Astronotes Armagh Planetarium's Stellar Blog! ... Justin Quinnell explains the wonders of pinhole photography (Image credit: Sinead McNicholl Armagh Planetarium) . ... The cans were sponsored by Red Bull (Image credit: Sinead McNicholl Armagh Planetarium) . ... The principal of pinhole photography (image credit: Wikipedia) . ... The first person to take a photograph using pinhole technology (Image credit: Wikipedia) . ... That?s really an amazing blog about the beauty of pinhole photography. ...

... Join editors from Astronomy and Discover magazines for a weekly Celestron-sponsored Google Hangout and go in-depth into each episode of Cosmos: A SpaceTime Odyssey . ... After you watch the latest episode of Cosmos: A SpaceTime Odyssey , be sure to tune in to the Cosmos Rewind Google Hangout with Astronomy and Discover magazine staff members. ... Previous COSMOS Rewind Google Hangouts . ... return to this Web page, Astronomy.com/COSMOS, where a live video will appear when each event starts, or . ...

... April 1992 The MD5 Message-Digest Algorithm Status of this Memo This memo provides information for the Internet community. ... combination): -sstring - digests string -t - runs time trial -x - runs test script filename - digests file (none) - digests standard input */ int main (argc, argv) int argc; Rivest [Page 17] RFC 1321 MD5 Message-Digest Algorithm April 1992 char *argv[]; { int i; if (argc 1) for (i = 1; i argc; i++) if (argv[i][0] == '-' argv[i][1] == 's') MDString (argv ...