Allmendinger, T. (2025) A Planar Atom Model of Helium Based on Well-Defined Electron Trajectories. Journal of Applied ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

In 1905, Einstein established relativity under the condition of denying the absolute space-time valid in Newtonian mechanics. In those days, the quantum theory was also established by accepting De ...