Personal thermal management, which focuses on heating the human body as needed, is an emerging potential solution. Such patches may also someday help warm anyone who works or plays outdoors, researchers said.
The supersonic flight takes Virgin Galactic closer to turning the long-delayed dream of commercial space tourism into reality. The company aims to take paying customers on the six-passenger rocket, which is about the size of an executive jet.
They started with one of their own designs previously used to stimulate neurons, but made the mesh thinner to easily wrap around the heart and strewed tiny nanowires across its surface to attach to cardiac cells.
NASA's Voyager 2 probe is the second man-made object to have crossed into interstellar space. The probe achieved the feat on November 5, and is aimed to study the outer reaches of the solar system and more.