Kelsey Jordahl
@kajord
RT @neiltyson: Whenever you give a cross-street, a building floor, and a meeting time, you're handing someone a 4D coordinate in space-time.
7/5/2013, 10:27:38 AM
Favs: 0
Retweets: 0
link← @kajord Twitter archive
Kelsey Jordahl
@kajord
RT @neiltyson: Whenever you give a cross-street, a building floor, and a meeting time, you're handing someone a 4D coordinate in space-time.
7/5/2013, 10:27:38 AM
Favs: 0
Retweets: 0
link