Diamonds have long been the ultimate symbol of love and commitment, their sparkling brilliance forever linked to life’s most emotional moments. Thanks to decades of marketing genius—most ...

Every now and then, the Earth disgorges clues to their nature: tiny chthonic diamonds encasing skerricks of rare mineral. From these tiny fragments we can glean tidbits of information about our planet ...

The interesting angle of us comes from the power source, which is a D-sized lithium thionyl chloride cell, a primary cell rather than the expected rechargeable. These cells have a huge energy ...