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.
Art is undergoing a revolution brought about by advances in technology. Digital techniques, data flows, calculating power, and 3D visualization are some of the tools that open the way to new ways and forms of expression and new artistic practices.
Learn how robots were first conceptualized in ancient Rome and see how their use has evolved over the centuries, from the calculator to the Roomba. Then, take a sneak peek at what future robots will be able to do. Narrated by Patrick Stewart.
Outer space has been transformed from a realm of scientific endeavor to the US military's newest battlefield. From anti-satellite missiles to laser technology, discover the cutting-edge race to build the ultimate space weapon.