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New technique for invisibility cloaking

The first working invisibility cloak, designed using topology optimisation technique, has masked a poker chip-sized disc from microwaves.

Researchers took just 15 minutes to create the cloak from Teflon using a computer controlled engraving machine.

The research examined existing literature to explore alternatives to the common and expensive method of using metamaterials to cloak objects.

Researchers hope to expand from the unidirectional “invisibility cloak”, to create cloaks that work on a range of angles and frequencies.

Read more at Royal Institute of Technology, National University of Singapore

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