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Easy crochet ruffle hat tutorial for beginners

Learn how to crochet a beautiful ruffle hat with this easy step-by-step tutorial. Perfect for beginners and experienced crocheters, this project combines style and simplicity to help you create a char ...
C&EN

Progress on Perovskite Materials and Solar Cells with Mixed Cations and Halide Anions

Energy Materials and Surface Sciences Unit (EMSS), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha Onna-son, Okinawa 904-0495, Japan ...