theheraldghana.com on MSN

Crashed military helicopter confirmed as flying skeleton

Brought down by airThe Aircraft Accident and Incident Investigation and Prevention Bureau (AIB Ghana) has suggested that the Harbin Z-9EH military helicopter, which killed Dr Edward Omane Boamah, ...
Tech Xplore on MSN

Stirling engine generates mechanical power by linking Earth's warmth to space

Engineers at the University of California, Davis, have invented a device that can generate mechanical power at night by ...