Direct lithium extraction from spent batteries for efficient lithium recycling

[ The traditional hydrometallurgical method for recycling metals from spent lithium-ion battery cathode materials involves complex processes such as metal leaching, precipitation, separation, and purification. An improved recycling approach involves directly chemically extracting active lithium from lithium-graphite anodes at room temperature. Credit: Science China Press Recently, the research findings of Professor Xie’s group (Huazhong University … Read more

Starship rocket debris is now being traded online

[ A flourishing new business is emerging on the Internet involving the resale of tiles from the heat shield of SpaceX’s Starship launcher, several models of which have exploded after lift-off. The tiles are reportedly selling for several thousand dollars. While the first two Starship launches resulted in explosions occurring moments after lift-off, the third … Read more

How to train AI when you don’t have enough data

[ Shown on the left is an image of a baby with a 2D “stick figure” created using a set of detected keypoints. On the right is the stick figure model of the baby’s 3D pose. The red stick figure shows the “ground truth” and the blue stick figure is the 3D pose estimated with … Read more

What the Apple Antitrust Suit Means for the Future of Messaging

[ Michael Calore: Is it granular, like salt, like a seasoning? Andrew Couts: Yes. It’s like the most finely ground sea salt with various herbs and some other spices. I don’t know exactly what’s in it. Unlike my wife, I don’t read Italian. Whatever’s in the ingredients list is still a mystery to me, but … Read more