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Increasing diversity in conference speaker programmes. Terahertz matters. Discharging excitons: fast and at will: Condensed matter physics. Ultra-low-noise terahertz sources: Terahertz photonics. Attosecond X-ray laser vision: High-energy photon sources. Scrutinizing liquid molecules: Attosecond metrology. Two in one: Integrated nanophotonics. Switching it up: Organic light-emitting diodes. Optical computing and artificial intelligence: View from... SPIE Optics + Photonics. Terawatt-attosecond hard X-ray free-electron laser at high repetition rate. Terabit-scale high-fidelity diamond data storage. Single-chip photonic deep neural network with forward-only training. Time crystals for photonics and timetronics Optical biosensors towards the clinic Small tunable X-ray sources may have large impact Light–matter interactions driven by lasers at highest intensities Twisted topological light illuminates molecular chirality Photon-trapping detector Refractive index engineering makes skin transparent Fundamental scaling laws of water-window X-rays from free-electron-driven van der Waals structures A technology friendly photon condensate. Dressing with visible light. Diamond colour centre enables an atomic optical antenna. Revealing the unseeable by digital clearing. Laser nanoprinting of metals. Low-coherence light enhances photonic computing. Photonic solutions help fight climate crisis Dual-comb wonders Shrinking time-domain spectroscopy to atomic dimensions Vibrational imaging goes deeper and finer An all-silicon solution Chiral nonlinear optical inheritance Micro-optics enables directional thermal displays Plasmonics commercialized? Joseph A. Izatt (1962–2024) Extreme nonlinear excitonic interactions Driven by feedback, unlimited by diffraction A leap to highly efficient 2D quantum emitters Efficient infrared imaging Quantum entanglement measures Earth’s rotation Nanoprinting under macro lens Prospects for free-electron lasers powered by plasma-wakefield-accelerated beams All-optical temporal logic gates in localized exciton polaritons Fast and furious X-ray free-electron lasers. Fast free-electron laser targets the future Electrochemistry meets Photophysics for single-molecule localization. Bright terahertz electron gun opens new opportunities. Optical frequency comb for multi-sensors. The X-ray science frontier is ultra-short and ultra-intense. Simple yet powerful.