Top Tech 2026

This Year for our annual January Top Tech issue, we're bringing you stories about a clutch of cool under-the-radar innovations that you've probably never heard of—but if they're successful, you'll be hearing much more about them. Case in point: One of the faster growing forms of energy storage is a carbon-dioxide-filled inflatable dome. Expect to see these storage bubbles popping up soon around the globe. Meanwhile, data centers are facing a communications bottleneck that only radio can solve. In health care, the failings of GLP-1 weight-loss drugs can be fixed with a new device that targets a part of the body many people can't even name. Read on to get the lowdown on these intriguing ideas and more.