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Visit a train station and create a colorful fold-out scene with all your favorite trains. DK Picture Stickers in favorite themes offer great value and hours of sticker fun in a terrific accordion-page format. Kids can create an exciting scene on one of the poster-size spreads, and then pull it out to hang in a bedroom or playroom. Fun facts accompany each reusable sticker.
An interactive reinforcement tool for helping students meet behavioral or academic goals. Students mark goal levels (5-10-15-20-25-30) using the colored rings and insert tokens as reinforcement for appropriate behavior or correct responses.
How does the mind work? How is data stored in the brain? How does the mental world connect with the physical world? The hybrid system developed in this book shows a radically new view on the brain. Briefly, in this model memory remains permanent by changing the homeostasis rebuilding the neuronal organelles. These transformations are approximately abstracted as all-or-none operations. Thus the computer-like neural systems become plausible biological models. This illustrated book shows how artificial animals with such brains learn invariant methods of behavior control from their repeated actions. These robots can make decisions in any circumstances and reason by analogy whenever possible.This new and expanded edition includes a prologue exploring the problems which have stopped the development of fully fledged brain models. The causes of these deadlocks are listed as potential misconceptions about brain principles, neural networks, nervous systems, robotics, programming and decision logic.
This third edition of Token Economy is published as a series of three books: “Money, NFTs & DeFi,” “DAOs & Purpose-Driven Tokens,” and “Web3 Infrastructure.” The purpose of this book – DAOs & Purpose-Driven Tokens – is to explain the institutional impact of blockchain networks and tokenization – both from a theoretical and a practical perspective – with the goal of providing a common understanding of the concept and practice of Web3-based institutions. The history of money and finance, and the impact of Web3 and tokenization on money, real-world assets and financial markets are discussed in the book “Money, NFTs & DeFi.” The technical and political aspects of blockchain networks and core Web3 infrastructure will be discussed in the book “Web3 Infrastructure.” The book critically reflects the concept of DAOs, starting with its first real-world example – the Bitcoin network – and how the groundbreaking cryptoeconomic mechanism behind Proof-of-Work paved the way for a novel type of organization that is steered by purpose-driven tokens and relies on “trust by math” rather than “trust by legal contract.” The first two chapters of this book will explain the concept of Web3-based decentralized organizations – its origins and impact from various perspectives: history, cybernetics, organizational science, political science, economics and complex systems. Since there is no one-size-fits-all solution for the design of DAOs, theory alone will not do justice to the complex nature of this topic. Any meaningful organizational design, including that of the purpose-driven tokens which steer Web3-based institutions, will always depend on the purpose and political principles of said organization/network/Internet community/cooperative. To provide a more tangible approach to the best practices and pitfalls of DAOs, a range of DAO use cases will be analyzed based on a DAO design thinking framework, which was developed specifically for this book. Best practices for designing DAOs and the purpose-driven tokens that steer them are still underdeveloped. Many early use cases lack a sustainable token design to achieve their self-declared purpose, which is why a wide range of purposes were selected to display different purposes a DAO can achieve or aim to achieve, even though some of the use cases selected have considerable design flaws. While all use cases have compelling value propositions, and in some cases even considerable traction, they sometimes display unintended design flaws that contradict the purpose and political principles upon which they were designed. The use cases selected are: P2P money & payment network (Bitcoin), P2P stable token (DAI & MarkerDAO), P2P social networks such as Steemit.com or friends.tech, P2P Telco Network (Helium), P2P Data Exchange (Ocean Protocol), and biodiversity tokens (Rebalance Earth). Except for Rebalance Earth, all use cases have a long track record of protocol evolution. They provide historical data to correlate token design choices to their effects, i.e. power structures that emerged over time, and the long-term success of the protocol/network/organization in question. The analysis of the use cases in the second part of the book is mostly qualitative. Additional quantitative analysis could be carried out as well, but that is not the purpose of this book. Quantitative analysis only makes sense once one understands what needs to be analyzed, and in which context the data should be interpreted. A metric such as a “market cap” or “gross network value” of a token is not significant on its own, if one does not first consider the purpose of the token design, the industry in which the DAO operates, the stakeholder structure, and many other qualitative aspects relevant to different types of DAOs.
*io9's New Sci-Fi and Fantasy Books You Need to Put On Your Radar This Fall From the modern master of alternate history and New York Times bestselling author Harry Turtledove, Through Darkest Europe envisions a world dominated by a prosperous and democratic Middle East—and under threat from the world's worst trouble spot. Senior investigator Khalid al-Zarzisi is a modern man, a product of the unsurpassed educational systems of North Africa and the Middle East. Liberal, tolerant, and above all rich, the countries and cultures of North Africa and the Middle East have dominated the globe for centuries, from the Far East to the young nations of the Sunset Lands. But one region has festered for decades: Europe, whose despots and monarchs can barely contain the simmering anger of their people. From Ireland to Scandinavia, Italy to Spain, European fundamentalists have carried out assassinations, hijackings, and bombings on their own soil and elsewhere. Extremist fundamentalist leaders have begun calling for a "crusade", an obscure term from the mists of European history. Now Khalid has been sent to Rome, ground zero of backwater discontent. He and his partner Dawud have been tasked with figuring out how to protect the tinpot Grand Duke, the impoverished Pope, and the overall status quo, before European instability starts overflowing into the First World. Then the bombs start to go off. At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.