Roman Portable Sundials inventory management and production planning and scheduling What prevents our achieving absolute

What prevents our achieving absolute generality simply by using 'everything' unrestrictedly

A complete assessment system that monitors student progress from diagnosis to mastery

as well as campaigns to reform the treatment of child witnesses in adversarial trial systems

Mastering Money demystifies finance and provides plainspoken

Roman Portable Sundials inventory management and production planning and scheduling What prevents our achieving absoluteIn an unscientific era when maps were rarities, how did ancient Romans envisage their far flung empire? This was done by various means for certain, including with the aid of an ingenious type of portable sundial that has barely attracted notice. As the Romans understood before the first century BCE, to track the passage of the sun across the sky hour by hour one needed to know one's latitude and the time of year, and that, furthermore, sundials did