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The Life of Pi presents an epic journey that a boy survives by maximizing spiritual strength in the most adverse circumstances. Called Pi, the boy harnesses curiosity, spirituality, and love to go through his adventurous "international" journeys through religions, cultures, and most notably nature with a stormy ocean. In his new book The Electronic Silk Road: How the Web Binds the World in Commerce, Anupam Chander also narrates an epic journey that we must embark on in the digital age. Skillfully written with elegant prose, the book explores complex challenges posed by culture, politics, and technology associated with trade in information services. ; postprint

This Article puts forward a new theory that reconceptualizes fair use as a collective user right in copyright law. It first argues that the fair use doctrine has not yet unleashed its full potential in protecting the public interest. The failure is caused by a firmly ingrained notion in copyright law that treats fair use as an affirmative defense against allegations of copyright infringements. Such a fixed characterization of fair use has led legislators and judges to define it as merely an individual right enjoyed by each user of copyrighted works. This characterization has also lead to a wide range of harms to the public interest in the free flow of information and knowledge. Against this backdrop, this Article explores the ways in which fair use can be revitalized to protect the public interest. It argues for repudiating the narrow-minded characterization of fair use as an individual right. It then proposes that fair use should instead be redefined as a collective right held by the public, which facilitates and enhances participation in communicative actions in what I call intangible public space. From this perspective, section 107 of the Copyright Act should be read as conferring a collective right to fair use upon members of the public. Moreover, this Article shows the power of the collective right to fair use in generating a new legal approach that will enrich copyright adjudication and policy-making discourse for protecting the public interest in the digital age. ; postprint

Radio frequency (RF) adaptive self-interference cancellation system (RFAICS) is extensively used to suppress the self-interference of radios operating in the same platform, such as military command vehicles, airplanes and navy vessels. RFAICS is generally consisted of couplers, attenuators, delay units, amplifiers, and filters and so on. However, RFAICS usually suffers severely from the imperfect attenuators. This paper firstly explores the RFAICS operation process in theory, and then thoroughly investigates and analyzes the negative effects of non-ideal attenuators on performance of RFAICS. The closed-form expressions fully describing the influences of attenuation bias and response-time respectively on the interference cancellation ratio (ICR) and system convergence time (SCT) are developed with this aim. Simulations are provided for the validity of the limitation analysis and obtained expressions. Results of simulations are in agreement with theoretical analysis, which is significant for component configuration in taking RFAICS into practice.