If you think about the world around us, the meaning of completing a certain well-defined task usually remains constant. If someone tells you that they just built a house, you can develop expectations ...

Sir, – Research on harnessing solar energy from space has taken a significant step forward, as reported by Kevin O’Sullivan (“Irish scientists move closer to creating solar farms in space”, News, May ...

The engineering profession is now in the position to make a substantial contribution to the ''greening'' of the planet through ideas such as ecological engineering. In this retrospective period of ...