Home > Academic, Innovation, Nanotechnology, Physics, Research, Science, Technology > Aquatic Invisibility Cloak Developed Using Carbon Nanotubes

Aquatic Invisibility Cloak Developed Using Carbon Nanotubes

“Scientists have created a working cloaking device that not only takes advantage of one of nature’s most bizarre phenomenon, but also boasts unique features; it has an ‘on and off’ switch and is best used underwater.

The researchers, from the University of Texas at Dallas, have demonstrated the device’s ability to make objects disappear in a fascinating video.

This novel design, presented today, Tuesday 4 September, in IOP Publishing’s journal Nanotechnology, makes use of sheets of carbon nanotubes (CNT) – one-molecule-thick sheets of carbon wrapped up into cylindrical tubes…

Through electrical stimulation, the transparent sheet of highly aligned CNTs can be easily heated to high temperatures. They then have the ability to transfer that heat to its surrounding areas, causing a steep temperature gradient. Just like a mirage, this steep temperature gradient causes the light rays to bend away from the object concealed behind the device, making it appear invisible.

With this method, it is more practical to demonstrate cloaking underwater as all of the apparatus can be contained in a petri dish. It is the ease with which the CNTs can be heated that gives the device its unique ‘on and off’ feature.”

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