Abstract: Accurate power system observability relies on the optimal phasor measurement unit (PMU) placement to minimize costs while ensuring complete state observability. However, modeling the effect ...

Abstract: Generation scheduling and other types of optimization problems for hydrothermal systems have been studied for more than 60 years. A large number of algorithms and solving strategies have ...

PEOPLE confirms the West Coast burger chain removed '67' from its ticket system about a month ago George Rose/Getty In-N-Out Burger has officially retired the number "67" from its ticket order system, ...

The relentless march of "6-7" has reached Google's search engine, as the tech giant has added an Easter Egg when a user searches for the now ubiquitous piece of internet culture. When "6-7" or "67" ...

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