According to a memo from the Department of the Navy obtained by ABC 10News, a stop-work order was issued last week to Marine Group Boat Works, directing the company to halt production on two 35-meter ...

Crystals have been highly coveted since civilisations as old as ancient Egyptian and Greek. These semi-precious stones are thought to possess metaphysical properties, including magical and healing ...

Archaeologists have discovered the remains of an ancient Egyptian who treated pharaohs more than 4,000 years ago. The well-preserved burial site belonged to Teti Neb Fu, believed to have been a ...

Every time a wave crosses a boundary between two crystals, known as a grain boundary, it loses energy. If the crystals are smaller, there are more of these grain boundaries in a given volume.