Atomism Atomism is a doctrine that has a long history in both philosophy and science. For this reason it is not easy to define its content in such a way as to comprehend all the historical variations and especially the historical development of the...

In natural philosophy, atomism is the theory that all the objects in the universe are composed of very small, indestructible building blocks - atoms. Or, stated in other words, that all of reality is made of indivisible basic building blocks. The word...

A.Q. Khan, the scientist who became a national hero for developing Pakistan's atomic bomb and went on to sell nuclear secrets abroad, can leave house arrest to meet with friends and relatives, officials said Monday.In his first public statement in years, Khan told The Associated...

Israel is looking to a U.S.-India nuclear deal to expand its own ties to suppliers, quietly lobbying for an exemption to non-proliferation rules so it can legally import atomic material, according to documents made available Tuesday to The Associated Press.The move is sure to raise...

Revolutionary ideas require great concentration to form and particular care to spread.Those skills helped physics pioneer Niels Bohr redefine how we look at the world.His Nobel Prize-winning theories helped people understand quantum mechanics and atomic structure. Those concepts leapt from his unbreakable concentration. When pondering...

Intelligence officials reported increased activity Tuesday around North Korea's main nuclear reactor, indicating the country may be preparing to uphold its agreement to shut down the plant.North Korea missed last Saturday's deadline for shuttering the reactor because of a dispute over $25 million in North...