There’s a well-known story in Plato’s Republic in which a humble shepherd named Gyges finds a magical gold ring that renders whoever wears it invisible. Gyges proceeds to use his newfound power to ...

This release is available in German. "Seeing something invisible with your own eyes is an exciting experience," say Joachim Fischer and Tolga Ergin. For about one year, both physicists and members of ...

WASHINGTON, April 19–Invisibility cloaks are seemingly futuristic devices capable of concealing very small objects by bending and channeling light around them. Until now, however, cloaking techniques ...

"For the thermal invisibility cloak, both materials have to be arranged smartly," explains Robert Schittny from KIT, the first author of the study. Copper is a good heat conductor, while the silicon ...

H z component diagram when the point source is placed at r = R1 (a) in vacuum and (b) α-MoO3 invisibility concentrator and r = R2 in (c) vacuum and (d) α-MoO3 invisibility concentrator, respectively. ...