Streaming media gives us access to everything instantly — but at what cost? Music professor Tom Rizzuto traces the history of physical media — from CDs and vinyl to bone music (Soviet-era records pressed onto discarded X-rays) and the near-loss of “Nosferatu” — making the case that art shouldn’t just live in the cloud. (Recorded at TEDxMolloy University on ebruary 28, 2026)

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What would it take to build a democracy that works for everyone? Communications strategist Sally Kohn and entrepreneur Jeff Maurer discuss the systems they think need rebuilding — and what people will need to truly thrive within them. They debate whether politicians should face a wealth limit, what success should mean for those in office and whether the next generation will have more opportunities than the last.

Idea Knock Down features experts with different perspectives taking on big questions — one block at a time. Made possible with the support Visit Philadelphia.

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