TED Tech Folgen

Stretching over roughly nine million square kilometers and with sands reaching temperatures of up to 80° Celsius, the Sahara Desert receives about 22 million terawatt hours of energy from the Sun every year. That's well over 100 times more energy than humanity consumes annually. So, could covering the desert with solar panels solve our energy problems? Dan Kwartler digs into the possibility. [Directed by Christoph Sarow, AIM Creative Studios, narrated by Jack Cutmore-Scott, music by André Aires].

From Siri to Alexa to Google, virtual assistants already permeate our lives. What will the next generation of these digital helpers look and sound like? Customer experience professional Karen Lellouche Tordjman gives us a glimpse of where they're headed -- and breaks down the two key challenges engineers need to crack in order to usher in a new age of truly smart voice assistants.

Will innovation in artificial intelligence drastically improve our lives, or destroy humanity as we know it? From the unintended consequences we've suffered from platforms like Facebook and YouTube to the danger of creating technology we can't control, it's easy to see why people are afraid of a world powered by AI. But in this interview, OpenAI CEO Sam Altman makes a case for AI's potential to make the future better for all of us—and explains how his company is leading that charge with an unusual new business model. This is an episode of The TED Interview, another podcast in the TED Audio Collective. For More episodes, find and follow The TED Interview wherever you're listening to this.