May 2012
6 posts
2 tags
The coolest video of yesterday's annular solar...
jkottke: Cory Poole made this video of the annular solar ecplise yesterday using 700 photographs from a telescope with “a very narrow bandpass allowing you to see the chromosphere and not the much brighter photosphere below it.” Cory says: “The filter only allows light that is created when hydrogen atoms go from the 2nd excited state to the 1st excited state.” Very cool.
May 22nd
10 notes
1 tag
May 21st
2 tags
May 19th
172 notes
“When a great orator makes a great speech you are listening to ten centuries and...”
– Letters of Note: The bulk of all human utterances is plagiarism
May 12th
1 note
2 tags
May 4th
7,107 notes
1 tag
May 3rd