Ammonia is an essential chemical used across many industries worldwide. Beyond its traditional role as a fertilizer, it is also a promising liquid hydrogen carrier and low-carbon fuel that could help ...

This paper proposes an exact method to solve an integer indefinite quadratic bilevel problem with multiple objectives at the upper level, where the objective functions at both levels are a product of ...

The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

The leading approach to the simplex method, a widely used technique for balancing complex logistical constraints, can’t get any better. In 1939, upon arriving late to his statistics course at the ...

The new system extends the Equator range of versatile gauges for shop floor process control, high-speed measurement and quality assurance. WEST DUNDEE, IL, Sept. 22, 2025 – Renishaw, a world leader in ...

A gardening specialist on YouTube shared a concise yet informative method to maximize harvests of homegrown peppers: using companion plants. The YouTube short, posted by the account Big City Gardener ...

A new research partnership between the Department of Energy’s Oak Ridge National Laboratory (ORNL) and manufacturer JuggerBot 3D aims to develop a single 3D printing system for both thermoset and ...

We received a report from a user that dual simplex is producing the wrong sign for lagrange multipliers associated with rows in the form a_i^T x >= b. Internally, these rows are first converted to ...

College of Artificial Intelligence, Tianjin Normal University, Tianjin 300387, China Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, Tianjin Normal University, Tianjin ...

Researchers have developed a dual-layer coating system combining an N-heterocyclic carbene (NHC) monolayer with a crosslinked polymer network (CPN), achieving over 99 % corrosion protection for iron ...