# Collected Papers: Volume IX by H. A. Lorentz (auth.)

By H. A. Lorentz (auth.)

**Read or Download Collected Papers: Volume IX PDF**

**Best relativity books**

Everything's long gone screwy at Tagai Academy. whilst the headmaster forces Minagi's complete type to check Einstein's idea of relativity over summer season tuition, Minagi volunteers to head of their position. There's only one challenge: He's by no means even heard of relativity ahead of! fortunately, Minagi has the plucky leave out Uraga to educate him.

**General relativity: an Einstein centenary survey**

Whilst this publication was once initially released in 1979, the power of Einstein's normal conception and its influence on different branches of technological know-how had by no means been larger. The unparalleled advances of the former fifteen years were prompted at the observational aspect by means of advancements in radar and house know-how and via the invention of unique astronomical items, which pointed to the lifestyles of very robust gravitational fields, and probably black holes, in lots of elements of the universe.

**Special Relativity and Quantum Theory: A Collection of Papers on the Poincaré Group**

Designated relativity and quantum mechanics tend to stay the 2 most vital languages in physics for a few years to come back. The underlying language for either disciplines is workforce conception. Eugene P. Wigner's 1939 paper at the Unitary Representations of the Inhomogeneous Lorentz crew laid the basis for unifying the options and algorithms of quantum mechanics and certain relativity.

Conférence faite â l. a. Société Française des Électriciens

**Extra resources for Collected Papers: Volume IX**

**Sample text**

The first detailed investigation which we possess on molecular forces, was concerned with liquids. We have already seen how BORELLI imagined the formation of drops and the rise of water in capillary tubes to take place, but this does not really deserve the name of an explanation. This was only obtained, when LAPLACE subjected in his "Mecanique celeste" the attractive forces between liquid molecules to a mathematical treatment. It turned out, then, that one was able to explain all phenomena, occurring in this field, by the assumption that the mutual attraction of two molecules is appreciable only at very small distances and that the same is true of the attraction, experienced by the liquid particles from a solid wall.

We understand then that one cannot but establish equations, by means of which for every moment the position and the velocity of the falling stone can be calculated. This purpose can be attained by means of different equations and one of these determines the changes which the velocity of the stone continually experiences. In order, now, to express this equation in words, one can term one of the quantities, occurring in it, "force", and one is led so to the statement, that a constant "force", directed towards the centre of the earth, acts on the stone.

14 DE MOLECULAIRE THEORIEN IN DE NATUURKUNDE Dit is in zooverre te betreuren, als men juist alleen in die onderstelling de vraagstukken, die ik U zooeven opnoemde, voldoende heeft opgelost. Wanneer de moleculen anders op elkaar werken dan volgens de onderstelling van MAXWELL, heeft men van verschijnselen als de inwendige wrijving slechts eene benaderde, geene volkomen strenge theorie gegeven 7). Het is zeer te hopen, dat spoedig deze moeilijkheid worde overwonnen, daar men dan misschien iets meer over de onderlinge werking der deeltjes van een gas zal te weten komen.