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visits member for 1 year, 7 months
seen Aug 18 at 2:03

Aug
12
accepted Will an electron gun fire behind it?
Aug
12
accepted Can a hydrogen atom sit still?
Jul
30
asked Will an electron gun fire behind it?
Jul
30
asked Can a hydrogen atom sit still?
Jun
12
accepted Current map of galaxies' z's and distances?
Jun
11
comment Current map of galaxies' z's and distances?
I was somewhat expecting the acceleration of expansion to be obvious from a current Hubble diagram. Is that a naive expectation?
Jun
11
asked Current map of galaxies' z's and distances?
Jun
4
asked Factors in predictions for Tolman's Surface Brightness Test?
May
22
awarded  Nice Question
Mar
19
accepted What's the $\ell$ in the Bicep2 paper mean?
Mar
19
asked What's the $\ell$ in the Bicep2 paper mean?
Mar
18
accepted How big of an area of the sky is the BICEP2 survey?
Mar
18
asked How big of an area of the sky is the BICEP2 survey?
Mar
10
comment How many years of expansion occurred during inflation?
So... inflation fast forwards through 990 billion years of expansion?
Mar
6
asked How many years of expansion occurred during inflation?
Jan
25
awarded  Yearling
Jan
9
accepted Does double slit in a vacuum have any effect?
Jan
9
comment Does double slit in a vacuum have any effect?
Is that to say the vacuum will in fact be a little crisper?
Jan
8
comment When was it established light travels forever?
For a photon to make a trip of 46 Bly are we assuming multiple hops from electron to electron count? Or are we assuming a single photon can be exchanged by two electrons separated by 46 Bly?
Jan
8
asked Does double slit in a vacuum have any effect?