A team of engineers at NASA is developing a silvery sheet of fabric that uses the pressure of sunlight to move through space without using a single drop of fuel. It’s a scientific project that could enable unrestricted space travel. Meanwhile, in more Earthly news, Zoom’s head of product walked us through a massive makeover of the video conferencing service—the first since the beginning of the pandemic—designed to improve the experience for millions of users by adding more customization and selective screen sharing.