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The vacuum has, implicitly, all of the properties that a particle may have: spin, or polarization in the case of light, energy, and so on. On average, all of these properties cancel out: the vacuum is, after all, "empty" in this sense. One important exception is the vacuum energy or the vacuum expectation value of the energy. The quantization of a simple harmonic oscillator states that the lowest possible energy or zero-point energy that such an oscillator may have is
[E] = \begin[matrix] \frac[1][2] \end[matrix] \hbar \omega \ .
Summing over all possible oscillators at all points in space gives an infinite quantity. To remove this infinity, one may argue that only differences in energy are physically measurable; this argument is the underpinning of the theory of renormalization. In all practical calculations, this is how the infinity is always handled. In a deeper sense, however, renormalization is unsatisfying, and the removal of this infinity presents a challenge in the search for a Theory of Everything. Currently there is no compelling explanation for how this infinity should be treated as essentially zero; a non-zero value is essentially the cosmological constant and any large value causes trouble in cosmology.
There are few instances wherein the Casimir effect can give rise to repulsive forces between uncharged objects. In a seminal paper, Evgeny Lif#z showed (theoretically) that in certain circumstances (most commonly involving liquids), repulsive forces can arise. This has sparked interest in applications of the Casimir effect toward the development of levitating devices.
Originally posted by AlienCarnage
Also take note that before dropping anything from any building that you first have permission from the building owner, and second that you make certain to block off the area so that no by passers will be harmed during the experiment.
"An induced current is always in such a direction as to oppose the motion or change causing it"
Yupp!
Originally posted by wylekat
reply to post by Violater1
Easy! the welded thing will go slower, because of it's SHAPE. What is a rock? Usually, ROUNDED. No matter how rough, a rock is usually of the 'round' category (unless you wanna be a smart alec and split hairs). the contraption you described is anything but round, it has stuff stuck out at angles, and will actually catch the air more than the rock.
Who the heck did you get these ideas from.....?
Originally posted by wylekat
reply to post by Violater1
Easy! the welded thing will go slower, because of it's SHAPE. What is a rock? Usually, ROUNDED. No matter how rough, a rock is usually of the 'round' category (unless you wanna be a smart alec and split hairs). the contraption you described is anything but round, it has stuff stuck out at angles, and will actually catch the air more than the rock.
Who the heck did you get these ideas from.....?
Originally posted by Violater1
reply to post by butcherguy
I believe YouTube has video of Experiment #2, or it is located on other websites.
Both the rock and the magnetic device produce NO Lift!, The drag is also insegnificant.
Please review Newtonian Law. The results will negate the need of a vacuum.
If your concerned about the shape, just make two of these. But use metal washers on the second device.
He placed the device inside a fake rock and took another fake rock with an equivalent mass and dropped them both from a high area in a Lockheed building he worked at.
Originally posted by Bobbox1980
Boyd Bushman is the originator of experiment number 1 and 2.
For experiment number 2 he bolted 2 neodymium magnets together either north pole to north pole or south pole to south pole, I do not know which.
He placed the device inside a fake rock and took another fake rock with an equivalent mass and dropped them both from a high area in a Lockheed building he worked at.
Time after time the rock with the 2 magnets bolted together fell slower than the other rock.
In regards to experiment 1 I do wonder if something more was going on there. I am familiar with the Lenz's law explanation but I find it interesting that Extended Heim Theory posits that a fast moving mass near a strong magnetic field will create artificial gravitational fields.
The McCandlish ARV had an aluminum flywheel just above the large central magnetic solenoid coil.
It's possible that the falling magnet is not moving nearly fast enough and that there are no artificial gravitational fields being created at all and the effect is entirely due to Lenz's law but I do wonder if there was something more to that experiment.
Originally posted by whiterabbit85
air resistance on the first, and even if teh second has nothing to do with resistance, is no one else sick of people mistaking magnetism for anti-gravity? if it falls slower, it's not because it's negating gravitational force, it's because the magnets are pulling or pushing some of the mass in opposite directions. that's not anti-gravity... that's like filling one balloon with water and the other with helium and claiming anti-grav technology in the helium filled balloon.
I'm not a non-believer in ET or FTL travel or even anti-grav technology... but PLEASE stop with all of this magnetism=anti-grav bunk. Until you find a way to make gravitational forces stop applying themselves to something, not just counteracting gravitational forces....