Hans-Peter E. Kristiansen

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501 reputation
110
bio website none
location Aarhus, Denmark
age 36
visits member for 1 year, 7 months
seen May 6 at 15:18
stats profile views 76

Stud. Scient. Casual LaTeX user. TikZ newbie.


Dec
15
comment Light vs neutrino speed comparison in a real tunnel
There is_no_way an international collaboration with 200 physicists is hiding anything. I am saying that not because that with so many people someone would leak something, but because in science you do not hide things. One man can be corrupt and hide everything. An international collaboration plays by the rules of established science. You don't just pull their funding because of one man who has not read all the publications.
Dec
15
comment Light vs neutrino speed comparison in a real tunnel
Why do you believe that OPERA is hiding something.
Dec
11
comment Would a generator in vacuum/space provide electricity endlessly?
@AdamRedwine: Lenz's law only gives the direction of the force in Faraday's law.
Dec
3
comment In general what will holding an anti-hydrogen atom for more than a 1/10th of second allow scientists to discover?
@Chad Orzel: Can you find a reference for trapped antihydrogen gravity experiment. I believe that you are mistaken - all gravity experiments needs to be made in flight because of the weakness of gravity compared to the electromagnetic trapping forces.
Nov
30
awarded  Commentator
Nov
30
comment units and nature
Again - I do not care about the scale of the units. It makes no difference. - And setting a unit equal to one does not makes it disappear, it is only done because it makes the notation easier in certain fields of physics.
Nov
30
comment units and nature
I do not arrive at any number - that is what I am asking for. The number five is just the five units from the natural units - length, time, mass, electric charge and temperature.
Nov
28
comment units and nature
Notice that my question is about dimensionallity, and not about the units themselves - I do not care weather they are based on universal physical constants, or man made artifacts.
Nov
28
awarded  Critic
Nov
28
comment units and nature
I think you misunderstood my question. I do not care about the units themselves(e.g. if it is the meter or Planck length unit used for length scale does not matter).
Nov
28
comment units and nature
By the natural unit system, I mean e.g. units for length, time, mass, electric charge, and temperature(or and other linear independent units spanning the same space). en.wikipedia.org/wiki/Natural_units
Nov
28
awarded  Student
Nov
28
asked units and nature
Nov
26
answered Is there any true inertial reference frame in the universe?
Nov
26
comment Is there any true inertial reference frame in the universe?
I do not think that there are any scientists that claims that the earth is an inertial frame. They sure would be bad scientists.
Nov
24
comment Does $E$ really equal $mc^2$?
I do not agree the conversion idea is not idiotic. The fermions( half-integer spin particles) that obey the Fermi–Dirac statistics(and thereby seen as matter) is indeed converted into energy in an annihilation(the word itself also suggest the disappearance of the matter).
Nov
24
comment Has anyone actually “seen” entanglement?
There is nothing wrong with the wiki description. It really tells the same as FrankH, it does_not_suggest that information was send thousands of times faster than the speed of ligth. The effect(which is theoretically instantaneously) was measured experimentally to be at least this speed.
Nov
10
answered Why does it seem like a broken magnet's poles flip?
Oct
26
answered Does $E$ really equal $mc^2$?
Oct
25
comment Clarification of equilibrium expression for upside down can in water
The air pressure will act on all surfaces in all directions, giving a net force of zero. Other forces, and their directions are given from Archimedes law.