Today's greatest skyscrapers use cutting-edge tech to build sky-high micro-cities within their walls, and these innovative mega-builds are becoming the new engineering icons in Chicago, Dubai, Beijing, and other twenty-first century metropolises.
The Nazis knew it was their last chance. The British knew it was the deadliest threat they'd ever face. And the Americans knew it could fall into the wrong hands. The V2 rocket quickly became Hitler's greatest deadly weapon and beacon of hope to turn the course of World War II in his favor. Watch Nazi Germany's desperate attempt at victory as the Allies race to stop them and see how the V2 miraculously went from deadly weapon to amazing feat of space technology.
2015 • Technology
One of the ancient world's most iconic buildings, the Colosseum is a monument to Roman imperial power and cruelty. Its graceful lines and harmonious proportions concealed a highly efficient design and advanced construction methods that made hundreds of arches out of 100,000 tons of stone. In its elliptical arena, tens of thousands of gladiators, slaves, prisoners, and wild animals met their deaths. Ancient texts report lions and elephants emerging from beneath the floor, as if by magic, to ravage gladiators and people condemned to death. Then, just as quickly, the Colosseum could be flooded with so much water that ships could engage in sea battles to the delight of the crowd.
By the end of the 21st century, humanity is becoming desperate. Decades of heatwaves and droughts have led to unusually poor harvests, while the warming oceans yield fewer fish each year. In the tropical zones, millions suffer from famine and resource wars have made millions more flee to the north. As things quickly get worse, in an act of desperation, the world's governments decide to enact an emergency plan...