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If space-time is like a liquid—a concept some physicists say could help resolve a confounding disagreement between two dominant theories in physics—it must be a very special liquid indeed. A recent study compared astrophysical observations with predictions based on the notion of fluid space-time, and found the idea only works if space-time is incredibly smooth and freely flowing—in other words, a superfluid.
originally posted by: Raggedyman
What happened to string theory, is the string now a liquid string
An unknown substance that brings a balance to the Galaxy, an unknown force
Just make some stuff up, nobody can prove you wrong
Space time does not strike me as fluid, whales and fish swim in fluids
What if space-time were a kind of fluid? This is the question tackled by theoretical physicists working on quantum gravity by creating models attempting to reconcile gravity and quantum mechanics. Some of these models predict that space-time at the Planck scale is no longer continuous – as held by classical physics – but discrete in nature. Just like the solids or fluids we come into contact with every day, which can be seen as made up of atoms and molecules when observed at sufficient resolution. A structure of this kind generally implies, at very high energies, violations of Einstein’s special relativity (a integral part of general relativity).
www.sciencedaily.com...
originally posted by: Raggedyman
What happened to string theory, is the string now a liquid string
An unknown substance that brings a balance to the Galaxy, an unknown force
Space time does not strike me as fluid, whales and fish swim in fluids
aquarium (n.) Look up aquarium at Dictionary.com
1830, noun use of neuter of Latin aquarius "pertaining to water," as a noun, "water-carrier," genitive of aqua "water" (from PIE root *akwa- "water"). The word existed in Latin, but there it meant "drinking place for cattle." Originally especially for an artificial pond growing aquatic plants. An earlier attempt at a name for "fish tank" was marine vivarium.
originally posted by: Raggedyman
What happened to string theory, is the string now a liquid string
An unknown substance that brings a balance to the Galaxy, an unknown force
Just make some stuff up, nobody can prove you wrong
Space time does not strike me as fluid, whales and fish swim in fluids
The Higgs field is an energy field that is thought to exist everywhere in the universe. The field is accompanied by a fundamental particle called the Higgs boson, which the field uses to continuously interact with other particles. As particles pass through the field they are "given" mass and, similar to an object passing through treacle (or molasses), will become slower, and cannot travel at the speed of light because they have mass.
Mass itself is not generated by the Higgs field: the creation of matter or energy would conflict with the laws of conservation. However, mass is "given" to particles from the Higgs field via the Higgs bosons, which contain the relative mass in the form of energy. Once the field has endowed a formerly massless particle the particle slows down because it has become heavier.
If the Higgs field did not exist, particles would not have the mass required to attract one another, and would float around freely at light speed. Also gravity would not exist because mass would not be there to attract other mass.
The process of giving a particle mass is known as the Higgs effect. This effect will transfer mass or energy to any particle that passes through it. Light that passes through it gains energy, not mass, because it is a wave.
Although Lord Kelvin goes on to suggest that these electrions interact with an inverse square law of force, he doesn’t appear to suggest that this fluid is dielectric. In a sub note at the end of his article, he does however acknowledge the inverse cube law of force that would ensue in the vicinity of an electric dipole, but in this case he seems to be talking about atoms of ponderable matter. Whatever, Lord Kelvin was not far off the idea that space is densely packed with electrons and positrons.
In 1930, Paul Dirac postulated the “Dirac Sea” as a model of the vacuum. The Dirac sea was not intended to be the medium for the propagation of light, but nevertheless, no matter what the intentions were, or however cryptically the concept was explained, it invoked the idea that electron-positron pairs could somehow be produced as a result of some underlying physical mechanism within the vacuum.