Scientific American

Mathematicians found out why waiting for the elevator takes forever

If you’ve ever spent any length of time in a tall building—either because you live or work in one—you probably know this ...

World's largest collection of Olympiad-level math problems now available to everyone

Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most ...

Frightening elevator malfunctions at Queens high-rise scare tenants: "It's a ticking time bomb"

Recurring elevator problems are back and worse than ever at one New York City high-rise, according to tenants.
Ancient Origins

The Great Pyramid Algorithm: New Study Proposes Integrated Edge Ramps

A new computational study suggests the Great Pyramid of Giza was built using a sophisticated "Integrated Edge-Ramp" (IER) system, potentially solving a 4,500-year-old architectural enigma. This model ...

Nuclear waste is a ‘problem from hell.’ California should keep banning new reactors | Opinion

On April 6, California lawmakers killed a bill that would have permitted small nuclear fission power plants — AKA ...
IEEE

A Co-Evolution Algorithm With Dueling Reinforcement Learning Mechanism for the Energy-Aware Distributed Heterogeneous Flexible Flow-Shop Scheduling Problem

Abstract: The production process of steelmaking continuous casting (SCC) is a typical heterogeneous distributed manufacturing system. The scheduling problem in heterogeneous distributed manufacturing ...
IEEE

Fully Tensorized GPU-Accelerated Multi-Population Evolutionary Algorithm for Constrained Multiobjective Optimization Problems

Abstract: Real-world constrained multiobjective optimization problems (CMOPs) are prevalent and often come with stringent time-sensitive requirements. However, most contemporary constrained ...