Artificial intelligence (AI) is changing our lives. It touches on all aspects of society - private life, business, security -- including in the spread of fake news and the challenges posed by the advent of autonomous weapons.
Costing $150 billion, the International Space Station is the most expensive structure humans have ever built. In this episode, using the series' signature photo-real computer graphics, we take it apart to uncover the extraordinary innovations that enable it to support life in the deadly vacuum of space.
Like human arteries, motorways, roads and train-lines are the lifeblood of any healthy megacity. Whether smoothly flowing or clogged, a city's transport routes affect its inhabitants' quality of life. Andrew Marr finds out how the monstrous megacities stay fed. He also finds out just how hard it is to ride a rickshaw taxi in Dhaka, and discovers how the London tube, once the most ground-breaking transport system in the world, has been usurped by modern transport like Shanghai's 400km/hour magnetic railway. Andrew joins Mexico City's traffic cops in the air, then finds out who is in charge of unblocking Mexico's most filthy canals. He looks into Dhaka's waste management problems, and sees what Britain's fast food obsession is doing to London's sewers.
Where are the limits of human technology? And can we somehow avoid them? This is where quantum computers become very interesting.