Pity the science students who can't just learn about Newtonian laws of physics and falling objects. No, there's also the small-scale world of quantum physics where atoms can exist in two states at once, or remain connected across millions of light years. But researchers may have found relief in a potentially groundbreaking experiment that could demonstrate quantum mechanics in large objects. It's not just for atoms!
Quantum mechanics operates in a bizarro world that includes superposition, where atoms can maintain more than one state at a time. Matter can also become entangled so that it remains connected across vast distances -- a ghostly phenomenon dubbed "spooky action at a distance" by Albert Einstein.
"It'd be weird to think of ordinary matter behaving in a quantum way, but there's no reason it shouldn't," said Keith Schwab, a physicist at Caltech who collaborated on the study that appeared in the journal Nature. "If single particles are quantum mechanical, then collections of particles should also be quantum mechanical. And if that's not the case -- if the quantum mechanical behavior breaks down -- that means there's some kind of new physics going on that we don't understand."
The Caltech researchers wanted to see if objects larger than atoms could reflect such freaky physics. They built two nanoscale devices, including a tiny aluminum bridge that consists of 10 billion atoms and weighs 40 billionths of a milligram. The other device is a superconductor "qubit" which can exist in just two energy states, a ground state and an excited state.
Applying an electrical current to the bridge made it vibrate from side to side, and also made the nearby qubit jump between the two energy states. The overlapping electric fields from both objects allowed the researchers to see if they could figure out the energy state of the qubit from the bridge's vibrations, as helpfully explained by Seed Magazine. The readings of the bridge confirmed the hunch by reflecting the energy state of the qubit.
The next step involves flipping the experiment and trying to spot the bridge's energy state from looking at the qubit readings. Accomplishing such a feat would make the bridge the largest object yet to reflect quantum mechanics. And that's when things get crazy, because the researchers plan to go on and examine whether the bridge exists in two places at once.
There's only one thing to do in this situation -- grab your gun and bring in the cat.
[via Seed Magazine]
Wouldn't this mean the cat's already dead?
Does that mean we're all already dead?
I hate quantum mechanics...
quantum mechanics is too confusing so i dont give a crap.
No, it means the cat is both alive and dead at the same time :)
Im a dogperson..
i think that quantum macanics has a lot to do with the string thery as i understand it
the way their talking about it it also seems to have a lot in common with the teory of alternet dimensions
i think taht the string theiry and the alternet dimension theary are closly related to the bending of the time space continume caused by black holes
so my solution is to get to know more about the median to figure out about the outlieing factors
My personal philosophy reflects the belief that the simplest answer is most often the greatest answer. That being said, perhaps there is a very simple explanation for the diverging theories of Classical Physics and Quantum Mechanics. While it is very easy to demonstrate the more basic forces/properties of Classical Physics(Gravity, action/reaction,etc..)the difficulty lies in the recognition of the more advanced Quantum forces/properties(atomic forces, entanglement,etc..)in a Classical experiment. Perhaps the cause of this is simply size and number of interactions. My hypothesis is that once a compound object reaches a particular number of particles, the sheer number of Quantum forces/properties that are displayed in each particle and with it's approximate neighbors, will typically total a natural null. Such Quantum forces as the strong and weak forces would be the easiest to look over in a Classical experiment due to their small measurable field of effect. Forces such as the electromagnetic force and gravity have measurable effects for greater distances and are much more likely to have a similar effect on many particles in proximity and in relative distance. Perhaps this is why it is so difficult to witness, measure, and manipulate Quantum forces on the grander scale of Classical Physics experimentation.
I can be at home AND at work at the same time. This stuff just blows my mind. Telecommuting proves quantum mechanics on large things, like people. My science is flawless.
I'm with "APOK011" on this one. I don't believe there is disconnect between the two Physics'. I think Classical Physical Properties are simply a chorus of Quantum Properties of their repective constituent quantum particles. What would seem like a "chorus" of physical properties at the quantum scale, simply "sound" likea single "mono-tone" property on a classcal physics scale. All that's left is to describe, scientifically, how each and every one of those quantum properties interact to form the whole.
Complicated is what we call something we don't understand.
Quantum physics have a different set of natural laws than standard physics. Which is odd to us because they act differently then what we have grown up learning. So it's not that it in its self is confusing, it just doesn't run with common logic.
You people are soooo three dimensional. The cat remains in its prior state until observation, even if this means that the change happens in the past as a result of a present action. The time dimension has two directions: past and future. We don't usually think of changing the past, but it happens constantly in what might be referred to as quantum retro-causality. When we pair this with our knowledge of the observer effect, it makes sense that observation itself is what determines which of a matrix of possible outcomes is actualized and that this trumps the prevailing feeling of travel towards a future direction within time. When we expand our definition of reality to include higher dimensions, by analogy, we might visualize how a thread poking through a piece of paper can rotate clockwise, and that when split, both pieces of the string will continue to rotate in complementary directions, no matter how far they are separated on the paper, just as "spooky action at a distance" is due to the manipulation of items originating in and stationary in relation to a higher fifth dimension. The same holds true for the cat. Because our "cogito" is of extra-dimensional origin, its observations will supersede the prevailing tendancy of objects in our fourth dimension to follow a Newtonian model of order.
I think science gets way to complicated with quantum physics.It is simpler than scientists let on. The reason a particle can appear to exist in more than one state is that what some call an interdimesionnal event is really a fundamental property of what we already to be time.
Since only 3D matter can exist where time exists we can only observe matter in this way. However; matter when it absorbs the time component becomes and becomes invisible (it exists in an unknown 4 dimensional state-probably a pure energy state)(this may be dark energy) and impossible for us to measure. When the dimension time is released from the matter it is once again transformed into 3D matter with an external time component. It does this with a vibrational energy related to the type matter that is transformed. Thus the string theory is a plauable explaination of how matter/energy and time interact and what looks like 2 states of matter at the same time actually is the process of matter vibrating between two states(high and low) of matter in which we can only measure the two 3D states which we can see. This being done with the time component absorbed (in a four dimesional state) each state appears to be existing at the same instant from our only reference point(3D).
Umm. Time doesn't exist. When Einstein was imagining his model of a bus driving away from a clock tower faster then the speed of light, he imagined the clock at different times depending on what time the light left the tower. This is true light travels at a constant and there is a delay according to distance. We can see this effect with stars. But. Consider this, it takes light eight minutes to reach earth from the sun (correct me if that time is inaccurate). So if the sun where to explode we would not be destroyed for eight minutes.
(sun) - - - -light_______(earth)
(sun)________light- - - - (earth)
sun now dust___________earth cooked
The sun exploded at 8:00. Just because it takes time for it to get here doesn't mean we exist eight minutes in the future.
See where I'm going with this?
There is no past only evidence, and there is no future only predictions.
Quote from article: "if the quantum mechanical behavior breaks down -- that means there's some kind of new physics going on that we don't understand."
Here's that "new physics" that they "don't understand": http://waynewirs.com/hdi/
But it you'd rather just watch the Quantum Entanglement Solution: http://www.youtube.com/watch?v=SbTuFFr61Qk