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Jan
25
comment Nuclear accident near Uranium mine
Hypothesis in second link says the moon is originated from a geo-reactor explosion .
Jan
25
comment Nuclear accident near Uranium mine
No, I did not hear. I was just watching how many nuclear tests done on youtube then I saw some of the underground ones that inflated the ground. I just wondered if any of those hundreds of tests ever happened near a mine such that they expect x energy yield but suddenly they got 10x yield. Or is there a slightest possibility of not detecting isotopes 1km under surface.
Dec
16
comment Experiment dropping electrons into glass of protons
Charging a metal? Electrons are said to be in a "sea" of electrons. Maybe you cant track the dropped electrons but surely they will spread randomly. What about plasma? They are more free maybe?
Dec
11
comment Why we can only perceive 3 dimensions
But time can be another dimension. It can flow fast or slow. That means, we pacmans can move on a paper that is elastic so some parts of paper will be harder to travel while some parts are quicker. (stretched parts will be slow to travel on, compressed parts will be fast to travel on) Also if you stretch the paper on X dimension, only X-travel will be slow eror faster than before.
Dec
11
comment Why we can only perceive 3 dimensions
Lets assume we are pacmans on a paper. We see only two dimensions (like X and y). Z is unreachable. If you could tear the paper and glue it to another paper, we pacmans could travel to that another paper (another dimension, Z=Z+1 => new paper => new universe)
Dec
7
comment Why does the conductivity $\sigma$ decrease with the temperature $T$ in a semi-conductor?
Yes, Im wrong about 20K part as it cannot be that low.Im sorry. What about irregularities between metal and semiconductor caused by doping?
Dec
7
comment Why does the conductivity $\sigma$ decrease with the temperature $T$ in a semi-conductor?
Maybe the "more free electron" part is somewhere near 20K? Maybe it is a single-crystal so the direction of flow is important? Maybe 4-point-method or whatever method you use for I/V characteristic measurement has some flaws such that contact points generate reverse-effect(s)?
Aug
7
comment Magnetic Levitation For Space Travel
Inject nano-particles encapsulated with a body-friendly layer of gel layer. Choose ferro-magnetic nano-particles so when enough are in body, an external magnetic field can apply nearly-uniform force to all body. Not just surface. All volume (except brain, the gel should not stick to brain tissue, but all other tissues especially bones.) Note: dont try at home.
Aug
5
comment Fourier transformation, electric field and magnetic field to have a shielding lattice against particles
Anyway, narrow gaussian is ok for now. Thanks. +100
Aug
5
comment Fourier transformation, electric field and magnetic field to have a shielding lattice against particles
Can you do same for a dirac-delta ?
Aug
5
comment Fourier transformation, electric field and magnetic field to have a shielding lattice against particles
Okay thanks, will award in 59 minutes.
Aug
5
comment Fourier transformation, electric field and magnetic field to have a shielding lattice against particles
Then just 20-30 generators would be better than %0.1 error.
Aug
5
comment Fourier transformation, electric field and magnetic field to have a shielding lattice against particles
So ten different wave generator arrrays(or matrices) are enough for less than %1 error?
Aug
5
comment Why does a glass breaks when subject to very sharp sound like in opera?
What about avalanche? Ice breaks at more lower frequencies. Is that resonance too? Because the ice block is much bigger than a glass?
Aug
4
comment Fourier transformation, electric field and magnetic field to have a shielding lattice against particles
Maybe focusing through a real thin lattice possible?
Aug
4
comment Fourier transformation, electric field and magnetic field to have a shielding lattice against particles
No answer yet? :(
Jul
1
comment Why is quantum mechanics based on probability theory?
If you measure something, you have changed it.
Jul
1
comment Why is quantum mechanics based on probability theory?
Electron tunelling has a probability and this leads to quantum physics because tunneling has an option like passing through a barrier that is impossible for classical mechanics.
Jul
1
comment Concentrating Sunlight to initiate fusion reaction
These are just to for pressure requirements. To heat to 100M Kelvins, you need at least several million times of this.
Jul
1
comment Concentrating Sunlight to initiate fusion reaction
Also it is not needed to be continuous beam, that if you can accumulate somehow, only a few cm² could do. Lasers are better.