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Arduino® Prototyping
What do punch-activated flamethrowers, automatic pet feeders, and mind-controlled drones have in common? They’re all real devices built and programmed using Arduino® microprocessors. This open-source ...
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- LIVE
- CTY-Level
- Science and Engineering
Backyard Habitats
What creatures live around you, and how can you tell? How does gardening or mowing the lawn affect local animals and plants? What happens to bathtub water after it goes down the drain? Explore your ...
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- LIVE
- CTY-Level
- History and Social Science
Behavioral Economics
Why is it so hard to hail a cab in the rain in New York City? Why do some people pay for annual gym memberships when they would save on a pay-as-you go basis? Integrate ideas from the social sciences ...
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- LIVE
- CTY-Level
- History and Social Science
Bioethics in the Age of Pandemics
With the emergence of COVID-19, ethical issues in medicine have never been more pronounced in our social consciousness. Explore salient issues such as rationing scarce resources, making shutdown ...
- LIVE
- CTY-Level
- Science and Engineering
Catching the Criminal
Print evidence can place suspects at a crime scene, identify missing persons, and exonerate the innocent. Begin with an overview of the history of print evidence, focusing on fingerprints, footprints ...
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- LIVE
- CTY-Level
- Science and Engineering
Coasters and Corkscrews: Amusement Park Physics
Have you ever wondered why you slide into your friend when you're on the Tilt-A-Whirl, or why you don't fly out of a rollercoaster even when you're traveling upside down? Examine the physics of our ...
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- LIVE
- CTY-Level
- History and Social Science
Color of Law
Stories of discrimination capture headlines in America daily, reflecting how the promise of equal protection under the law is still unrealized for people of color. The United States is far from alone ...
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- LIVE
- CTY-Level
- Science and Engineering
Diagnosis: Be the Doctor
Doctors often have to make quick decisions based on their knowledge, experience, and a short list of symptoms—it’s not so easy to always get it right, and lives are often on the line. Drawing upon ...
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- LIVE
- CTY-Level
- Mathematics
Disease Modeling
When the threat of pandemic looms, all eyes turn to the experts. Each outbreak is unique and raises different concerns; in providing answers, infectious diseases specialists rely on data and accurate ...
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- LIVE
- CTY-Level
- Science and Engineering
Engineering Design
Engineering design is a rich, sometimes chaotic blend of concerns: aesthetic, financial, material, theoretical, environmental, and practical. Explore elements of design theory while responding to a ...
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- LIVE
- CTY-Level
- Language Arts
Fantasy Worldbuilding
What draws audiences into the settings of their favorite fantasy worlds? What makes these otherwise mythical places feel like real locations in readers’ minds? In this course, we’ll use applications ...
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- LIVE
- CTY-Level
- Mathematics
Game Design
What counts as a game? What are games made of? How are successful games designed and built? Read theory that orients you to how games work, why people play them, and what makes a good game. Play ...
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- LIVE
- CTY-Level
- Mathematics
Game of Life: The Theory of Strategic Behavior
How do individuals interact? How do they cooperate, compete, and respond to incentives? All involve strategic behavior, the purview of the economic theory of games. Study game theory through ...
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- LIVE
- CTY-Level
- Mathematics
Geometric and Spatial Reasoning
Geometric and spatial reasoning skills are essential for living in and making sense of the world around us. Everything from solving a jigsaw puzzle to arranging furniture to efficiently packing a bag ...
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- LIVE
- CTY-Level
- Science and Engineering
Grossology
The human body is an amazing but sometimes gross thing. From the blood inside us to the gas that comes out, each slimy, gunky, or smelly part has a vital role to play in keeping us healthy. Why do we ...
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- LIVE
- CTY-Level
- Language Arts
Imagination Workshop
Imaginative writing is a powerful tool. As authors, our written pieces can make someone laugh, change their mind, or even help them better understand the world. How can you do this in just a page, a ...
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- LIVE
- CTY-Level
- History and Social Science
Making the Case: Effective Legal Arguments
Objection, your Honor! Overruled! Guilty beyond a reasonable doubt! These are the phrases that lawyers and judges battle with in our favorite courtroom dramas. They speak to the argumentation at the ...
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- LIVE
- CTY-Level
- Mathematics
Mathematical Proofs
Reasoning, logic, and critical thinking are the building blocks of intellectual inquiry. Focus on developing these skills through problem-solving and exposure to a wide range of topics in mathematics ...
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- LIVE
- CTY-Level
- Mathematics
Mathematics of Pixar
Learn how digital artists animate the mouth of a Toy Story character by manipulating a single point on a polygon, or how combinations are applied to turn three unique robot designs into 3,000 ...
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- LIVE
- CTY-Level
- Science and Engineering
Mean Genes!
Has anyone ever told you that you have your mother’s eyes? Or your father’s nose? Or even your great aunt’s hair? Whether they know it or not, they are talking about your genes. Your genetic makeup ...
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- LIVE
- CTY-Level
- Science and Engineering
Microbiology
SARS-CoV-2, the virus that causes COVID-19, is about 100nm in size but has caused a global pandemic. How can something so small cause so much damage? Explore different types of viruses and bacteria ...
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- LIVE
- CTY-Level
- Computer Science and Technology
Mission to Mars: Robotics in Space
Sojourner, Spirit, and Opportunity—robots sent by NASA to explore Mars—each outlasted their missions but were ultimately bested by the planet’s harsh conditions. Sojourner lost its base station ...
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- LIVE
- CTY-Level
- History and Social Science
Model UN: Institutions and Global Health
How we behave under stress often gives a rare, unfiltered glimpse into how we think and act, but what about our institutions? Examine the UN—specifically, the World Health Organization (WHO)—by ...
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- LIVE
- CTY-Level
- Mathematics
Modern Cryptography
In the age of digital surveillance, apps boasting end-to-end encryption such as WhatsApp and Telegram have flourished. What are these tools, and how do they work? How have developments in modern ...
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- LIVE
- CTY-Level
- Science and Engineering
Polymers to the Rescue!
What do your T-shirt, water bottle, and DNA have in common? They’re all made of chemical units called monomers, which combine to form polymers. To make the world a better place, scientists regularly ...
- LIVE
- CTY-Level
- Mathematics
Problem Solving Strategies
Develop strategies for solving a wide variety of word problems using resources from Ken Johnson and Ted Herr’s Problem Solving Strategies: Crossing the River with Dogs and Other Mathematical ...
No upcoming classes
- LIVE
- CTY-Level
- Science and Engineering
Project Mars
You and your classmates take on the role of intrepid interplanetary explorers, designing a space probe, learning about the complexity of landing an exploration vehicle, and planning a Martian colony ...
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- LIVE
- CTY-Level
- History and Social Science
Satire, Comedy, and Politics
As forms of cultural and political expression, satire and comedy are important tools for exposing uncomfortable truths about powerful individuals and institutions that might otherwise seem untouchable ...
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- LIVE
- CTY-Level
- Language Arts
Scare Tactics: Elements of Fear in Literature and Film
When Lon Chaney's mask first came off in the silent-film version of The Phantom of the Opera, some viewers were reportedly so frightened by the actor's ghoulish makeup that they fainted in the theater ...
- LIVE
- CTY-Level
- Science and Engineering
Science in a Bucket
What can a bucket of water or lounging beneath a shade tree teach you about science? Archimedes discovered the principle of buoyancy in a bathtub, and Newton allegedly discovered gravity while sitting ...
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- LIVE
- CTY-Level
- Science and Engineering
Science with a Chance of Meatballs
Books often ask you to dream up imaginary worlds, but important science concepts lie behind the words and pictures. Analyze the science woven through Judi and Ronald Barrett’s Cloudy with a Chance of ...
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- LIVE
- CTY-Level
- Mathematics
Statistical Reasoning in Sports
In football, does the home team really have an advantage? Does dribbling the basketball before shooting a free throw increase the odds of scoring? Where should a goalie stand to block the most penalty ...
No upcoming classes
- LIVE
- CTY-Level
- Mathematics
Survey of Cryptography
Surveil the world of cryptography, the science of secret-keeping. From passing notes in class to keeping online banking transactions secure, the need for confidential communication has been present ...
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- LIVE
- CTY-Level
- Mathematics
Taking a Chance: Mathematics of Game Shows
Step right up and try your hand at solving some of the world’s classic math conundrums! We have options galore: Plinko, Golden Balls, Deal or No Deal, and many more. Pull the curtain back on the ...
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- LIVE
- CTY-Level
- History and Social Science
The Constitution in Crisis
What rights would you give up in order to feel safe? What safety would you give up to protect your rights? How does a democratic republic, with rights reserved for both the federal and state ...
- LIVE
- CTY-Level
- Mathematics
The Mathematics of Volatile Markets
What does it mean when bubbles burst, stock markets crash, and hyperinflation takes off? How do these major economic events affect businesses and individuals around the world? Focus on the boom-bust ...
No upcoming classes
- LIVE
- CTY-Level
- History and Social Science
The Power & Pitfalls of Eyewitness Testimony
Eyewitness testimony is often viewed as one of the most powerful forms of evidence in a legal case, but human memory is complicated.
No upcoming classes
- LIVE
- CTY-Level
- History and Social Science
The Psychology of Memory
Why are some things easier to remember than others? Why do people have vastly different memories of the same event? Why do most people remember Darth Vader saying, “Luke, I am your father,” when what ...
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- LIVE
- CTY-Level
- Language Arts
Through the Lens
When you look at a photograph, what do you see? You find photographs everywhere—in journalism, art, family albums, and social media. What stories do they tell? Explore the ways that photographs can ...
- LIVE
- CTY-Level
- Science and Engineering
Unquiet Minds
Nearly one in six people globally has a neurological disorder. Despite how common they are and how effective treatment can be, neurological disorders are often misunderstood and marginalized. Explore ...
No upcoming classes
- LIVE
- CTY-Level
- Language Arts
Whodunit?: The Art of Crafting Mystery Stories
For generations, great mysteries have captivated readers with compelling characters and suspenseful storytelling punctuated by intriguing, unconventional sleuths like Eve Titus’s Basil of Baker Street ...
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- LIVE
- CTY-Level
- Language Arts
Worldbuilding
Fictional worlds often stick with us even longer than the stories that are set within them. They can be havens or nightmares, futuristic glimpses of what our world could be, or looking-glass critiques ...
No upcoming classes