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TECH-INVISIBILITY/
RTX16TYK 
December 25, 2013 
Nanyang Technological University (NTU) School of Physical and Mathematical Science researcher Zhang Baile... 
Singapore, Singapore 
Singapore researcher demonstrates invisibility cloak at Nanyang University of Singapore 
Nanyang Technological University (NTU) School of Physical and Mathematical Science researcher Zhang Baile shows how light passes through a set of carefully angled glass blocks to render an object invisible as he talks to the media about his research at NTU in Singapore November 7, 2013. While the holy grail of metamaterials is still to make objects and people invisible to the eye, they are set to have a more tangible commercial impact playing more mundane roles - from satellite antennas to wirelessly charging cellphones. Metamaterials are simply materials that exhibit properties not found in nature, such as the way they absorb or reflect light. By assembling the material - from photonic crystals to wire and foam - at a scale smaller than the length of the wave you're seeking to manipulate, the wave can, in theory, be bent to will. This makes metamaterials the tool of choice for scientists racing to build all sorts of wave-cloaking devices, including the so-called invisibility cloak - a cover to render whatever's inside effectively invisible by bending light waves around it. Picture taken November 7, 2013. REUTERS/Edgar Su (SINGAPORE - Tags: SOCIETY SCIENCE TECHNOLOGY EDUCATION) 
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