The Big Bang theory ... flat geometry, and perhaps even the current acceleration of the expansion of the universe, and does ...

Lockheed Martin’s “Multi-Axis No-Tail Aircraft”—was a bold idea: skip the vertical and horizontal tails, enlarge the wing, ...

These chapters are intact with minor additions. Discovery of Electron, Proton, and Neutron, atomic number, isotopes, and isobars. Thomson's model and its limitations. Rutherford's model and its ...