The world's cities are growing at a faster rate than ever before. An estimated 75 million people around the world move to an urban area every year. And as our metropolises become more and more crowded, architects, designers, and builders face a constant challenge.
Electricity powers the life support systems that keep our cities running. Lights, transport, communications, and even hospitals rely on this invisible force. Without it, our cities come to a standstill and lives are put at risk. Meet the people who spend tireless hours to make sure that city power grids remain safe, efficient, and uninterrupted
2013 • Technology
Food- human life can't exist without it. It's a city's most important source of energy. In New York alone, 8 million people consume 10,000 tonnes of food every day. Without new supplies, cities will run out of fresh food in a matter of days.
2013 • Technology
The world's cities are growing at a faster rate than ever before. An estimated 75 million people around the world move to an urban area every year. And as our metropolises become more and more crowded, architects, designers, and builders face a constant challenge.
2013 • Technology
If people are the lifeblood of cities, then transport links are its veins and arteries. If they're cut off, the city will die. Thousands of people work every day at making it possible for city dwellers to be where they need to be, when they need to be there. It's an endless demand of brain and brawn. Without the army of drivers, diggers, and planners, our great cities would come to a halt.
2013 • Technology
For centuries, cities have been built near a fresh water supply. Without water, we'd be lucky to live three days. This most basic human need can be deadly too... the wrong supply can poison us, or get too close or careless and it can drown thousands in an instant. With every passing year, the challenge of providing water to billions of people becomes harder and harder.
2013 • Technology
Scientific feat or terrifying social experiment? Specialists in the field discuss the high stakes and ethical controversies of gene editing.
S1E2 • Explained • 2018 • Technology
Think NASA's only for the stars? Think again. The space race has played a colossal part in our daily lives. From online dating to the freshness of the food we consume. The quest for the stars has created tech so woven into our everyday existence, without it, the world would simply unimaginable.
2/2 • A World Without NASA • 2019 • Technology
GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are?
Only in the last 200 years have humans learned how to make things cold. Steven Johnson explains how ice entrepreneur Frederic Tudor made ice delivery one of the biggest export business in the U.S. and describes the place where Clarence Birdseye, the father of the frozen food industry, experienced his eureka moment. He also travels to Dubai to see how mastery of cold has led to penguins in the desert. From IVF to food, politics and Hollywood to human migration, the unsung heroes of cold have led the way.
5/6 • How We Got to Now • 2014 • Technology
Artificial intelligence is examined. Included: the effort to build intelligent machines by reverse-engineering the brain and by inventing completely new kinds of computers, with exponentially greater speed and processing power.
3 • Nova Wonders • 2018 • Technology
This episode will reveal a future in the making that is as astonishing as it is unexpected: new urban models, eco-mobility, self-driving cars, electric airplanes, revolutionary boats, and more.
S1E4 • Dream the Future • 2017 • Technology