History repeats its cruelest lessons. In 1955, Claudette Colvin refused to give up her bus seat months before Rosa Parks, but Claudette was 15, unmarried and dark-skinned. Civil rights leaders knew ...

Demand for lithium is skyrocketing as factories across the world churn out electric vehicles and the massive batteries that make wind turbines and solar panels reliable sources of energy.

ABSTRACT: The Precedence Diagram Method (PDM) is widely used for modeling large and complex construction projects characterized by non-linear execution logic, overlapping activities, and multiple ...

One of the recurring themes in this column over the past few years has been the development of new test methods for sandwich composites. This is primarily a result of the opportunities I’ve had to ...

1 Institute of Modern Agricultural Equipment, Xihua University, Chengdu, China 2 Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China Introduction: Tracked agricultural ...

Abstract: Planetary gearboxes are critical components in power transmission systems, and their reliability greatly benefits from an effective fault diagnosis. However, the accurate separation of fault ...

The central bank is poised to lower interest rates again on Wednesday despite having only a partial view of how the economy is faring. By Colby Smith Colby Smith covers the Federal Reserve. The ...

Abstract: This article presents a safety-critical control framework for navigation in complex environments with numerous obstacles. An online robust path planning scheme is developed by integrating ...

The European Union and the U.S. struggle to harmonize their aviation regulations because their rulemaking processes are very different. This is evident as their respective regulators wrestle with how ...

Is Central Asia Still Russia’s Backyard? With significant lithium, copper, cobalt, nickel, zircon, and beryllium deposits, Pakistan’s untapped mineral wealth is estimated to be worth $6 trillion. US ...