Many people anticipating the creation of an invisibility cloak might be surprised to learn that a group of American researchers has created 25 000 individual cloaks.
But before you rush to buy one from your local shop, the cloaks are just 30 micrometres in diameter and are laid out together on a 25 millimetre gold sheet.
This array of invisibility cloaks is the first of its kind and has been created by researchers from Towson University and University of Maryland who present their study today, 25 May, in the Institute of Physics and German Physical Society's New Journal of Physics.
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