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A M P T I AC is a DOD Infor ma tion An alys is Center Adm inis te re d by th e De fen se Info rma tion Sys tem s Age n c y, De fen se Te chnical In fo rm ation Cent er and Opera ted by IIT Re s e a rc h Inst i t u te One of my colleagues from the DOE made the comment a few months ago over dinner that if his proposals did not have the term " Nano/Info/Bio-Tech " in the title, there was little ch...

We show that ACC0 is precisely what can be computed with constant-width circuits of polynomial size and polylogarithmic genus. This extends a characterization given by Hansen, showing that planar constant-width circuits also characterize ACC0. Thus polylogarithmic genus provides no additional computational power in this model. We consider other generalizations of planarity, including crossing n...

Philosophy is often conceived in the Anglophone world today as a subject that focuses on questions in particular ‘‘core areas,’’ pre-eminently epistemology and metaphysics. This article argues that the contemporary conception is a new version of the scholastic ‘‘self-indulgence for the few’’ of which Dewey complained nearly a century ago. Philosophical questions evolve, and a first task for phi...

Slammer (sometimes called Sapphire) was the fastest computer worm in history. As it began spreading throughout the Internet, the worm infected more than 90 percent of vulnerable hosts within 10 minutes, causing significant disruption to financial, transportation, and government institutions and precluding any human-based response. In this article, we describe how it achieved its rapid growth, d...

We introduce a novel concept of an inside-out (or inverse) cloak for electromagnetic waves based on the coordinate transformation of Maxwell's equations. This concept can be employed for creating absorbing non-reflecting media as matching layers in numerical simulations. In contrast to the commonly used perfectly matched layers, such absorbing boundaries are characterized by physically meaningf...

In this paper I analyze what is emerging in the new frontiers of mobile media, where social media, global positioning systems (GPS)—including location-based services (LBS)—and mobile phones are merging. In addition, I will analyze the implications of the precious heritage that portable media might receive from the mobile phone. To substantiate my analysis, I take into account two examples: (1) ...

Perhaps the greatest power of documentary film is its ability to reveal to us experiences, feelings, and events that might have otherwise remained beyond our awareness and our imagination. Two years ago in this space (Scheidt, 2013), I reviewed a brief version of " Alive Inside, " a video by Michael Rossato-Bennett. That remarkable film demonstrates the almost immediate reappearance of behavior...

Tobacco smoking is a major source of preventable morbidity and mortality worldwide particularly due to lung tumours and/or cardiovascular pathologies. Continued tobacco smoking is primarily driven by dependence on nicotine, one of the main psychoactive ingredients of tobacco smoke, which initiates a series of adaptive changes in brain neurons and circuits by binding with high affinity to neuron...