We’re now in prime summer stargazing season. While it’s not the brightest of constellations, Hercules the Hero is one of my favorites. One reason I like it so much is that it has such a great story.

(Nanowerk News) Prof. Sang Ouk Kim’s group at KAIST has developed a new type of artificial muscle fiber based on graphene-liquid crystal elastomer composites. This new artificial muscle has been ...