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39 results tagged computer  ✕
Quantum teleportation http://www.bris.ac.uk/news/2019/december/quantum-teleportation.html
Fri 03 Jan 2020 02:38:58 PM CET
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In one of the breakthrough experiments, researchers at the University of Bristol’s Quantum Engineering Technology Labs (QET Labs) demonstrate the quantum teleportation of information between two programmable chip for the first time, which they remark is a cornerstone of quantum communications and quantum computing.

Quantum teleportation offers quantum state transfer of a quantum particle from one place to another by utilising entanglement. Teleportation is not only useful for quantum communication but is a fundamental building-block of optical quantum computing. Establishing an entangled communication link between two chips in the lab however has proven to be highly challenging.

“Each chip was then fully programmed to perform a range of demonstrations which utilise the entanglement.

“The flagship demonstration was a two-chip teleportation experiment, whereby the individual quantum state of a particle is transmitted across the two chips after a quantum measurement is performed. This measurement utilises the strange behaviour of quantum physics, which simultaneously collapses the entanglement link and transfers the particle state to another particle already on the receiver chip.”

article communication computer quantum research
KeyMouse® - The Keyboard and Mouse Re-invented! https://www.keymouse.com/
Sat 24 Aug 2019 01:51:40 PM CEST
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Keyboard and Mouse re-invented! Keep your hands in typing position while moving the mouse. High speed Bluetooth + USB.

computer hardware homepage
“Magic: The Gathering” is officially the world’s most complex game https://www.technologyreview.com/s/613489/magic-the-gathering-is-officially-the-worlds-most-complex-game/
Tue 07 May 2019 10:17:14 PM CEST
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A new proof with important implications for game theory shows that no algorithm can possibly determine the winner.

algorithm article computer science
Randomness is hard: learning about the Fisher-Yates shuffle algorithm & random number generation https://medium.com/@oldwestaction/randomness-is-hard-e085decbcbb2
Wed 21 Nov 2018 08:43:07 AM CET
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In “The Danger of Naïvete,” Jeff Atwood explains that the reason the naive shuffle algorithm is biased (and fundamentally broken) is because it overshuffles the cards in the deck by selecting each card’s swap from the entire deck every time. This means that some cards are getting moved multiple times!

The image shows naive shuffle vs. Fisher-Yates shuffle, 1 million tries on a 6-item set. On the X axis there are the different possible final combinations, while the Y axis reports the count for each combination.

image

algorithm computer random_numbers
Software disenchantment http://tonsky.me/blog/disenchantment/
Mon 24 Sep 2018 08:58:04 AM CEST
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I’ve been programming for 15 years now. Recently our industry’s lack of care for efficiency, simplicity, and excellence started really getting to me, to the point of me getting depressed by my own career and the IT in general.

Modern cars work, let’s say for the sake of argument, at 98% of what’s physically possible with the current engine design. Modern buildings use just enough material to fulfill their function and stay safe under the given conditions. All planes converged to the optimal size/form/load and basically look the same.

Only in software, it’s fine if a program runs at 1% or even 0.01% of the possible performance. Everybody just seems to be ok with it. People are often even proud about how much inefficient it is, as in “why should we worry, computers are fast enough”...

article computer development programming software
SystemsApproach/book: Meta-data and Makefile needed to build the book. Main starting point. https://github.com/SystemsApproach/book
Sun 02 Sep 2018 04:53:15 PM CEST
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Meta-data and Makefile needed to build the book. Main starting point. - SystemsApproach/book

book computer networking online
Understanding L1 Terminal Fault aka Foreshadow: What you need to know https://www.redhat.com/en/blog/understanding-l1-terminal-fault-aka-foreshadow-what-you-need-know
Sun 02 Sep 2018 04:50:03 PM CEST
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L1 Terminal Fault/Foreshadow explained in ~three minutes For a more detailed technical view of L1 Terminal Fault, please see this deeper dive with Jon Masters.

architecture article computer security
Mellite https://sciss.github.io/Mellite/
Sun 12 Aug 2018 12:12:32 AM CEST
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Mellite

computer music opensource
Ringing in 2017 with 90 hacker-friendly single board computers http://linuxgizmos.com/ringing-in-2017-with-90-hacker-friendly-single-board-computers/
Mon 27 Mar 2017 10:46:18 PM CEST
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Our New Year’s guide to hacker-friendly single board computers turned up 90 boards, ranging from powerful media playing rigs to power-sipping IoT platforms.

Community backed, open spec single board computers running Linux and Android sit at the intersection between the commercial embedded market and the open source maker community. Hacker boards also play a key role in developing the Internet of Things devices that will increasingly dominate our technology economy in the coming years, from home automation devices to industrial equipment to drones.

This year, we identified 90 boards that fit our relatively loose requirements for community-backed, open spec SBCs running Linux and/or Android. This is up from 81 boards in our similar catalog of hacker boards, posted June 1, which was followed later that month by a survey in which readers picked their favorite boards. A year ago in our New Year’s catalog we showcased 64 boards, up from 53, 40, and 32 entries in our previous reports.

Our annual winter round-up does not include a reader survey, which acts as a mid-year update, but below you will find individual summaries of all 90 SBCs with the most recent prices and updates. We also supply links to LinuxGizmos coverage and project websites, plus an extensive comparison table of major features of all 90 boards.

article blog computer list review sbc tech
PULPino, Bologna e Zurigo insieme per un processore open-source a basso consumo | Hardware Upgrade http://www.hwupgrade.it/news/cpu/pulpino-bologna-e-zurigo-insieme-per-un-processore-open-source-a-basso-consumo_61909.html
Tue 05 Apr 2016 02:46:20 PM CEST
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article blog computer hardware locale:it opensource
Computer Science Unplugged http://csunplugged.org/
Mon 18 Jan 2016 12:09:05 AM CET
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Free activities for classroom or home

CS Unplugged is a collection of free learning activities that teach Computer Science through engaging games and puzzles that use cards, string, crayons and lots of running around.

The activities introduce students to Computational Thinking through concepts such as binary numbers, algorithms and data compression, separated from the distractions and technical details of having to use computers. Importantly, no programming is required to engage with these ideas!

CS Unplugged is suitable for people of all ages, from elementary school to seniors, and from many countries and backgrounds. Unplugged has been used around the world for over twenty years, in classrooms, science centers, homes, and even for holiday events in a park!

The material is available free of charge, and is shared under a Creative Commons BY-NC-SA licence, which makes it easy to copy, adapt and share it.

computer online teaching
Glossario Informatico Termini e Definizioni - NoTrace http://www.notrace.it/glossario/
Mon 31 Aug 2015 02:54:11 PM CEST
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Glossario Informatico Significato cosa vuol dire Definizione termine, sicurezza

computer dictionary locale:it
Disclaimer - Lamentazioni http://www.lamentazioni.org/blog/
Thu 20 Aug 2015 01:37:17 PM CEST
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blog computer funny
Purism | Beautiful Freedom. https://puri.sm/
Mon 13 Jul 2015 08:52:10 PM CEST
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computer hardware opensource privacy shopping
RIOT - The friendly Operating System for the Internet of Things http://www.riot-os.org/
Mon 25 May 2015 12:19:01 PM CEST
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computer distributed_systems embedded iot operating_system platform
Internet of Things: Is VPN a False Friend? - Clemens Vasters. - Site Home - MSDN Blogs http://blogs.msdn.com/b/clemensv/archive/2013/06/03/internet-of-things-is-vpn-a-false-friend.aspx
Mon 06 Apr 2015 01:55:46 PM CEST
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article computer iot networking security
SANTECH Notebook http://www.santech.eu/
Mon 16 Feb 2015 10:18:10 PM CET
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SANTECH S.r.l. is a young and dynamic company specializing in the assembly of notebooks, founded by a group of entrepreneurs with the passion, extensive experience and a significant presence in the IT business.

computer hardware shopping
Graphviz | Graphviz - Graph Visualization Software http://www.graphviz.org/
Wed 28 Jan 2015 12:31:29 AM CET
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Graphviz is open source graph visualization software. Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. It has important applications in networking, bioinformatics, software engineering, database and web design, machine learning, and in visual interfaces for other technical domains.

computer graph opensource software
TaskJuggler - A Free and Open Source Project Management Software - About TaskJuggler http://www.taskjuggler.org/
Wed 28 Jan 2015 12:21:36 AM CET
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Project Management beyond Gantt Chart Drawing

TaskJuggler is a modern and powerful, Free and Open Source Software project management tool. Its new approach to project planning and tracking is more flexible and superior to the commonly used Gantt chart editing tools.

TaskJuggler is project management software for serious project managers. It covers the complete spectrum of project management tasks from the first idea to the completion of the project. It assists you during project scoping, resource assignment, cost and revenue planning, risk and communication management.

TaskJuggler provides an optimizing scheduler that computes your project time lines and resource assignments based on the project outline and the constraints that you have provided. The built-in resource balancer and consistency checker offload you from having to worry about irrelevant details and ring the alarm if the project gets out of hand. The flexible as-many-details-as-necessary approach allows you to plan your project as you go, making it also ideal for new management strategies such as Extreme Programming and Agile Project Management.

command_line computer project_management
OpenShot Video Editor | Simple, powerful, and free video editor for Linux! http://www.openshot.org/
Fri 11 Apr 2014 11:09:51 PM CEST
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A simple, powerful, and free open-source video editor for Linux with a focus on usability, flexibility, and style.

computer editor linux multimedia opensource video
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