Every three years, more than 30 million Hindu worshippers gather for the Kumbh Mela in India, the world's largest religious gathering, in order to wash away their sins. With massive crowds descending on small cities and towns, stampedes inevitably happen, and in 2003, 39 people were killed during the festival. In 2014, then 15-year-old Nilay Kulkarni decided to put his skills as a self-taught programmer to use by building a tech solution to help prevent stampedes. Learn more about his invention -- and how it helped the 2015 Nashik Kumbh Mela have zero stampedes and casualties.

A life-saving invention that prevents human stampedes | Nilay Kulkarni

From the construction of virtual realities to the internet of things—technology is changing our world every day. But how can we make sure that the quickly-evolving role that tech plays in our lives is one that builds, empowers, and connects us? Host Sherrell Dorsey guides you through the latest ideas from TED Speakers, uncovering the riveting questions that sit at the intersection of technology, society, science, design, business, and innovation. Listen in every Friday.

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Is cybercrime getting easier? Cybersecurity expert Ryan Pullen dives into his work investigating massive digital breaches and testing security blindspots — which led to him gaining access to the software controls of a well-known building in London. Learn more about how cybercriminals exploit human vulnerabilities and hear the latest on how to recognize and protect yourself from scams.

How clicking a single link can cost millions | Ryan Pullen

Is AI about to change everything? Whether you’re optimistic, pessimistic, or somewhere in between about the power of artificial intelligence, join host Bilawal Sidhu and the world's leading experts, artists, journalists, and beyond, as they guide you through this fast-moving world on TED’s latest podcast, The TED AI Show. Find The TED AI Show wherever you get your podcasts.

The TED AI Show: Coming May 21st

A game-changing solution to the global food crisis could come from something so tiny you can't see it with the naked eye. Nanomaterials chemist Christy Haynes describes her team's work designing nanoparticles that could protect plants from disease and crop loss, helping farmers reap abundant harvests and grow food that will make its way to markets and dinner tables. After the talk, Sherrell shares thoughts on the possibilities of precision agriculture.

Can nanoparticles help fight hunger? | Christy L. Haynes

What if you could own more clothes without crowding your closet or growing your carbon footprint? Introducing the dematerialized future of your wardrobe, digital fashion entrepreneur Karinna Grant talks about the brands selling pixelated clothes via NFTs and augmented reality — and explores the creative and sustainable potential of fashion that transcends physical constraints.

What's the point of digital fashion? | Karinna Grant

Researcher Jim Fan presents the next grand challenge in the quest for AI: the "foundation agent," which would seamlessly operate across both the virtual and physical worlds. He explains how this technology could fundamentally change our lives — permeating everything from video games and metaverses to drones and humanoid robots — and explores how a single model could master skills across these different realities.

A life-saving invention that prevents human stampedes | Nilay Kulkarni

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