Earth’s ‘wobble’ means your zodiac sign may be wrong

January 15, 2011

A Minnesota astronomer confirms what many have suspected: Your horoscope is quite possibly wrong.

Earth’s shifts on its axis over the past 3,000 years have changed the 12 zodiac signs. For example, think your sign is Aquarius? You may be a Pisces. (There’s also a 13th sign, Ophiuchus, that’s based on a constellation the ancient Babylonians threw out for symmetry thousands of years ago.)

So who’s to blame for this scam on zodiac devotees?

The ancient Babylonians based the zodiac on which constellation the sun appeared to be in when a person was born. Since then, the moon’s has exerted a gravitation pull on Earth, causing a “wobble” on its axis that has shifted the stars’ alignment by about a month, the Minneapolis Star-Tribune reports.

“Because of this change in the tilt, the Earth is over here and the sun is in a different constellation than it was 3,000 years ago when this study of the stars began,” astronomer Parke Kunkle told the Twin Cities’ KARE-TV.

The shift isn’t new, Kunkle says — the zodiac world just hasn’t taken the wobble into account.

Here’s your new sign below:

Capricorn: Jan. 20-Feb. 16
Aquarius: Feb. 16-March 11
Pisces: March 11-April 18
Aries: April 18-May 13
Taurus: May 13-June 21
Gemini: June 21-July 20
Cancer: July 20-Aug. 10
Leo: Aug. 10-Sept. 16
Virgo: Sept. 16-Oct. 30
Libra: Oct. 30-Nov. 23
Scorpio: Nov. 23-Nov. 29
Ophiuchus: Nov. 29-Dec. 17
Sagittarius: Dec. 17-Jan. 20

 

Source:  http://news.yahoo.com/s/yblog_thelookout/20110113/us_yblog_thelookout/earths-wobble-means-your-zodiac-sign-may-be-wrong

Stacks

December 5, 2010

In computer science, a stack is a last in, first out (LIFO) abstract data type and data structure. A stack can have any abstract data type as an element, but is characterized by only two fundamental operations: push and pop. The push operation adds an item to the top of the stack, hiding any items already on the stack, or initializing the stack if it is empty. The pop operation removes an item from the top of the stack, and returns this value to the caller. A pop either reveals previously concealed items, or results in an empty stack.

A stack is a restricted data structure, because only a small number of operations are performed on it. The nature of the pop and push operations also means that stack elements have a natural order. Elements are removed from the stack in the reverse order to the order of their addition: therefore, the lower elements are typically those that have been on the stack the longest

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