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Structure of A15 lanthanum superhydride La4H23 (center), superconducting fluctuations in it (left), and phase diagram of La4H23 in strong magnetic fields (right). Credit: Dmitrii Semenok Researchers from Skoltech, Jilin University and Beijing HPSTAR in China, and their German colleagues have synthesized and studied a new type of hydrogen-rich superconductor. Technically referred to as an A15-type
Credit: The Seismic Record (2024). DOI: 10.1785/0320230049 Strange seismic wave arrivals from a 2010 earthquake under Spain were the clues that led to an unexpected discovery beneath the western Mediterranean: a subducted oceanic slab that has completely overturned. The waveforms paint a picture of a slab that descended rapidly into the Earth’s mantle and flipped
Astronomers have nicknamed the stars “old smokers” Nearing the end of their life, they sit quietly for long periods of time, barely noticeable, before suddenly puffing out a cloud of smoke. A mysterious new type of star nicknamed “old smoker” has been discovered hiding in the heart of our Milky Way galaxy, astronomers revealed on