Imagine you could make a copy of a loved one. A digital clone with a life of its own – their Avatar. That’s the dream of biomechanical engineer, Dr Jordan Nguyen, and he says we have the technology to do it right now in the form of Virtual Reality.
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.
For years, the idea of a reusable spacecraft was the dream of early space pioneers, and in 1981, after almost a decade of engineering toil, the Space Shuttle Columbia finally lifted into orbit, ushering in a new era of space flight. Today, the shuttle's work is complete but its engineering legacy will outlast those who built it. Relive its incredible 30-year history, from its groundbreaking achievements to its heartbreaking failures, as told by the people who designed, built, and flew this magnificent flying machine.
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.