Optimal Solid Space Tower

Optimum Drift Velocity for Single Molecule Fluorescence Bursts in Micro/Nano-Fluidic Channels

Orbit precession and orbital period shortening in close binary systems

Orbital period derivative of a binary system using an exact orbital energy equation

Orbital stability and the quantum atomic spectrum from Stochastic Electrodynamics

Order In Chaos: Definite Rules That Govern The Drift Of Moon Away From The Earth

Order in the mass spectrum of elementary particles

Order Lambda**3 Parameterization of Neutrino (e,muon, tau, tau(prime)) Flavor Oscillations in a Simplified SM4 Model and Associated VCKM, VMNS, and VBIMAX Matrixes

Orientation-averaged pair correlations in a molecular theory of nematic liquid crystals

Origin of Life

Origin of Mass. Mass and Mass-Energy Equation from Classical-Mechanics Solution

Origin of the pearl necklace of SN1987A

Orthodox quantization of Einstein's gravity: might its unrenormalizability be technically fathomable and physically innocuous?

Oscillation of a rigid rod in the special relativity

Oscillator Models for the Universe and Dark Energy

Oscillator strengths and electron collisional excitation cross sections for atomic oxygen

Oscillator strengths for in-shell (Delta n = 0) dipole transitions in Li- and Be-like sulfur

Oscillator strengths for the beryllium isoelectronic sequence

Oscillator strengths for the magnesium isoelectronic sequence

Oscillatory Universe, dark energy equation of state and general relativity