Since the earliest civilizations, humans have needed walls to protect them. From rudimentary walls around early towns and cities to vast fortresses and castles, culminating in one of the greatest ...

How do you carve, transport, and erect a single block statue weighing over 1,000 tons—out of composite quartzite, flint, or ...

The ingenuity of the construction techniques used by Greek builders 2,000 years ago continues to dazzle the world. What did these ancient engineers get right? And how does looking to the past help ...

Go back in time to ancient Egypt. Thousands of years, in fact. Their influence on modern life can be seen in our language, art, engineering, and more. Gain a new appreciation for ancient Egyptian ...

TO KINETIC ENERGY IN THE BLINK OF AN EYE. CATAPULTS ARE A BATTLE WEAPON DATING BACK TO MEDIEVAL TIMES, AND NOW THAT SAME CONCEPT SHAPES OUR DAY TO DAY LIVES. FIRST WARNING METEOROLOGIST MARQUISE MEDA ...