30 (thirty) is the natural number following 29 and preceding 31. Contents. [hide]. 1 In mathematics; 2 In science. 2.1 Astronomy. 3 In other fields; 4 History and literature; 5 Sports; 6 Music; 7 References. In mathematics. Thirty is the sum of the first four squares, which makes it a square pyramidal number.
–30– has been traditionally used by journalists in North America to indicate the end of a story. It is commonly found at the end of a press release. There are many theories about how the usage came into being, e.g. from that number's use in the 92 Code of telegraphic shorthand to signify the end of a transmission in the ...
As featured in the New York Times bestselling book, The Whole30.
30/30 - You have never experienced a timer app quite like this! Simple. Attractive. Useful. Available now in the App Store! For iOS (iPhone, iPad, iPod touch).
The Pen and The Piano Tour. An Acoustic Evening w/ Andrew McMahon in the Wilderness & Friends · Featuring Allen Stone, Zac Clark, and Bob Oxblood (of Jack's Mannequin). Thu 26 Apr. Doors: 6:30 pm. /event/1604745-acoustic- evening-andrew-washington/ ...
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Seizing the moment of a personalized digital revolution.
Inventing the future from the atom up.
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