Steel Dynamics, Inc., together with its subsidiaries, operates as a steel producer and metal recycler in the United States. It operates through four segments: Steel Operations, Metals Recycling ...

Molecular dynamics is a method that uses Newton’s equations of motion to computationally simulate the time evolution of a set of interacting atoms. Such techniques are dependent on a description of ...

A 16-story pyramid towers over the rainforest that covers the remains of the ancient Maya city of Calakmul in Mexico. Calakmul was the capital city of the Kaanul, or Snake, Dynasty from the ...