Engineers at Virginia Tech are working on a gigantic, synthetic robo-jellyfish, which could eventually have military applications.
Increasing summer ice melt in the Arctic Ocean could shift global weather patterns and make polar waters more navigable. But scientists say forecasting Arctic ice and weather remains a massive challenge.
Navy railgun: A Navy prototype of an electromagnetic railgun marks a major step in the process of installing the weapons on Navy vessels.
A new method of circuit board production could lead to a new generation of faster, more energy-efficient computers.