Invisibility cloaks could slim down with active approach

Light-blocking antennas could hide objects of any shape and size

LIGHT BLOCKER  An invisibility cloak made of small antennas surrounds an aluminum cylinder. The thin cloak hides the cylinder from microwaves but could be adapted to block visible light.

M. Selvanayagam and G. Eleftheriades/Physical Review X  

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Materials Science

From the Nature Index

Paid Content