Dubai's Burj Khalifa is over 2,700 feet high and the tallest building in the world, and as engineers race to top this record-setting height with cutting-edge tech, a new 3,200-foot-tall building in Saudi Arabia is poised to take the crown.
The surprising story of the hidden powerhouse behind the globalised world - the diesel engine, a 19th-century invention that has become indispensable to the 21st century. It's a turtle versus hare tale in which the diesel engine races the petrol engine in a competition to replace ageing steam technology - a race eventually won hands down by diesel. Splendidly, car enthusiast presenter Mark Evans gets excitedly hands on with some of the many applications of Mr Diesel's - yes, there was one - original creation, from vintage submarines and tractors to locomotive trains and container ships. You'll never feel the same about that humble old diesel family car again.
Dial in to the fascinating history of the smartphone, from its roots in Morse Code to 2007, when Apple unveiled the first-ever iPhone. Plus, see how the next generation of Smartphones will allow us to communicate through them just by thinking.
Traditionally, regulators had insisted that all passenger aircraft be powered by at least three engines. But the development of more sophisticated airplanes eventually made twin-engine, long-distance travel feasible. A new standard was introduced, known as Extended-range Twin-engine Operational Performance Standards, or ETOPS.
With its survival challenged by a rapidly growing and aging population and by accelerating climate change, where can land-poor Singapore expand? The futurists offer a radical solution: a massive vertical city. What will it be like living high up in the sky?