On 2012-01-12 16:51, Alain Sepeda wrote:
is it new? (maybe is it alzheimer for me?)
Not really. It first appeared on the internal NASA document search engine a few months ago, but got soon removed after it went popular due to coverage by 22passi blog (through suggestion by Francesco Celani). Then a few weeks ago it reappeared as a downloadable PDF in the page above.
Cheers, S.A.
