Astronomers have uncovered two extraordinary cosmic structures that are challenging long-held assumptions about the nature of ...
Researchers from the Xinjiang Astronomical Observatory of the Chinese Academy of Sciences have developed a hybrid deep ...
Materials scientists can learn a lot about a sample material by shooting lasers at it. With nonlinear optical microscopy—a ...
Solar Flare, X-ray Flux, Ionosphere, HF Propagation, Sudden Ionospheric Disturbance, Broadcast Transmitters Share and Cite: ...
Dipartimento di Fisica, Sapienza Università di Roma and INFN, Sezione di Roma I, P.le Aldo Moro 2, I-00185 Rome, Italy Dipartimento di Scienze Fisiche e Chimiche, Università dell’Aquila, V. Vetoio 10, ...