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Our NanoNews Digest Sponsors Home > Press > Perfect transmission through barrier using sound: New study experimentally proved for the first time a century-old quantum theory that relativistic particles can pass through a barrier with 100% transmission The phononic crystals are made by artificially placing the acrylic posts in the special pattern. CREDIT The University of Hong Kong Abstract: The perfect transmission of sound through a barrier is difficult to achieve, if not impossible based on our existing knowledge. This is also true with other energy forms such as light and heat. Perfect tra...

 E-Mail IMAGE: The phononic crystals are made by artificially placing the acrylic posts in the special pattern. view more  Credit: The University of Hong Kong The perfect transmission of sound through a barrier is difficult to achieve, if not impossible based on our existing knowledge. This is also true with other energy forms such as light and heat. A research team led by Professor Xiang Zhang, President of the University of Hong Kong (HKU) when he was a professor at the University of California, Berkeley, (UC Berkeley) has for the first time experimentally proved a century old quant...