points; liquid-liquid extraction, which uses differences in solubility to transfer a contaminant into a solvent; and reverse osmosis, which filters molecules from a solvent by pressurizing it through a semipermeable barrier.
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### Reaching breaking point: Materials, Stresses, and Toughness: Crash Course Engineering #18

by Lani deGuia

Today we’re going to start thinking about materials that are used in engineering. We’ll look at mechanical properties of materials, stress-strain diagrams, elasticity and toughness, and describe other material properties like hardness, creep strength, and fatigue strength.
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### Metals & Ceramics: Crash Course Engineering #19

by Lani deGuia

Today we’ll explore more about two of the three main types of materials that we use as engineers: metals and ceramics. We’ll discuss properties of metals, alloys, ceramics, clay, cement, and glass-ceramic materials. We’ll also look at the applications of our materials with microelectromechanical systems and accelerometers.
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### Crash Course Video: The Polymer Explosion: Crash Course Engineering #20

by Janet Pinto

We’re continuing our look at engineering materials with the third main type of material that you’ll encounter as an engineer: polymers. They’re made of long, repeating chains of smaller molecules known as monomers and today we’ll explore their strange history of polymers and the things that contributed to how we use them today.
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### Crash Course Video: Electrical Power, Conductors, and Your Dream Home: Crash Course Engineering #21

by Scout McNealy

Today, we\'ll explore the materials electrical engineers work with. We\'ll look at high-conductors, insulators, and how low-conductivity conductors can be used to generate light and heat.
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### Stress, Strain & Quicksand: Crash Course Engineering #12

by Lani deGuia

Today we’re talking all about fluid mechanics! We’ll look at different scales that we work with as engineers, mass and energy transfers, the no-slip condition, stress and strain, Newton’s law of viscosity, Reynold’s number, and more!
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### Heat Engines, Refrigerators, and Cycles: Crash Course Engineering #11

by Lani deGuia

Cycles are a big deal in engineering. Today we’ll explain what they are and how they’re used in heat engines, refrigerators, and heat pumps. We’ll also discuss phase diagrams and the power of using renewable energy resources
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### Why We Can\'t Invent a Perfect Engine: Crash Course Engineering #10

by Lani deGuia

We’ve introduced the 0th and 1st laws of thermodynamics, so now it’s time to move on to the second law and how we came to understand it. We’ll explain the differences between the first and second law, and we’ll talk about the Carnot cycle and why we can never design a perfectly efficient engine.
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### What is Engineering?: Crash Course Engineering #1

by Lani deGuia

In our first episode of Crash Course Engineering, Shini explains what engineering is, and gives a brief overview of its four main branches (civil, mechanical, electrical, and chemical) as well as a look at some of the other fields of engineering. Crash Course Engineering is produced in association with PBS Digital Studios
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### Civil Engineering: Crash Course Engineering #2

by Lani deGuia

We’re beginning our engineering journey with a tour through the major branches. Today Shini explains the facets of civil engineering, including structural and construction engineering, city planning, transportation, and sanitation. Crash Course Engineering is produced in association with PBS Digital Studios
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### Mechanical Engineering: Crash Course Engineering #3

by Lani deGuia

Today we continue our tour through the major fields of engineering with a look at mechanical engineering, beginning with the steam engine. We’ll discuss aircraft, the development of aerospace engineering, and take a look into the future of robotics and biomechanics. Crash Course Engineering is produced in association with PBS Digital Studios
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### The History of Electrical Engineering: Crash Course Engineering #4

by Lani deGuia

Next stop on our tour of engineering’s major fields: electrical engineering. In this episode we’ll explore the history of telecommunications, electric power and lighting, and computers. We’ll introduce topics like magnetism, electrical conduction, telegraphy, lighting, and computers. Crash Course Engineering is produced in association with PBS Digital Studios
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### The History of Chemical Engineering: Crash Course Engineering #5

by Lani deGuia

Today we’ll cover the fourth and final of our core disciplines of engineering: chemical engineering. We’ll talk about its history and evolution going from soda ash competitions to oil refineries and renewable energies. We’ll also discuss some newer and emerging fields like biotechnology and pharmaceuticals.
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### Biomedical & Industrial Engineering: Crash Course Engineering #6

by Lani deGuia

We’ve discussed the four main branches of engineering but there are so many other fields doing important work, so today we’re going to explore a few of them. In this episode we’ll explore some of the history and fundamentals of industrial engineering, biomedical engineering, and bioengineering.
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### The Law of Conservation: Crash Course Engineering #7

by Lani deGuia

Today Shini explains the law of conservation, beginning with simple, steady-state systems. We’ll discuss conversion and yield, accumulation, and how generation and consumption can affect how much accumulation there is in a system. This episode is sponsored by CuriosityStream: http://curiositystream.com/crashcourse
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### Reversibility & Irreversibility: Crash Course Engineering #8

by Lani deGuia

How do we design the most efficient machines and processes? Today we’ll try to figure that out as we discuss heat & work, reversibility & irreversibility, and how to use efficiency to measure a system
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### The First & Zeroth Laws of Thermodynamics: Crash Course Engineering #9

by Lani deGuia

In today’s episode we’ll explore thermodynamics and some of the ways it shows up in our daily lives. We’ll learn the zeroth law of thermodynamics, what it means to reach a thermal equilibrium, and define the first law of thermodynamics. We’ll also explore how stationary, adiabatic, and isochoric processes can make our lives as engineers a little easier. Note: Different branches of engineering sometimes define the first law of thermodynamics differently, depending on how work is defined. Essentially, work released from a system might be defined as a positive value or a negative value, and thus the first law can be defined as either Q-W or Q+W. Both are acceptable forms, depending on how the system is defined! We chose to focus on only one definition here to limit the confusion.
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### Crash Course Video: Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39

by Scout McNealy

In this episode, we looked at food engineering. We explored how food’s capacity to spoil makes it a unique challenge from an engineering viewpoint. We saw how many branches of engineering come into play to process ingredients, ensure safety for consumers, and package food, as well as how thermodynamics is involved in the different stages of food production.
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