Classical Physics

Communication by Analogue Optical Wireless Audio Transmission

Authors: Evan Pacini
Comments: 25 Pages. Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)

Light, sound waves, how they are used to communicate. The advantages and applications of optical wireless communication, when compared to radio. How I designed and built an analogue optical wireless audio transmission system.
Category: Classical Physics

A New Phenomenon: Turbo Self Injection New Edition

Authors: Leonid Kanevskyy
Comments: 17 Pages. The paper contains the introduction and the abstract in English, the rest of the paper - in German

The main factors of this new phenomenon are: A throttling water jet through the throttling opening, diameter 2,45 mm, with the speed 21,2 meter pro second hits at a distance from throttling point 30 mm the dead impact wall. The impact turns instantly the throttling water jet into the circular flow, that is rotating in a vortical manner around the mixing chamber longitudinal axis with the speed of rotation 122 revolutions pro second.(s, the miniature injector LK26M, Charts 5). With sufficient large air intake openings, the increase of the vortex flow speed, the suction pressure of the circular, vortex flow forestall the static pressure increase in the filling in the chamber circular flow, that is directing to the air intake openings, as a result – water run out of air intake openings is impossible and only air is being sucked in the mixing chamber, the circular flow is accelerated and in a fraction of a second stabilized.
Category: Classical Physics

A Hypothesis of Space Debris Removal

Authors: Domenico Oricchio
Comments: 2 Pages.

Satellites with a laser could hit space debris to reduce the debris velocity using the photons impulse, without ablation
Category: Classical Physics

Calculation of Newton’s Gravitational Constant

Authors: Hans Peter Good
Comments: 1 Page.

Newton’s gravitational constant at laboratory scale experiments is numerically calculated using number constants and the fundamental constants hbar (Planck’s quantum of action), c (velocity of light in vacuum) and me (electron mass).
Category: Classical Physics

Light More Light Less Darkness

Authors: Vaggelis Talios
Comments: 4 Pages.

Some of my views on nature and propagation of electromagnetic waves and light, that is radically different from the already established views of Science. The paper was written because I believe that its views will be quite useful in the progress and future development of Theoretical Physics and Cosmology.
Category: Classical Physics

Hidden Transfer of Energy or Information

Authors: Wolfgang Sturm
Comments: 3 Pages.

In the past, I created a beam of destructive interference and proved that it absorbs energy [1]. The energy of the destructive interference is invisible and cannot be measured by any usual photoelectric, thermoelectric or photoacoustic detector [2]. Surprisingly, a rudimentary parametric oscillator is able to destroy the interference and recover the hidden energy. Thus, it is now possible to hide energy or information, transmit it in an invisible and unmeasurable beam, and extract it at any desired place.
Category: Classical Physics

Antena Planetaria Mejorada (Improved Planetary Antenna)

Authors: Carlos Alejandro Chiappini
Comments: 16 Pages.

Este documento describe una antena pequeña que opera en la banda de VHF para radioaficionados, comprendida entre 144 MHz y 148 MHz. Simplemente es una versión mejorada de la Antena Planetaria publicada en un documento anterior. Aunque la forma geométrica recuerda a la antena eggbeater, el modo de funcionamiento es distinto. El diseño de la antena planetaria es el resultado de tener muy en cuenta las leyes físicas referidas al campo D , denominado desplazamiento eléctrico. Eso permite lograr buen comportamiento con un tamaño de 52 mm.

This document describes a small antenna that operates in the VHF band for ham radio, between 144 MHz and 148 MHz. It is simply an improved version of the planetary antenna published in a previous document. Although the geometric shape reminds the Eggbeater antenna, the mode of operation is different. The design of the planetary antenna is the result of taking into account the physical laws referring to D field, called electrical displacement. This allows achieving good behavior with a size of 52 mm.
Category: Classical Physics

A New Theory on the Derivation of Metacentric Radius Governing the Stability of Ships

Authors: Tsutomu Hori, Manami Hori
Comments: 17 Pages, 3 Figures, 39 Equations, 39 References, 3 Appendices.
Published in the Bulletin of Nagasaki Institute of Applied Science in Japan, 2022 (June), Vol.62, No.1, Research Notes in Mathematical and Physical Science, pp.51~67.

In this paper, we develop a new theory on the derivation of the transverse metacentric radius which governs the stability of ships. As a new development in its derivation process, it was shown that the direction of movement of the center of buoyancy due to lateral inclination of ship is the direction of the half angle of the heel angle. By finding it, we were able to derive a metacentric radius worthy of its name by showing that the metacentric radius correctly represents the radius centered on the metacenter, which is the center of inclination.
Category: Classical Physics