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Tag: cloaking

A cagelike cloak surrounds a plastic sphere in an echo-free chamber. The cloak shielded the sphere from detection at a particular sound frequency, the first time a three-dimensional object has been cloaked from sound waves. Credit: L. Sanchis et al

Sound cloak devised that works for 3-D objects

After scientists have devised materials that rend objects optically invisible, researchers in Spain have developed a method that allowed them ...

This figure shows that the object in the center of the cloak stays cold, while the heat diffuses elsewhere. The source of the heat, which is at a constant temperature of 100 °C, is on the left-hand side, while the material inside the invisibility region remains cold. (Image: Sebastien Guenneau, Institut Fresnel, CNRS/AMU)

Thermal cloaking renders heat invisible

Cloaking has turned into a subject of great interest for scientists in the past decade, most likely because of its ...

invisible mercedes f-cell car

Invisible Mercedes ad creatively promotes green technology

March 5, 2012 - Updated on November 27, 2012

Worldwide, motor vehicles currently emit well over 900 million metric tons of CO2 each year, amounting to more than 15 percent of ...

Scientists have been able to manipulate light beams so they are unable to detect an event. This is an depiction of a sculpture by Sun Shaoqun entitled "Beyond Space Time". (c) China Photos/stringer/AFP/Getty Images

‘Time Cloaking’ remarkable experiment hides event in time

January 6, 2012 - Updated on June 11, 2023

Cloaking used to be one of my favorite SciFi themes. James Bond supercars that would show up or disappear instantly ...

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© 2007-2023 ZME Science - Not exactly rocket science. All Rights Reserved.