Pixels (short for "picture elements") are everywhere. But there are pixels, and then there are pixels. Some you encounter on TV screens, computers screens and smartphone screens. (You're looking at pixels right now.) Such pixels display light. In cameras, however, pixels record light. Until now, pixels could do one or the other. But researchers at ETH Zurich have developed an all-new type of pixel that can both capture images and display them. The technology could pave the way for camera-display devices that both display images and sense incoming light. Screens that double up as cameras could be packed into future gadgets.

  The big news from the Whitney Biennial this week is that Pat Oleszko, the 79-year-old performance artist who repeatedly crashed the Macy’s Thanksgiving Parade in the ‘70s, has taken home the 2026 Bucksbaum Award. This comes as a surprise to many in the media, who note that the award of $100,000 has generally served to elevate mid-career names—or sometimes a newly minted breakthrough artist. This year the jury unanimously voted to celebrate a half-century ...