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comment Is there a definite boundary between a powder and a fluid?
Fullerene is a crystallic solid: chemistry.about.com/od/periodictableelements/ig/… How do u know that the grains consist of single molecules?
May
16
awarded  Popular Question
May
10
comment Is there a definite boundary between a powder and a fluid?
@adziggy at what stage angle of repose disappears? Is it real to grind the powder so fine that it loses angle of repose?
May
10
revised Is there a definite boundary between a powder and a fluid?
added 152 characters in body
May
10
asked Is there a definite boundary between a powder and a fluid?
May
10
asked Why do some impact craters have an elevation in the center?
Apr
1
comment Quantum entanglement and spooky action at a distance
Bohm mechanics fulfills local realism.
Apr
1
comment Can Hubble red shift be interpreted as time dilation?
@user23660from the point of view of a given observer, can any object cross the horizon in finite time?
Mar
22
answered Are different interpretations of quantum mechanics empirically distinguishable?
Mar
1
awarded  Revival
Feb
25
revised Are universally valid possibilistic theories possible?
deleted 233 characters in body
Feb
25
comment Are universally valid possibilistic theories possible?
@ACuriousMind look into the linked papers. Particularly, homepages.fhv.at/tb/cms/?download=tbPHILSC.pdf and philsci-archive.pitt.edu/950/1/Exo-theories.pdf
Feb
25
awarded  Promoter
Feb
25
revised Are universally valid possibilistic theories possible?
added 239 characters in body
Feb
23
comment Time in a perfect vacuum?
I think this questiobn asks whether vacuum states are time-dependent.
Feb
19
awarded  Announcer
Jan
24
accepted How long will a light bulb work isf the glass shell removed?
Jan
23
asked How long will a light bulb work isf the glass shell removed?
Jan
10
awarded  Yearling
Jan
10
accepted The cap on massive particles's speed is below the speed of light due to Planck length?