The steam engine's story involves ingenuity and collaboration. Hero of Alexandria's early device showed steam's potential. Thomas Savery's engine pumped water from mines. James Watt improved ...

PRETTY much every child in my day went to Skipton Castle on a school trip - and we all remember the ‘long drop’.

The engine is scalable for wheels from 20 to 23 inches. However, it will still take time for this technology to be widely adopted. Initially, Sonic X will be used in high-end cars. Developing ...