Not exact matches
In advancing these theories they disregard factors universally admitted by all scientists — that in the initial period of the «birth» of the universe, conditions of temperature, atmospheric pressure, radioactivity, and a host of other catalytic factors were totally different than those existing presently, including the fact that we don't know how single
atoms or their components would bind and consolidate, which involved totally unknown processes and variables,
as single
atoms behave far differently than conglomerations of
atoms.
In the physical universe, even something
as huge
as the sun is made up of tiny
atoms, which is why it
behaves the same way they do.
Still other researchers hope to use Bose - Einstein condensates — clouds of cold
atoms that
behave as a single quantum wave — to reach tight limits.
«When you have a tiny particle that's 10, 20 or 50
atoms across, does it still
behave the same way
as larger particles, or grains?
To most physicists, it is little more than a convenient way of calculating how quantum systems such
as atoms should
behave.
Robert Wegeng of the Pacific Northwest National Laboratory in Richland, Washington, says silver may
behave as a volatile on the moon, with
atoms evaporating and condensing onto the surface until they get stuck in a cold spot.
Silicon - 28 is not magnetic so the
atoms had almost no effect on the magnetic moment, or nuclear spin, of the phosphorus, meaning that these
atoms behaved as though they were in a vacuum.
Fashioning individual molecules
atom by
atom could allow researchers to study atomic collisions in the most controlled environment possible,
as well
as to observe how molecules
behave in isolation.
Things such
as tables or rocks or cows are made of so many gazillions of
atoms that they don't
behave in unpredictable ways.
At such temperatures, the
atoms are tightly packed and
behave as a single, fluid quantum object and so can be easily manipulated.
But when Danish physicist Niels Bohr showed that the electrons in
atoms, too, must
behave as quanta to account for observations, Einstein made a conceptual leap that troubled him even more.
Graphene, a one -
atom - thick carbon sheet, has taken the world of physics by storm — in part, because its electrons
behave as massless particles.
As a result, these
atoms behave like little bar magnets.
Cool helium
atoms close to absolute zero and they start
behaving as a single quantum object rather than a group of individual
atoms.
For instance, galaxies and galactic clusters
behave as if they were far more massive than would be expected if they comprised only
atoms and molecules, spinning faster than their observable mass would explain.
Although at these temperatures the
atoms behave as waves and follow the rules of quantum mechanics, they still conserve an intrinsic property of a gas: they expand in the absence of container.
This behavior of helium is of great interest because electrons in a superconductor also
behave as a superfluid, flowing without resistance from the
atoms in the conductor.
Currently, the universe we live in obeys two seemingly incompatible laws — quantum mechanics, which governs the behavior of subatomic particles; and relativity, which describes how clumps of
atoms, such
as humans, stars and galaxies,
behave.