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Lab for Playful Computation reimagining computer science for kids

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Posted December 7, 2017

If you think computer science education is just learning to write code, think again.

At University of Colorado Boulder’s ATLAS Institute, researchers in The Laboratory for Playful Computation (LPC) have developed technology that enables middle-school students to quickly create networks, connect devices, invent apps and design wearable technology.

Girl with headphones on smiles behind her computer.

No previous programming or hardware experience required.

“We’ve developed the first tools specifically designed to empower youth to create and experiment with networked technologies,” says Ben Shapiro, LPC director and an ATLAS affiliate professor. “We’re reimagining the tools and skills learned in computer science education to match the computer science of today.”

To explain, Shapiro points to Alexa, Amazon’s intelligent personal assistant: In order to control lights, thermostats, garage doors and  sprinklers with voice commands, Amazon’s data center communicates with the device’s online interface, and a message is transmitted to the device in your home.

“These types of interconnected devices are an integral part of young people’s lives,” Shapiro says.  “We’re developing tools that help students understand how they work and to literally invent new technologies.”

The central component in the toolkit is BlockyTalky, a programming environment designed to make it easy for novice programmers to make interactive, networked physical computing devices and software systems. Kids as young as 10 have used it to rapidly build a wide range of projects, from medication dispensers for grandparents to computer music systems.

Originally focused on physical computing via the Raspberry PI, Shapiro and graduate student Kari Santos, have extended MIT’s App Inventor—a free, intuitive programming environment that allows the uninitiated to build smartphone apps—and the BBC micro:bit, a credit card-sized microprocessor laden with sensors to be part of the BlockyTalky ecosystem.

Girl holds bride and groom made from plastic and styrofoam cups for bodies and colorful pipe cleaners for hair.

Connecting these technologies makes it possible for kids to create apps that connect to devices they can wear, bury inside toys, and even attach to their pets.

For Kari Santos, being part of the BlockyTalky team is helping her pursue her passion of teaching middle school girls electronics and coding and see them turn ideas into reality in a matter of hours. During her five-day Girls on Fire coding camp at ATLAS in July, Santos, an Information and Communication Technology for Development (ICTD) graduate student with 25 years of software engineering experience, saw one team create a mobile app that controls LEDs on a dog collar via Bluetooth using voice commands. The system also tracks the dog’s steps, and the lights flash when the dog jumps.

The two girls who designed the app were ages 10 and 13.

Girls in a second camp created a “wedding party” out of colorful pipe cleaners, felt and styrofoam cups, and with the help of micro:bits and BlockyTalky, three girls wrote code so their cell phones could control LED wedding lights, a cat’s wagging tail and music for the ceremony.

“By designing technologies and programming different devices to talk to each other, these girls developed a sophisticated understanding of how networked technologies function,” says Santos. “People often talk about ‘the cloud’ without really understanding what it is. Now that they get it, they’ll always think differently about their digital environment.”

Source: University of Colorado Boulder

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