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Discover the Centipede Game, a game theory conundrum where the inability of players to credibly commit prevents a high payoff ... in theory. But in practice, players defy predictions and continue playing the game for several rounds—leading to an ever higher payoff. Follow along with William Spaniel's Game Theory 101 lesson as he explains the theory, assumptions, and practice behind the commitment problems in this puzzling scenario.


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Want to get rid of dead skin and reveal smoother, softer, younger looking skin, but don't want to spend a fortune on beauty products? Taste4Beauty shows you how to make a DIY homemade sugar scrub that's cheap, quick, and easy to make- it only has two ingredients! This scrub will exfoliate and moisturize your skin, and improve blood circulation. You'll be revealing a glamorous new you in no time!


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This lesson will teach the budding painter how to add dimension to an acrylic painting of the ocean by using the wet-on-wet technique. By layering and blending colors of wet paint, artists can create a realistic painting of ocean waves crashing, complete with variations in tone and color. This lesson teaches how to mix paint to achieve a richer picture, as well as how to add reflection to water and give sea foam the illusion of volume by using highlights and shadows.


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Looking for an exercise that’ll help you strengthen your core and lose weight? This Pilates workout for beginners teaches you how to practice ribcage breathing, curling sit ups, and head and shoulder raises. Inhale and exhale in a steady rhythm to get the ultimate workout. Get into a routine and watch your body change!


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Are you a seasoned guitarist always on the lookout for advice? Or maybe you’re a frustrated beginner? Here’s a small tip that will last a lifetime of guitar playing: curl the last knuckle of each fretting finger. This helps you to strum chords efficiently and hit every necessary note. Check out this lesson to fully comprehend the importance of the curl.


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Learn how not to write a subgame perfect equilibrium with this lesson from William Spaniel's Game Theory 101 series. Avoid the classic blunders that can trip you up and lose you points on an exam: remember that a subgame perfect equilibrium is a complete and contingent plan of action, and must state what happens on as well as off the equilibrium path of play. This lesson includes a handy trick to check your work by comparing the number of strategies you list with the number of game nodes.


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What is metaphysics, and what do metaphysicians discuss? How does metaphysics overlap with science? Plato Footnote introduces you to two robots having just this conversation. Join in for the chance to learn about issues of existence and realism, with a focus on questions of time, causation, and general relativity. Note: This lesson is crucial to watch before attempting any time travel, as it explains causal loops.


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The anatomy of an acoustic guitar and a human body have more similarities than you would think. This lesson shows you how to identify all parts of an acoustic guitar, including the head, the neck, and the body. You’ll understand directional terminology such as “up” the neck and “down” the neck, and explore the basics of electronic extras.


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Have you ever lost points on a game theory assignment or test because you came to a slightly wrong conclusion? In this installment of his series on Game Theory, William Spaniel reveals one of the most frequent mistakes game theory students make: expressing mixed strategy Nash equilibria as decimals, not fractions. William demonstrates why 1/3 is not the same as .33, supporting his claim that when solving game theory equations, its always safe to stick with fractions.


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Do you think your fingers lack the dexterity needed in order to play guitar? Never fear! This lesson shows you one of the most basic dexterity exercises that every beginning guitarist should practice. You’ll learn where to press down on the frets, how to pick and change frets, how to change strings, and how to move your fingers up the fretboard. It’s simple and you can go at your own pace.


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Want to make a fun and colorful alcoholic drink? In this lesson, The Vegetarian Baker teaches you how to infuse Absolut Vodka with jelly beans, making the vodka colorful and sweet. Using mini vodka bottles and jelly beans, you can create a cheerful mini-fridge-sized drink with a kick. It's the perfect way to get a little of your inner child into your adult beverage!


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Make your webpage interactive by designing user events that call functions! In this third of three lessons on functions from Learn to Program's JavaScript series, discover how you can create a page that will respond to certain events or actions. See how to make a button page visitors can click, set up functions to execute once the page has loaded, and have the page respond to a user hovering the mouse over a button or word.


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A recent book written by Sam Harris called The Moral Landscape argues that science can answer moral questions, and has caused quite a bit of discussion on the matter. Enter into this dialogue, and discover what both sides of the debate have to say. In this lesson from Plato Footnote, learn what makes a fact, fact, and what contributions science can make in the field of ethics (for example). Finally, this lesson concludes with a short exploration of moral relativism, Plato, and the divine.


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You should always know how to sort your lists. Luckily, Python provides you with a couple options: the sort method and the sorted function. This tutorial by Learn to Program covers both and explains when to use each. At the end of these last few tutorials, you should be extremely comfortable making and modifying lists in your Python code.


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Programming a website and want to execute a specific action or command more than once? In this first of three parts on functions from Learn To Program's JavaScript series, learn how to create a function, which is a block of reusable code you can call in your html. Practice creating functions that can write a greeting or other message and attaching it to your JavaScript file.


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If statements and else statements truly are a match made in heaven. Like black and white, true and false, or 0 and 1 - if and else statements work together so that when one’s conditions are not met, the other steps in to take over. In this straightforward tutorial by Learn to Program, you will learn how to write your own else statements in Python.


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Don’t think you’re cut out for playing guitar? Think again! Everyone gets frustrated. Even Jimi Hendrix wasn’t a rock god from day one. Check out this lesson for advice on learning how to play guitar and the encouragement to keep doing it. You’ll surely want to continue pickin’ after hearing these words of wisdom. Practice and persist!


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Learning how to pick guitar chords resembles raking leaves: easy does it. Follow along with Your Guitar Sage and discover how to produce an open, whole sound with these basic chord techniques. This lesson covers where to place your fingers, how to arpeggiate in order to hear muted notes, and how to adjust your fingers to obtain a full chord sound.


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Find out how accessible reading music can be. This lesson on how to read tabs will cause you to pick up that old guitar and learn a few new songs. First, you’ll see how the strings are positioned in a tab image and learn to identify fret numbers. Then, learn whether to play notes simultaneously or in a series. Before you know it, you’ll be fluent in guitar tabs.


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