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Hubble's law

(Encyclopedia)Hubble's law, in astronomy, statement that the distances between galaxies (see galaxy) or clusters of galaxies are continuously increasing and that therefore the universe is expanding. Hubble's law ...

Henry's law

(Encyclopedia)Henry's law, chemical law stating that the amount of a gas that dissolves in a liquid is proportional to the partial pressure of the gas over the liquid, provided no chemical reaction takes place betw...

Hooke's law

(Encyclopedia)Hooke's law: see elasticity.

Gresham's law

(Encyclopedia)Gresham's law: see under Gresham, Sir Thomas. ...

Grimm's law

(Encyclopedia)Grimm's law, principle of relationships in Indo-European languages, first formulated by Jakob Grimm in 1822 and a continuing subject of interest and investigation to 20th-century linguists. It shows t...

Joule's law

(Encyclopedia)Joule's law: see thermoelectricity. ...

Megan's law

(Encyclopedia)Megan's law, in the United States, a state or federal statute that requires the notification of public organizations and private citizens when a convicted sex offender has been released from prison an...

associative law

(Encyclopedia)associative law, in mathematics, law holding that for a given operation combining three quantities, two at a time, the initial pairing is arbitrary; e.g., using the operation of addition, the numbers ...

military law

(Encyclopedia)military law, system of rules established for the government of persons in the armed forces. In most countries the legislature establishes the code of military law. It is distinguished from both marti...

Moore's Law

(Encyclopedia)Moore's Law, a projection of semiconductor manufacturing trends made by Gordon E. Moore, cofounder of the Intel Corp., in a 1965 magazine article. He observed that the number of transistors per square...