subs

The humble submersible Alvin has triumphed over sinking and swordfish, and taken ocean exploration to new depths.

These microsubs could also patrol your bloodstream

Defense systems can detect stealth submarines using two methods: sonar, which bounces sound waves off a craft, and radar, which … Continued

The Macondo oil well is leaking almost 1,000 barrels per day into the Gulf of Mexico, and represents an environmental disaster in the making

A Navy-funded thermal engine bobbing off the coast of Hawaii is accomplishing a rare feat — it produces more energy … Continued

Engineers plan to deploy a robotic swarm for conducting undersea surveys

Two years, $4,385, and some homemade ingenuity can get you this underwater ride