207 reputation
215
bio website math.stackexchange.com/users/…
location Champaign, IL
age 36
visits member for 3 years, 10 months
seen 10 hours ago

Amateur mathematician, professional software engineer. Interested in all kinds of math, becoming a better mathematician, and helping others do the same.

email: jdb1729 (at) gmail.com

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May
21
comment Atomic mass of Copper-63?
Apparently the "2" value. See the comments by JoulesBurn and RockyMtnGuy at the article I linked to. theoildrum.com/node/7942
May
21
comment Atomic mass of Copper-63?
I am also interested in the reference trail of the incorrect number.
May
21
revised Atomic mass of Copper-63?
add tags
May
21
comment Atomic mass of Copper-63?
I am hoping the question can be answered with a reference to an original source.
May
21
comment Atomic mass of Copper-63?
google.com/search?q=%2262.939598%22 has 169 results and google.com/search?q=%2262.929598%22 has 48 results. Disturbingly, Cu-63 is also referenced by 3 of the 7 results at google.com/search?q=%2262.919598%22!
May
21
revised Atomic mass of Copper-63?
reformat without parens, add link to previous question
May
21
revised Atomic mass of Copper-63?
add cold-fusion tag again and explain reason for including it
May
21
asked Atomic mass of Copper-63?
Mar
31
revised Can a water bubble be frozen into ice bubble?
fix parens
Mar
31
answered Can a water bubble be frozen into ice bubble?
Mar
25
revised Iodine-131 half-life and reality
fix link
Mar
25
revised Iodine-131 half-life and reality
don't bring up finance
Mar
25
revised Iodine-131 half-life and reality
double negative to express caveat
Mar
25
revised Iodine-131 half-life and reality
remove spurious "only"
Mar
25
revised Iodine-131 half-life and reality
fix only placement
Mar
25
revised Iodine-131 half-life and reality
what questions are being answered
Mar
25
revised Iodine-131 half-life and reality
added 143 characters in body
Mar
25
revised Iodine-131 half-life and reality
more readable sentence
Mar
25
revised Iodine-131 half-life and reality
fix link
Mar
25
revised Iodine-131 half-life and reality
typo