PopTech Videos: PopCasts

Computer scientist Luis von Ahn’s programs harness the human brainpower to solve complex problems. von Ahn invented ReCaptcha, a program that uses squiggly characters that humans easily decipher but blocks spambots – and helps digitize millions of old texts. The CMU professor also makes games that use human knowledge to improve computers. Find them at gwap.com.

Cellist Zoë Keating uses a cello and a small box of electronics to create a one-woman avant-garde orchestra. A former member of the cello-rock trio Rasputina, Keating has played live on radio and television, in the Nevada desert, in medieval churches, punk clubs, and in venues across North America and Europe.

Cellist Zoë Keating uses a cello and a small box of electronics to create a one-woman avant-garde orchestra. A former member of the cello-rock trio Rasputina, Keating has played live on radio and television, in the Nevada desert, in medieval churches, punk clubs, and in venues across North America and Europe.

Shortly after posting self-styled videos on You Tube, singer songwriter Zee Avi woke up to 3,000 emails one morning. One offered her a recording contract with Brushfire Records. Since then, Avi left her home in Kuala Lumpur for Los Angeles. Avi performs melodic, melancholy songs tinged with irrepressible optimism. mp3s: 1, 2, 3, 4

John Forté is an accomplished musician and producer who recently released StyleFREE the EP, his first album since serving seven years in federal prison. Forte’s career was interrupted by a 14-year sentence for a first-time non-violent drug offense; Former President Bush commuted his sentence in 2008. mp3s: 1, 2, 3, 4

Architect Laura Kurgan is the Co-Director of the Spatial Information Design Lab at Columbia University. Kurgan visualizes complex political and social data to advocate for social reform. One project, “Million Dollar Blocks”, shows how the government spends more than one million dollars to incarcerate prisoners who live within a single census block.

Architect Laura Kurgan is the Co-Director of the Spatial Information Design Lab at Columbia University. Kurgan visualizes complex political and social data to advocate for social reform. One project, “Million Dollar Blocks”, shows how the government spends more than one million dollars to incarcerate prisoners who live within a single census block.

MIT Professor Dan Nocera believes he can solve the world’s energy problems with an Olympic-sized pool of water. Nocera and his research team have identified a simple technique for powering the Earth inexpensively—by using the sun to split water and store energy—and thus making the large-scale deployment of personalized solar energy possible.

Ph.D. candidate Nicole Kuepper has been passionate about solar energy since she received a toy solar-powered car for her 8th birthday. Kuepper has recently patented a simple low-temperature process for printing low-cost solar cells that could make solar energy affordable across the developing world.

Ashley Merryman has co-authored numerous articles about parenthood. Over the past two years, she and journalist Po Bronson have collaborated on an award-winning series of articles in New York Magazine. Their most recent work, a book titled NurtureShock, explores cutting edge research that challenges many familiar myths about how to best parent kids.

The co-founder and co-director of Big Picture Learning, Dennis Littky believes that cookie-cutter teaching fails too many students. So Littky works to make alternative, non-standardized curriculums the new standard. Big Picture now has more than 70 schools nationwide.

According to Steve Barr, the fastest way to fix education in America would be to make private schools illegal. As the founder of Green Dot Public Schools, Barr is devoted to improving public education in blighted cities. His efforts have transformed high schools across Los Angeles into charter schools that send nearly 80% of students to college.

Hailed by The Australian as the country’s best modern dance company, choreographer Gideon Obarzanek’s Chunky Move dazzles audiences with its use of site-specific installations and interactive sound and light technologies. Obarzanek’s avant-garde performances explore the tensions between the rational world we live in and richness of our imagination.

First inspired by the mysterious and mathematical qualities of a caterpillar’s crawl, artist Reuben Margolin creates large-scale kinetic sculptures that use pulleys and motors to create the complex movements and structures we see in nature. Margolin takes to the PopTech stage to share some of his extraordinary mechanical installations.

Architect Neri Oxman is the founder of MATERIALECOLOGY, an interdisciplinary design initiative expanding the boundaries of computational form-generation and material engineering. One of Fast Company’s “100 Most Creative People in Business,” Oxman investigates nature’s material and performance, to define form itself.