The Download: Extracting lithium, and what we still don’t know about Sora

On a bright afternoon in August, the shore of Utah’s Great Salt Lake looks like something out of a science fiction film set in a scorching alien world.

This otherworldly scene is the test site for a company called Lilac Solutions, which is developing a technology it says will shake up the United States’ efforts to pry control over the global supply of lithium, the so-called “white gold” needed for electric vehicles and batteries, away from China.

The startup is in a race to commercialize a new, less environmentally-damaging way to extract lithium from rocks. If everything pans out, it could significantly increase domestic supply at a crucial moment for the nation’s lithium extraction industry. Read the full story.

—Alexander C. Kaufman

The three big unanswered questions about Sora

Last week OpenAI released Sora, a TikTok-style app that presents an endless feed of exclusively AI-generated videos, each up to 10 seconds long. The app allows you to create a “cameo” of yourself—a hyperrealistic avatar that mimics your appearance and voice—and insert other peoples’ cameos into your own videos (depending on what permissions they set). 

In the days since, it soared to the top spot on Apple’s US App Store. But its explosive growth raises a bunch of questions: can its popularity last? Can OpenAI afford it? And how soon until we start seeing lawsuits over its use of copyrighted content? Here’s what we’ve learned so far.

This story originally appeared in The Algorithm, our weekly newsletter about the latest in AI. To get stories like this in your inbox first, sign up here.

—James O’Donnell