the Tricorder project - Science Tricorder Mark 2 The Science Tricorder Mark 2 was a wonderful adventure of discovery to develop. It's my pleasure to be able to share it with you. To introduce you to the Tricorder project, I'd like to begin with a story from the development of the very first Tricorder that I built. The first educational discoveries with the Tricorder came only moments after completing it, and walking about the workshop to "see what can't be seen". More educational discoveries came quickly — from finding all the heat leaks from different building materials in my graduate student apartment in a century home, to how much humidity is exhaled in a breath. Again, it is my pleasure to be able to share this with you. Sensors The Science Tricorder Mark 2 prototype sensor board contains ten different sensing modalities, organized into three main categories: atmospheric sensors, electromagnetic sensors, and spatial sensors. Sensiron SHT11 Atmospheric Temperature and Humidity 0 to 100% RH, ± 3% accuracy ± 0.1% repeatability
Human–computer interaction A woman teaching girls in Afghanistan how to use computers. Human use of computers is a major focus of the field of HCI. Because human–computer interaction studies a human and a machine in conjunction, it draws from supporting knowledge on both the machine and the human side. Poorly designed human-machine interfaces can lead to many unexpected problems. HCI Goals[edit] HCI (Human Computer Interaction) aims to improve the interactions between users and computers by making computers more usable and receptive to users' needs. A long term goal of HCI is to design systems that minimize the barrier between the human's mental model of what they want to accomplish and the computer's understanding of the user's task. Professional practitioners in HCI are usually designers concerned with the practical application of design methodologies to real-world problems. Differences with related fields[edit] Three areas of study have substantial overlap with HCI even as the focus of inquiry shifts. 1. 2. 3.
Wikipedia’s Next Big Thing: Wikidata, A Machine-Readable, User-Editable Database Funded By Google, Paul Allen And Others Wikidata, the first new project to emerge from the Wikimedia Foundation since 2006, is now beginning development. The organization, known best for its user-edited encyclopedia of knowledge Wikipedia, recently announced the new project at February’s Semantic Tech & Business Conference in Berlin, describing Wikidata as new effort to provide a database of knowledge that can be read and edited by humans and machines alike. There have been other attempts at creating a semantic database built from Wikipedia’s data before – for example, DBpedia, a community effort to extract structured content from Wikipedia and make it available online. The project’s goal in developing a semantic, machine-readable database doesn’t just help push the web forward, it also helps Wikipedia itself. Wikidata will also enable users to ask different types of questions, like which of the world’s ten largest cities have a female mayor? Below, an early concept for Wikidata: Dr.
Object-oriented programming - Wikipedia, the free encyclopedia - (Current Session: 1) Overview[edit] Rather than structure programs as code and data, an object-oriented system integrates the two using the concept of an "object". An object has state (data) and behavior (code). Objects correspond to things found in the real world. So for example, a graphics program will have objects such as circle, square, menu. The goals of object-oriented programming are: Increased understanding.Ease of maintenance.Ease of evolution. The overall understanding of the system is increased because the semantic gap—the distance between the language spoken by developers and that spoken by users—is lessened. Object-orientation takes this to the next step. In addition to providing ease of maintenance, encapsulation and information hiding provide ease of evolution as well. An object-oriented program usually contains different types of objects, each corresponding to a real-world object or concept such as a bank account, a hockey player, or a bulldozer. History[edit] A survey by Deborah J.
The Cloud Will Cure Cancer Editor’s note: Mark Kaganovich is founder of SolveBio and a doctoral candidate in genetics at Stanford University. Follow him on Twitter @markkaganovich. Much ink has been spilled on the huge leaps in communications, social networking, and commerce that have resulted from impressive gains in IT and processing power over the last 30 years. Understanding disease and how to treat it requires a deep knowledge of human biology and what goes wrong in diseased cells. New technology is changing research A major challenge thus far has been the difficulty in gaining access to clinical data. Developments in biotechnology over the last 10 years are painting a picture of how the new world of “Big Bio” might come into existence. Sequencing is one of many technologies experiencing a revolution in accuracy and scale. Correlation in the cloud The cloud will make data integration possible, useful, and fast as new types of data appear. Cancer research = Big Bio [image from Moneyball]
Acid3 Acid3 test is a web test page from the Web Standards Project that checks a web browser's compliance with elements of various web standards, particularly the Document Object Model (DOM) and JavaScript. Acid3 was in development from April 2007,[1] and released on 3 March 2008.[2] The main developer was Ian Hickson, a Google employee who also wrote the Acid2 test. Acid2 focused primarily on Cascading Style Sheets (CSS), but this third Acid test also focuses on technologies used on modern, highly interactive websites characteristic of Web 2.0, such as ECMAScript and DOM Level 2. A few subtests also concern Scalable Vector Graphics (SVG), Extensible Markup Language (XML), and data URIs. Controversially,[citation needed] it includes several elements from the CSS2 recommendation that were later removed in CSS2.1,[citation needed] but reintroduced in World Wide Web Consortium (W3C) CSS3 working drafts that have not made it to candidate recommendations yet. The test[edit] Detailed results[edit]
How business taught scientists about big data — Cloud Computing News Google Native Client Web technology developed by Google Portable Native Client (PNaCl) is an architecture-independent version. PNaCl apps are compiled ahead-of-time. PNaCl is recommended over NaCl for most use cases.[6] The general concept of NaCl (running native code in web browser) has been implemented before in ActiveX, which, while still in use, has full access to the system (disk, memory, user-interface, registry, etc.). On 12 October 2016, a comment on the Chromium issue tracker indicated that Google's Pepper and Native Client teams had been destaffed.[7] On 30 May 2017, Google announced deprecation of PNaCl in favor of WebAssembly.[8] Although initially Google planned to remove PNaCl in first quarter of 2018,[8] and later in the second quarter of 2019,[9] it has been removed in June 2022 (together with Chrome Apps).[10][11] An ARM implementation was released in March 2010.[22] x86-64, IA-32, and MIPS were also supported. Native Client is licensed under a BSD-style license. Usage outside of web browsers
How federal money will spur a new breed of big data — Cloud Computing News Science Fiction In Ray Bradbury’s short story “The Veldt,” two children play in their “nursery,” a sort of home holodeck where they can conjure up any scene in which to play. Bradbury always had a wonderfully clunky sort of technobabble; in this case, as the father tells the mother, “it’s all dimensional superreactionary, supersensitive color film and mental tape film behind glass screens. It’s all odorophonics and sonics, Lydia. Here’s my handkerchief.” Naturally, the nursery never shipped. Most concept devices, like last week’s eye-mounted display from Google, are works of imagination, and are usually good or bad concepts according to how well they manage the aspect of practicality. What was “The Veldt” about? There’s no reason to suggest that Google’s Project Glass video is any different from the many concept videos we’ve seen in the past. How often does a product come out that didn’t have some ugly, bulky precursor? A brief tangent, if the reader will permit it. It must be refreshing sight.