Abstract: It was usually considered in power systems that power flow equations had multiple solutions and all the eigenvalues of Jacobian matrix at the high-voltage operable solution should have ...

The Powerball jackpot climbed to an estimated $1.6 billion — the game's fourth-largest prize ever —after another drawing passed Saturday night without a winner. The winning numbers were 4, 5, 28, 52 ...

Long before humans carved numbers into clay tablets or scratched equations onto stone, people in the ancient Near East were already dividing space, counting patterns, and thinking in mathematical ...

Finding evidence of ancient mathematics isn’t easy outside of written records, but a new study suggests that floral pottery from the Halafian culture of northern Mesopotamia shows evidence of geometry ...

Think math is just about numbers and equations? Think again. According to a review analyzing 49 studies with 37,654 participants, reading comprehension has a significantly strong effect on students' ...

Over 8,000 years ago, early farming communities in northern Mesopotamia were already thinking mathematically—long before numbers were written down. By closely studying Halafian pottery, researchers ...

The winning numbers for an estimated $1 billion Powerball jackpot — the seventh-largest in the lottery game's history — were announced Saturday night. They are 1, 28, 31, 57 and 58, with a Powerball ...

A sharp rise in students entering the University of California system without middle school-level math skills is raising alarms among educators. A new internal report from the University of California ...

During an announcement from the Oval Office in late August, Donald Trump went on a temper tantrum over a poll showing 19% of people were in support of his police takeover of Washington, D.C. Trump ...

Abstract: In this letter, we present a new negative coupling structure applicable to a substrate-integrated waveguide (SIW) resonator filter structure. Unlike conventional negative coupling structure, ...

You may have heard kids say "six, seven". We unpack what's behind the latest slang making waves in playgrounds and online. The number 67 has been causing a commotion among kids lately. Try saying it ...

Math teacher Cara Bearden braces herself for any equation that yields the two numbers, knowing her students will immediately scream them right back at her. “SIX Sevennnnnn,” they squeal with a ...