Science & Technology19 Videos

How to take a picture of a black hole | Katie Bouman

At the heart of the Milky Way, there’s a supermassive black hole that feeds off a spinning disk of hot gas, sucking up anything that ventures too close — even light. We can’t see it, but its event horizon casts a shadow, and an image of that shadow could help answer some important questions about […]

What’s Next in Science at TED2017?

Watch TED2017 in cinemas to experience the freshest new ideas from Elon Musk, Serena Williams, Atul Gawande and more LIVE from the TED stage. Get tickets here: tedcinema.com.

Denise Herzing: “Dolphin Communication: Cracking the Code” | Talks at Google

Scientists have struggled to understand dolphin vocalizations, but new computer tools to both track dolphins and decode their complex vocalizations are now emerging. Dr. Denise Herzing has been studying Atlantic spotted dolphins, Stenella frontalis, in the Bahamas for over three decades. Her video and acoustic database encompasses a myriad of complex vocalizations and dolphin behavior. […]

Lifelike simulations that make real-life surgery safer | Peter Weinstock

Critical care doctor Peter Weinstock shows how surgical teams are using a blend of Hollywood special effects and 3D printing to create amazingly lifelike reproductions of real patients — so they can practice risky surgeries ahead of time. Think: “Operate twice, cut once.” Glimpse the future of surgery in this forward-thinking talk. The TED Talks […]

Joel Greenblatt: “The Little Book that Beats the Market” | Talks at Google

Joel Greenblatt is a managing partner of Gotham Capital, a hedge fund that he founded in 1985 and Gotham Asset Management, a manager of hedge funds and long/short mutual funds. He is the former Chairman of the Board of Alliant Techsystems, a NYSE listed aerospace and defense company. Since 1996, he has been a professor […]

Adventures of an asteroid hunter | Carrie Nugent

TED Fellow Carrie Nugent is an asteroid hunter — part of a group of scientists working to discover and catalog our oldest and most numerous cosmic neighbors. Why keep an eye out for asteroids? In this short, fact-filled talk, Nugent explains how their awesome impacts have shaped our planet, and how finding them at the […]

Why women should tell the stories of humanity | Jude Kelly

For many centuries (and for many reasons) critically acclaimed creative genius has generally come from a male perspective. As theater director Jude Kelly points out in this passionately reasoned talk, that skew affects how we interpret even non-fictional women’s stories and rights. She thinks there’s a more useful, more inclusive way to look at the […]

How I’m fighting bias in algorithms | Joy Buolamwini

MIT grad student Joy Buolamwini was working with facial analysis software when she noticed a problem: the software didn’t detect her face — because the people who coded the algorithm hadn’t taught it to identify a broad range of skin tones and facial structures. Now she’s on a mission to fight bias in machine learning, […]