U.S. Treasury Secretary Bessent said world leaders must make decisions; action on Iran will begin today.

A University of Southampton-led international team says it achieved the first room-temperature self-synchronization of multiple micro‑lasers, producing a coherent, reconfigurable light source. Researchers say the result, published in Nature Communications, uses mature materials and could provide a pathway to lower-cost, reconfigurable and more widely deployable photonic computing hardware.

Iran’s Persian Gulf Strait Administration (PGSA) said on social media that vessels breaching its transit arrangements for the Strait of Hormuz may face penalties including restricted passage, fines, detention or confiscation. The PGSA, a newly established agency to manage the strait, told shipowners to consult an updated list of non-compliant vessels when planning Persian Gulf sailings.