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2D Materials for Surface Plasmon Resonance-based Sensors (Emerging Materials and Technologies)
by Santosh Kumar Sanjeev Kumar Raghuwanshi Yadvendra Singh2D Materials for Surface Plasmon Resonance-based Sensors offers comprehensive coverage of recent design and development (including processing and fabrication) of 2D materials in the context of plasmonic-based devices. It provides a thorough overview of the basic principles and techniques used in the analysis and design of 2D material-based optical sensor systems. Beginning with the basic concepts of plasmon/plasmonic sensors and mathematical modelling, the authors explain the fundamental properties of 2D materials, including Black Phosphorus (BP), Phosphorene, Graphene, Transition metal dichalcogenides (TMDCs), MXene's and SW-CNT. It also details the applications of these emerging materials in clinical diagnosis and their future trends. This text will be useful for practising engineers, undergraduate and postgraduate students. Key Features Presents the fundamental concepts of 2D material assisted fibre optic and prism based SPR sensor in a student-friendly manner. Includes the recent synthesis and characterization techniques of 2D materials. Provides computational results of recently discovered electronic and optical properties of the 2D materials along with their effectiveness in the field of plasmonic sensors. Presents emerging applications of novel 2D material-based plasmonic sensors in the field of chemical, bio-chemical and biosensing.
2D Materials-Based Sensors: Technology and Applications (Emerging Materials and Technologies)
by Vinod Kumar Khanna2D Materials-Based Sensors: Technology and Applications is a comprehensive book covering the latest innovations on sensors using the unique properties of 2D materials. This specialized text: Key Features Describes 2D materials process technology and integration of these materials into sensor fabrication. Provides an in-depth coverage of the underlying physics, operation, and performance metrics of 2D materials-based sensors. Highlights state-of-the-art developments in 2D material sensors vis-à-vis challenges faced in their fabrication. Presents glimpses of emerging 2D materials-based sensor technologies that will shape the future. Expedites understanding and learning through plain, lucid explanations, and clear, insightful diagrams. Commencing from an introductory survey of the 2D materials family, the book describes their impressive properties and their top-down and bottom-up synthesis techniques. The succeeding chapters present detailed descriptions of 2D materials-based mechanical sensors, photodetectors, magnetic sensors together with quantum sensors, heavy-metal ion sensors, gas sensors, and biological sensors. The book concludes with the research challenges, emerging trends, and limitations providing a balanced perspective of this fast-progressing field. This book is a concise guide for students, scientists, and technologists engaged in sensor research and development.
2D Materials: Characterization, Production and Applications
by Craig E. Banks Dale A. BrownsonMost reference texts covering two-dimensional materials focus specifically on graphene, when in reality, there are a host of new two-dimensional materials poised to overtake graphene. This book provides an authoritative source of information on twodimensional materials covering a plethora of fields and subjects and outlining all two-dimensional materials in terms of their fundamental understanding, synthesis, and applications.
2D Materials: Properties and Devices
by Heinz Phaedon Avouris Tony F. Tony LowLearn about the most recent advances in 2D materials with this comprehensive and accessible text. Providing all the necessary materials science and physics background, leading experts discuss the fundamental properties of a wide range of 2D materials, and their potential applications in electronic, optoelectronic and photonic devices. Several important classes of materials are covered, from more established ones such as graphene, hexagonal boron nitride, and transition metal dichalcogenides, to new and emerging materials such as black phosphorus, silicene, and germanene. Readers will gain an in-depth understanding of the electronic structure and optical, thermal, mechanical, vibrational, spin and plasmonic properties of each material, as well as the different techniques that can be used for their synthesis. Presenting a unified perspective on 2D materials, this is an excellent resource for graduate students, researchers and practitioners working in nanotechnology, nanoelectronics, nanophotonics, condensed matter physics, and chemistry.
2D Materials: Sensing Applications (Engineering Materials)
by Akash Katoch Puneet Kaur RahulThis book summarizes various scalable and cost-effective techniques to fabricate different 2D materials beyond graphene including, but not limited to, transition metal dichalcognides (TMDs), MXenes, Transition Metal Oxides (TMOs), etc. This book focuses on recent advancements in the field of sensors based on these 2D materials and their heterostructures. These materials exhibit a wide range of sensing applications and have become one of the potential research areas for the scientific community due to their exceptional and tunable properties. This book provides basic and fundamental knowledge about various sensing mechanisms, challenges, and future opportunities for the fabrication/development of the next-generation sensors with applications in daily lives.
2D Metal Carbides and Nitrides (MXenes): Structure, Properties and Applications
by Yury Gogotsi Babak AnasoriThis book describes the rapidly expanding field of two-dimensional (2D) transition metal carbides and nitrides (MXenes). It covers fundamental knowledge on synthesis, structure, and properties of these new materials, and a description of their processing, scale-up and emerging applications. The ways in which the quickly expanding family of MXenes can outperform other novel nanomaterials in a variety of applications, spanning from energy storage and conversion to electronics; from water science to transportation; and in defense and medical applications, are discussed in detail.
2D Metals: Fundamentals, Emerging Applications, and Challenges
by Ram K. Gupta2D Metals: Fundamentals, Emerging Applications, and Challenges delves into the state-of- the-art advancements in utilizing 2D metals for emerging applications, encompassing a comprehensive overview of synthetic methodologies and characterization techniques provided by leading experts in the field.2D nanomaterials have emerged as highly promising candidates for a diverse array of cutting-edge applications, spanning energy and biomedicine, owing to their adjustable electrochemical properties, versatility, and exceptional mechanical resilience. Notably, carbon-based 2D materials have already demonstrated extensive utility across various domains. Meanwhile, 2D metals, often referred to as Metallenes, represent a burgeoning class of materials with broad reaching potential. In contrast to alternative 2D materials like graphene and transition metal chalcogenides, as well as bulk metals, 2D metals exhibit remarkable conductivity, expansive surface area, and customizable electronic and optoelectronic characteristics.This book explores the influence of structural modifications on the properties of 2D metals and addresses the myriad challenges associated with their burgeoning applications. Each chapter, authored by esteemed specialists from across the globe, offers invaluable insights, rendering this book an indispensable resource for students while furnishing researchers and industry professionals with novel guidance and perspectives.
2D Monoelemental Materials: Beyond Graphene (Emerging Materials and Technologies)
by Zongyu Huang, Xiang Qi, and Jianxin ZhongMonoelemental 2D materials called Xenes have a graphene-like structure, intra-layer covalent bond, and weak van der Waals forces between layers. Materials composed of different groups of elements have different structures and rich properties, making Xenes materials a potential candidate for the next generation of 2D materials. 2D Monoelemental Materials (Xenes) and Related Technologies: Beyond Graphene describes the structure, properties, and applications of Xenes by classification and section. The first section covers the structure and classification of single-element 2D materials, according to the different main groups of monoelemental materials of different components and includes the properties and applications with detailed description. The second section discusses the structure, properties, and applications of advanced 2D Xenes materials, which are composed of heterogeneous structures, produced by defects, and regulated by the field. Features include: Systematically detailed single element materials according to the main groups of the constituent elements Classification of the most effective and widely studied 2D Xenes materials Expounding upon changes in properties and improvements in applications by different regulation mechanisms Discussion of the significance of 2D single-element materials where structural characteristics are closely combined with different preparation methods and the relevant theoretical properties complement each other with practical applications Aimed at researchers and advanced students in materials science and engineering, this book offers a broad view of current knowledge in the emerging and promising field of 2D monoelemental materials.
2D Monoelements: Properties and Applications
by Abdullah M. Asiri Mohd Imran Ahamed Rajender Boddula Inamuddin2D Monoelements: Properties and Applications explores the challenges, research progress and future developments of the basic idea of two-dimensional monoelements, classifications, and application in field-effect transistors for sensing and biosensing. The thematic topics include investigations such as: Recent advances in phosphorene The diverse properties of two-dimensional antimonene, of graphene and its derivatives The molecular docking simulation study used to analyze the binding mechanisms of graphene oxide as a cancer drug carrier Metal-organic frameworks (MOFs)-derived carbon (graphene and carbon nanotubes) and MOF-carbon composite materials, with a special emphasis on the use of these nanostructures for energy storage devices (supercapacitors) Two-dimensional monoelements classification like graphene application in field-effect transistors for sensing and biosensing Graphene-based ternary materials as a supercapacitor electrode Rise of silicene and its applications in gas sensing
2D Nanoelectronics: Physics and Devices of Atomically Thin Materials (NanoScience and Technology)
by Mircea Dragoman Daniela DragomanThis book is dedicated to the new two-dimensional one-atomic-layer-thick materials such as graphene, metallic chalcogenides, silicene and other 2D materials. The book describes their main physical properties and applications in nanoelctronics, photonics, sensing and computing. A large part of the book deals with graphene and its amazing physical properties. Another important part of the book deals with semiconductor monolayers such as MoS2 with impressive applications in photonics, and electronics. Silicene and germanene are the atom-thick counterparts of silicon and germanium with impressive applications in electronics and photonics which are still unexplored. Consideration of two-dimensional electron gas devices conclude the treatment. The physics of 2DEG is explained in detail and the applications in THz and IR region are discussed. Both authors are working currently on these 2D materials developing theory and applications.
2D Nanomaterials for Energy and Environmental Sustainability (Materials Horizons: From Nature to Nanomaterials)
by Zeba Khanam Neelam Gogoi Divesh Narayan SrivastavaThis book presents cutting-edge research, recent breakthroughs, and unresolved challenges associated with 2D nanomaterials to combat energy and environmental issues. The book discusses the state-of-the-art design and innovations engaged to novel 2D nanomaterials, viz. Transition metal compounds (TMDs, TMOs, TMHs), MXenes, elemental 2D analogs (silicene, phosphorene, arsenene, etc.), Metal-organic frameworks (MOFs), etc. It presents the latest trends on top-down and bottom-up synthesis approaches and properties followed by the critical status and progress of these 2D nanomaterials in the field of energy and environment. The topics cover wide spectrum of 2D nanomaterials applications including energy storage/conversion, air/water/soil remediation, adsorption, photocatalytic degradation, desalination and membrane filtration, detection and sensing, drug delivery systems, and nano-encapsulated agro-formulations. The subsequent section includes a comprehensive account on the safety risk assessment of 2D nanomaterials towards the ecosystem and human health. This book will be beneficial for beginners, researchers, and professionals from diverse fields interested in 2D nanomaterials for energy and environmental sustainability.
2D Nanomaterials: Chemistry and Properties
by Ram K. Gupta2D nanomaterials have emerged as promising candidates for use in energy devices owing to their superior electrochemical properties, surface area, nanodevice integration, multifunctionality, printability, and mechanical flexibility. 2D Nanomaterials: Chemistry and Properties covers basic concepts, chemistries, and properties along with theoretical considerations in designing new 2D nanomaterials, especially for energy applications. This book: Discusses the effect of doping, structural variation, phase, and exfoliation on structural and electrochemical properties of 2D nanomaterials Presents synthesis, characterization, and applications of 2D materials for green energy production and storage Explores new aspects of synthesizing 2D nanomaterials beyond traditionally layered structures Examines challenges in using 2D materials for energy applications This book is aimed at materials scientists, chemists, electrochemists, and engineers working in energy disciplines.
2D Nanomaterials: Synthesis, Properties, and Applications
by Kaushik Pal Subhendu Chakroborty2D NANOMATERIALS The book provides a comprehensive overview of the synthesis, modification, characterization, and application of 2D nanomaterials. In recent years, 2D nanomaterials have emerged as a remarkable cornerstone in the field of advanced materials research, with their unique properties and versatile applications captivating the attention of scientists and engineers worldwide. This book is a testament to the ever-growing interest and importance of 2D nanomaterials in the realm of materials science, nanotechnology, pharmaceuticals, and a myriad of engineering specializations. The book is structured into three sections, each delving into different aspects of 2D nanomaterials. The first section explores the synthesis of these materials, providing an overview of both top-down and bottom-up strategies. Understanding the methods by which these materials can be synthesized is crucial for advancing their potential applications. Additionally, this section details the structural characterization of 2D nanomaterials, shedding light on their intricate compositions and properties. The second section examines the diverse characteristics exhibited by 2D nanomaterials. From their magnetic and mechanical properties to their electrical, plasmonic, and optical behaviors, these materials possess an array of intriguing attributes that make them highly attractive for a wide range of applications. This section of the book provides a comprehensive understanding of these properties, enabling readers to appreciate the unique potential of 2D nanomaterials. The final section focuses on the applications of 2D nanomaterials, highlighting their use in various fields such as energy, water purification, biomedical applications, multimodal tumor therapy, and supercapacitor technology.
2D PAGE: Volume 1 (Methods in Molecular Biology #424)
by Anton PoschThis book presents broad coverage of the principles and recent developments of sample preparation and fractionation tools in Expression Proteomics in general and two-dimensional electrophoresis (2-DE) in particular. With its unique capacity to resolve thousands of proteins in a single run, 2-DE is still a fundamental research tool for nearly all protein-related scientific projects.
2D PAGE: Volume 2 (Methods in Molecular Biology #425)
by Anton PoschThe complex nature of proteins often requires a multitude of sample preparation options. In 2D PAGE: Sample Preparation and Fractionation, Volumes 1 & 2, Dr. Anton Posch presents a broad coverage of the principles and recent developments of sample preparation and fractionation tools in Expression Proteomics and specifically for two-dimensional electrophoresis (2-DE). Detailed laboratory methods describe the process of sample fractionation used to reduce the complexity of the protein sample and the methods of 2-DE analysis and a broad variety of gel-free mass spectrometry-based technologies to detect previously undetectable proteins. Vital information regarding protein isolation and preparation for reproducible proteome analysis previously overlooked by scientists has been clearly laid out in this pioneering two-volume set. Volume 2 illuminates specific applications of sample preparation tools and fractionation strategies to study a variety of biological systems.<P><P> Invaluable for students of Biochemistry, Biomedicine, Biology and Genomics and essential for the practicing scientists, 2D PAGE: Sample Preparation and Fractionation, Volumes 1 & 2 delves into the study of proteins with comprehensive and in depth methods and protocols to provide a greater understanding of this intricate and complicated field.
2D Semiconducting Materials for Electronic, Photonic, and Optoelectronic Devices
by Anuj Kumar Ram K. GuptaTwo-dimensional semiconducting materials (2D-SCMs) are the subject of intensive study in the fields of photonics and optoelectronics because of their unusual optical, electrical, thermal, and mechanical properties. The main objective of 2D Semiconducting Materials for Electronic, Photonic, and Optoelectronic Devices is to provide current, state-of-the-art knowledge of two-dimensional semiconducting materials for various applications. Two-dimensional semiconducting materials are the basic building blocks for making photodiodes, light-emitting diodes, light-detecting devices, data storage, telecommunications, and energy-storage devices. When it comes to two-dimensional semiconducting materials, electronic, photonic, and optoelectronic applications, as well as future plans for improving performance, no modern book covers as much ground. The planned book will fill such gaps by offering a comprehensive analysis of two-dimensional semiconducting materials. This book covers a range of advanced 2D materials, their fundamentals, and the chemistry for many emerging applications. All the chapters are covered by experts in these areas around the world, making this a suitable textbook for students and providing new guidelines to researchers and industries. • Covers topics such as fundamentals and advanced knowledge of two-dimensional semiconducting materials • Provides details about the recent methods used for the synthesis, characterization, and applications of two-dimensional semiconducting materials • Covers the state-of-the-art development in two-dimensional semiconducting materials and their emerging applications This book provides directions to students, scientists, and researchers in semiconductors and related disciplines to help them better understand the physics, characteristics, and applications of 2D semiconductors.
2D Semiconductors for Environmental Remediation (Emerging Materials and Technologies)
by Honey John Nisha T. Padmanabhan Sona Stanly Jith C. JanardhananThis book gives a comprehensive description of various aspects of 2D semiconductors including their synthesis, surface science, characterizations, and their allied application in environmental remediation including air and water purification, oil-water separation, hydrogen production, and CO2 removal. The electronic and optoelectronic enhancement properties of these semiconductors with bandgap engineering, doping, and chemical functionalization for various applications are exemplified.Features: Provides focus on the application of 2D semiconductors for environmental applications. Covers the fundamental understanding of material design, fabrication, defect engineering, physical and chemical properties of 2D semiconductors, and their advantages for environmental applications. Focuses on the reliable future perspectives and developments that lead to advanced research in utilizing 2D materials for large-scale exploration and commercial deployment. Explores an in-depth insight into various aspects and processes for environmental remediation. Details the importance of 2D semiconductors over other 0D, 1D, or 3D semiconductors. This book is aimed at researchers and graduate students in materials science and environmental engineering.
2D Transition-Metal Dichalcogenides (Materials Horizons: From Nature to Nanomaterials)
by Abhay Kumar SinghThis book offers to reader a sound understating of two-dimensional Transition-Metal Dichalcogenides (2D TMDs) materials, detailing their physio-chemical mechanisms and technological applications in various areas such as nanoelectronics and optoelectronics. Moving from their invention to their modern developments, including theoretical approaches, experimental interpretations and their technical applications, the book explores the basic concepts of 2D TMDs. It will be of interest to undergraduate and postgraduate students, researchers and scientists working in the area of 2D TMDs. A key goal of this book provides a sound or clear idea about two-dimensional Transition-Metal Dichalcogenides (2D TMDs) materials by providing their sound background, fabrication approaches including interpretations of the inside physio-chemical mechanism including technological applications in various significant areas such as nanoelectronics, optoelectronics, topological insulators, biomedical.
2D and 3D Image Analysis by Moments
by Barbara Zitova Jan Flusser Tomas SukPresents recent significant and rapid development in the field of 2D and 3D image analysis 2D and 3D Image Analysis by Moments, is a unique compendium of moment-based image analysis which includes traditional methods and also reflects the latest development of the field. The book presents a survey of 2D and 3D moment invariants with respect to similarity and affine spatial transformations and to image blurring and smoothing by various filters. The book comprehensively describes the mathematical background and theorems about the invariants but a large part is also devoted to practical usage of moments. Applications from various fields of computer vision, remote sensing, medical imaging, image retrieval, watermarking, and forensic analysis are demonstrated. Attention is also paid to efficient algorithms of moment computation. Key features: Presents a systematic overview of moment-based features used in 2D and 3D image analysis. Demonstrates invariant properties of moments with respect to various spatial and intensity transformations. Reviews and compares several orthogonal polynomials and respective moments. Describes efficient numerical algorithms for moment computation. It is a "classroom ready" textbook with a self-contained introduction to classifier design. The accompanying website contains around 300 lecture slides, Matlab codes, complete lists of the invariants, test images, and other supplementary material. 2D and 3D Image Analysis by Moments, is ideal for mathematicians, computer scientists, engineers, software developers, and Ph.D students involved in image analysis and recognition. Due to the addition of two introductory chapters on classifier design, the book may also serve as a self-contained textbook for graduate university courses on object recognition.
2D to VR with Unity5 and Google Cardboard
by Roberto DillonThe book provides an up-to-date introduction to the latest version of Unity and its workflow by guiding readers through various prototypes. These range from 2D to 3D game concepts for PC and mobile, will allow readers to get acquainted with several important concepts and allow them to become competent Unity developers able to learn at their own pace. The book starts by introducing Unity and proceeds in building a basic understanding of its main components by developing a first, simple 2D game before proceeding in developing a full casual game to development of a simple but immersive 3D game concept to be tested first on PC before exploring how to port it for mobile VR.using Google Cardboard.
2D-Materials for Energy Harvesting and Storage Applications (Nanostructure Science and Technology)
by Ali Raza Muhammad Ikram Salamat AliThis authored monograph presents the state-of-the-art improvements in 2D materials, focusing on their most significant achievements, as well as recent emergence and potential applications. The book discusses synthetic protocols as well as the structural chemistry and physical properties of various 2D materials and explores their energy-related utilization. The main energy harvesting applications such as piezoelectric generators, solar cells and hydrogen evolution reactions are analyzed, while special focus is also given to the related energy storage technologies such as rechargeable batteries, supercapacitors and wearable energy storage devices. This volume sheds new light on 2D materials and their applications and will be a useful tool for graduates and academics working in the fields of materials science, materials physics and chemistry.
2Do Before I Die: The Do-It-Yourself Guide to the Rest of Your Life
by Michael Ogden Chris DayWhat's on your list? Do you dream of writing a novel someday? or of recording an album of your own music? Would you spend a month backpacking through China if you could? Have you always secretly wanted to try skydiving? or snorkeling? or snowboarding? Whatever your personal goals or aspirations, no matter how humble or highfalutin, this revolutionary interactive handbook will help you jump-start life changes, and experience this world to the fullest. Perhaps your life is in transition-and, after all, whose isn't? Whether you're changing careers, planning for retirement, or just starting out after graduating from school... Whether you're plotting to make your mark on the world, contemplating how you might best contribute, or simply wondering what's next in your life... 2Do Before I Die will help you set personal priorities, identify life goals, and realize your dreams. Less "how to" than "why not," 2Do Before I Die features eye-opening true stories of people who've changed their lives significantly in small ways (by learning to swim, growing a beard, working in a soup kitchen) or taken great, life-altering leaps (by starting a business, having a baby, traveling the world). With its provocative brainstorming exercises and ingenious practical tips, 2Do Before I Die encourages and enables you to create your own ultimate 2Do list-one that can serve as your personal road map toward a uniquely rich life.
2Pac vs Biggie: An Illustrated History of Rap's Greatest Battle
by Jeff Weiss Evan McGarveyHip hop icons and rap innovators, the Notorious B.I.G. and Tupac Shakur continue to influence, define, and change the genre years after their deaths. Despite the controversies surrounding the murders of Tupac and Biggie, ultimately it’s their art that remains their biggest legacy. The music of Biggie Smalls and 2Pac has inspired the likes of Jay-Z, Kanye, Eminem, Dr. Dre, Lil Wayne, Rick Ross and more. The legacies of Tupac Shakur and Christopher Wallace—a.k.a. The Notorious B.I.G. —live on. So does their rivalry, one of the greatest in music history. In 2pac vs. Biggie, hip hop experts Jeff Weiss and Evan McGarvey take an entirely new approach to investigation of that rivalry. Rather than focus on the countless conspiracy theories, they study the artist as artists, dissecting the lyrics of their hits (“California Love,” “All Eyez on Me,” “Changes” for 2pac, “Mo Money Mo Problems,” “Hypnotize,” “Big Poppa” for Biggie) and lesser-known works, performance and rhythmic styles, aesthetic appearances and what those meant, rises to power, and of course, their lives after death. The feud between 2pac and Biggie is broken down and looked at from all new angles, bringing to light little-known and surprising sides to each rapper’s persona and inner world. Illustrated throughout with photographs, memorabilia, and artwork inspired by Tupac and Biggie, and with insert “versus” pages dissecting topics such as each artist’s presence in movies, critical reception, and literary influences, this book is a must-have for all rap and hip hop fans.
2U: Higher Education Rewired
by Karim R. Lakhani Yael Grushka-CockayneIn its 2019 Partner Symposium, 2U, an online program management provider (OPM), showcased its new vision: "Career. Curriculum. Continuum. A construct for lifelong learning in the 21st century". 2U, founded in 2008, and went public in 2014, was looking to expand beyond their current degree offerings to include a wider range of programs, such as short courses, bootcamps, and professional certificates. Led by co-founder and CEO Chip Paucek, 2U believed that they were the strongest partner in the OPM market that could enable universities' digital transformation, allowing them to offer a variety of courses to a changing student profile. The universities, on the other hand, recognized that times were changing and that the appeal of a residential experience might be dwindling. Pressures of offering a more flexible learning format were mounting. Some schools were engaging in partnerships such as with 2U to get themselves online while others saw digital and online as the next evolution of instruction and that it was their responsibility to learn how to master it and own it. The case considers Paucek's challenge of leading a for-profit OPM. Was 2U growing in a way that risked alienating their most important stakeholders, the brand named universities themselves? Were the university leaders going to change their approach and start investing in the digital transformation themselves to avoid giving 2U a cut of their revenues?
2am Thoughts: Poetry That Condenses An Entire Relationship Into A Single Day
by Makenzie Campbell'This was a journey of nostalgia. I was swept up in memories of first love, first heartbreak, and healing, all within the span of one evening'Courtney Peppernell, author of Pillow ThoughtsToday I inked my skin with your nameNot because I like the look and not because I love youI got a tattoo because I enjoy the feeling of knowing it will never leave me even if you decide to.The poetry of 2am Thoughts condenses an entire relationship, with all its untamed emotions and experiences, into a single day. As the long hours of the night drag on, we experience the obsession, fear, neuroticism, and the deep, universal longing for love.All I’ve ever wanted is to feel wanted by you. When the dawn breaks, the morning sun brings acceptance, healing, and recovery.One day you too will have stopped searching strangers’ eyes for companionship. You won’t lie in a cold bed with nothing but dark thoughts to warm you. You will not order a pizza for yourself in an empty apartment.One day you will look into your lover’s eyes…You will no longer feel alone.