A joint Chinese and Singaporean research team have developed an “invisibility cloak” using polygonal devices with glass

Chinese, Singaporean team develop invisibility cloak

Staff Reporter

2013-11-03

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The glass device makes part of a pencil disappear. (Internet photo)

A joint Chinese and Singaporean research team have developed an “invisibility cloak” using polygonal devices with glass, reports China’s state-run Xinhua News Agency. Professor Chen Hongsheng of the Electromagnetics Academy of Zhejiang University and a research team from Singapore’s Nanyang Technological University successfully made a goldfish and a cat disappear with the new light-bending technology.The device can hide objects and organisms such as a cat, and they can also move along with the device without affecting their invisibility, said Chen.

The invisibility cloak is created by thin panels of glass that make objects invisible by bending light around them. The technology is still rudimentary as it is most effective when the light comes from a single angle. The cloak can also only make objects invisible in a narrow spectrum of light, the professor said.

His team along with the Singaporean University have attempted to simplify the technology. They found human eyes are not sensitive to light’s phase and minute delay, and chose to use glass to make the device because it is transparent, has a smooth surface, can be obtained easily and does not need to be processed with nanotechnology.

The team used a hexagonal device, which is most effective when light is shone directly at six angles, while the polygonal device can only make objects invisible at two angles. The teams published their complete research results on online multidisciplinary journal Nature Communication last month.

Chen said the devices can be used in the field of security, entertainment and surveillance, adding that the research teams will continue to enhance the devices invisibility and reduce their weight.

About bambooinnovator
Kee Koon Boon (“KB”) is the co-founder and director of HERO Investment Management which provides specialized fund management and investment advisory services to the ARCHEA Asia HERO Innovators Fund (www.heroinnovator.com), the only Asian SMID-cap tech-focused fund in the industry. KB is an internationally featured investor rooted in the principles of value investing for over a decade as a fund manager and analyst in the Asian capital markets who started his career at a boutique hedge fund in Singapore where he was with the firm since 2002 and was also part of the core investment committee in significantly outperforming the index in the 10-year-plus-old flagship Asian fund. He was also the portfolio manager for Asia-Pacific equities at Korea’s largest mutual fund company. Prior to setting up the H.E.R.O. Innovators Fund, KB was the Chief Investment Officer & CEO of a Singapore Registered Fund Management Company (RFMC) where he is responsible for listed Asian equity investments. KB had taught accounting at the Singapore Management University (SMU) as a faculty member and also pioneered the 15-week course on Accounting Fraud in Asia as an official module at SMU. KB remains grateful and honored to be invited by Singapore’s financial regulator Monetary Authority of Singapore (MAS) to present to their top management team about implementing a world’s first fact-based forward-looking fraud detection framework to bring about benefits for the capital markets in Singapore and for the public and investment community. KB also served the community in sharing his insights in writing articles about value investing and corporate governance in the media that include Business Times, Straits Times, Jakarta Post, Manual of Ideas, Investopedia, TedXWallStreet. He had also presented in top investment, banking and finance conferences in America, Italy, Sydney, Cape Town, HK, China. He has trained CEOs, entrepreneurs, CFOs, management executives in business strategy & business model innovation in Singapore, HK and China.

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