Xina M. Uhl 
How STEM Built the Roman Empire [PDF ebook] 

From the founding of its republic in 509 B.C.E. to the demise of its empire in 476 C.E., Rome dominated the countries of the Mediterranean Sea, the Middle East, and Europe as far north as Britain. Roman scientists, engineers, mathematicians, architects, and others left a rich legacy of roads, aqueducts, bridges, mills, treatises, and more over its thousand-year history and for the centuries to come. This intriguing volume explains the dramatic story of Rome’s conquests and triumphs, and how they went hand in hand with advancements in science, technology, engineering, and math, or STEM.