More than a century after the Titanic sank, engineers still have hopes of someday creating "unsinkable" ships. In a step ...

A video shows unsinkable metal tubes retaining their buoyancy even after they are damaged or fully submerged for extended ...

Researchers have found a way to make ordinary aluminum tubes float indefinitely, even when submerged for long periods or ...

Researchers have developed a new process that turns ordinary metal tubes unsinkable - meaning they will stay afloat no matter ...