Josephson junction structures—quantum devices made of two superconductors and a thin non-superconducting barrier—using different forms of germanium (Ge):…
by Birgit Kinkeldey, Zentrum für angewandte Raumfahrttechnologie und Mikrogravitation (ZARM) Expansion of the universe. Credit: Christian Pfeifer (AI-assisted)…
The combined, background-subtracted gamma-ray lightcurve of GRBÂ 250702B. Credit: arXiv (2025). DOI: 10.48550/arxiv.2509.22792 On July 2, 2025, NASA’s Fermi…