Abstract: When traffic density on urban roads is relatively large, it is difficult for a large number of O-vehicles (O-vehicles) in front of emergency vehicles (E-vehicles) to give way in a short time ...

pyStep is a simple, functional, mathematical and stack-based interpreter written in Python that allows you to perform simple mathematical operations, is the extended Python implementation of the Step ...

Abstract: Limited by manufacturing technology, in moving-base gravity gradiometry, accelerometer mounting errors and mismatch cause a rotating accelerometer gravity gradiometer (RAGG) to be ...

STATEN ISLAND, N.Y. — What is the greatest multiple of 24 that is less than 2,000? While that question might leave ordinary people perplexed, including the several dozen parents on hand, it posed no ...

Early development of literacy and mathematics skills has been shown to be a cornerstone of children's later academic achievement (e.g., Shanahan and Lonigan, 2010; Watts et al., 2014). The roles of ...

Ukrainian mathematician Maryna Viazovska has been named as one of four recipients of the prestigious Fields Medal, which is often described a the Nobel Prize in mathematics. Fields Medals were first ...

Emily Riehl thinks hard about objects that don't exist in the material world yet mysteriously seem to underlie many things that do. These objects have no concrete existence of their own, but they do ...

In 1918, Indian mathematician Srinivas Ramanujan was admitted to the hospital in London, where he was visited by his colleague and long-time friend G H Hardy. The fellow mathematician had arrived in a ...