
Compressed air: sonic shock waves collide
When a plane flies faster than the speed of sound, the pressure waves in front don’t have time to flow around the aircraft and the air becomes compressed, eventually producing a shock wave,…

Alfred Wallace’s life and times
Science historian Dr John van Wyhe and his fellow researchers at the National University of Singapore have compiled the entire collection of Alfred Russel Wallace’s documented life and discoveries from his scientific travels….

Robots inspired by nature
Nature has often been a source of inspiration in film and literature, but more recently, engineers have gotten into the natural trend, designing robots inspired by wildlife. This development demonstrates how our surrounding…

Viewing tropical storms and other natural disasters from space
Australia receives an average of 13 cyclones a year, while the US might see up to 20. Every one of these destructive storms varies in their life cycles, intensity, movement, size and impacts such…