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  • The Noise Protocol Framework
    Noise is a framework for crypto protocols based on Diffie-Hellman key agreement. Noise can describe protocols that consist of a single message as well as interactive protocols.
    Used in WireGuard https://www.wireguard.com/
    Sun May 26 15:05:57 2019 - permalink -
    - http://www.noiseprotocol.org/noise.html
    cryptography reading TODO
  • Idea2IC.html
    IDEAS to INTEGRATED CIRCUITS
    Collection of stories, examples of IC designs and circuits
    Wed May 22 15:50:52 2019 - permalink -
    - http://www.idea2ic.com/
    electronics reading TODO tool
  • Current differencing transconductance amplifier - Wikipedia
    Instead of
    "The CDTA is not free from parasitic input capacitances and it can operate in a wide frequency range due to current-mode operation."
    something like "the CDTA is less sensitive to  parasitic input capacitances..."
    is more appropriate.
    Wed May 22 15:42:40 2019 - permalink -
    - https://en.wikipedia.org/wiki/Current_differencing_transconductance_amplifier
    electronics TODO wikipedia
  • IEC 60050 - International Electrotechnical Vocabulary - Welcome
    The World's Online Electrotechnical Vocabulary
    Wed May 15 19:41:39 2019 - permalink -
    - http://www.electropedia.org/
    on-line physics TODO
  • New Custom Firmware for the PlutoSDR with Several Linux SDR Programs Pre-Installed
    Recently "Lama Bleu" has been working on a custom firmware image for the PlutoSDR. Installing custom firmware allows you to load up a pre-configured Linux system which already has a bunch of useful software installed. He writes that his version is not designed to have a nice GUI, but rather focuses on scripting and data acquisition software.
    Thu Jan 10 18:06:33 2019 - permalink -
    - https://www.rtl-sdr.com/new-custom-firmware-for-the-plutosdr-with-several-linux-sdr-programs-pre-installed/
    Pluto radio software TODO
  • IPFS is the Distributed Web
    A peer-to-peer hypermedia protocol to make the web faster, safer, and more open.
    Tue Dec 25 15:25:35 2018 - permalink -
    - https://ipfs.io/
    filesystem TODO web
  • Font Playground
    See Hack (and other monospaced fonts) live in action!
    Install your fonts locally and they will show up in the dropdown selections.
    Use the dropdown options to modify the typeface, text size, language, and highlighter scheme.
    Wed Nov 7 11:59:27 2018 - permalink -
    - https://sourcefoundry.org/hack/playground.html
    font on-line TODO
  • USB 2.0 9-Pin Header to Dual USB Extension Cable with Panel Mounts (Black) - modDIY.com
    Fri Sep 21 12:59:46 2018 - permalink -
    - https://www.moddiy.com/products/USB-2.0-9%252dPin-Header-to-Dual-USB-Extension-Cable-with-Panel-Mounts-%28Black%29.html?setCurrencyId=3
    electronics hardware TODO
  • gopass is a simple but powerful password manager for your terminal.
    gopass is a rewrite of the pass password manager http://www.passwordstore.org in Go with the aim of making it cross-platform and adding additional features. Our target audience are professional developers and sysadmins (and especially teams of those) who are well versed with a command line interface. One explicit goal for this project is to make it more approachable to non-technical users. We go by the UNIX philosophy and try to do one thing and do it well, providing a stellar user experience and a sane, simple interface.
    https://www.gopass.pw
    Mon Sep 3 16:17:01 2018 - permalink -
    - https://github.com/gopasspw/gopass
    cryptography Go MIT security software TODO
  • Flatpak—the future of application distribution
    Flatpak is a next-generation technology for building and distributing desktop applications on Linux.
    Wed Aug 29 15:19:50 2018 - permalink -
    - https://flatpak.org/
    Linux sandbox software TODO
  • GitHub - unixpunk/PlutoWeb: PlutoWeb
    Collection of programs to run on the PlutoSDR, including the dunp1090 SSR ADS-B receiver, SoapyRemote and OpenWebRX. Can be programmed as image or the programs can be copied onto the PlutoSDR and ran from there.
    See also http://www.rfoverride.com/plutoweb/

    Note that shaarli could add this link on Chromium 68/Ubuntu 16.04.
    Sun Aug 5 01:03:24 2018 - permalink -
    - https://github.com/unixpunk/PlutoWeb
    radio software TODO
  • Robert Smith's repositories
    Found via computable-reals https://github.com/tarballs-are-good/computable-reals, but others such as Quickproject https://github.com/tarballs-are-good/quickproject are interesting as well.
    Mon Jul 16 14:13:46 2018 - permalink -
    - https://github.com/tarballs-are-good?tab=repositories
    common-lisp FOSS lisp software TODO
  • Consulting in mathematics, statistics, and scientific computing
    Apart from the blog, there are technical notes https://www.johndcook.com/blog/writing/ and on-line calculators https://www.johndcook.com/blog/online-calculators/
    As an example, see Camp-Paulson normal approximation to the binomial distribution https://www.johndcook.com/blog/camp_paulson/
    The articles https://www.johndcook.com/blog/2024/04/01/more-laguerre-images/ and
    https://www.johndcook.com/blog/2024/03/22/laguerres-root-finding-method/ demonstrate the basins of attraction for Laguerre's root-finding method.
    https://www.johndcook.com/blog/2018/11/24/spheroid-distance/ should be useful for azel.
    https://www.johndcook.com/blog/2020/02/08/arenstorf-orbit/ shows a periodic solution to the restricted 3-body problem.
    https://www.johndcook.com/blog/2022/11/14/simultaneous-root-finding/ describes the Durand-Kerner polynomial root finding method.
    https://www.johndcook.com/blog/2022/11/01/kepler-newton/ discusses solving Kepler's equation

    TODO: https://www.johndcook.com/blog/2022/10/30/arctan-k-tan-t/ states "This plot looks similar to the plot of true anomaly for a highly elliptical orbit. I’m sure they’re related, but I haven’t worked out exactly how."

    https://www.johndcook.com/blog/2022/10/21/math-origins/ explains V.I. Arnolds comment
    "All mathematics is divided into three parts: cryptography (paid for by CIA, KGB and the like), hydrodynamics (supported by manufacturers of atomic submarines), and celestial mechanics (financed by military and other institutions dealing with missiles, such as NASA)."

    https://www.johndcook.com/blog/2018/09/24/riemann-hypothesis-the-fine-structure-constant-and-the-todd-function/ is about  Sir Michael Atiyah's incorrect proof of Riemann's hypothesis, the article https://rjlipton.com/2018/09/26/reading-into-atiyahs-proof/ is an interesting read. (I had bookmarked this entry on Wed Sep 26 15:51:47 2018 and put it here 2024-04-03.)

    The article https://www.johndcook.com/non_central_chi_square.pdf sounds interesting:
    John D. Cook Upper bounds on non-central chi-squared tails and truncated normal moments (2010). UT MD Anderson Cancer Center Department of Biostatistics Working Paper Series. Working Paper 62.
    Abstract. We show that moments of the truncated normal distribution provide upper bounds on the tails of the non-central chi-squared distribution, then develop upper bounds for the former.
    Mon Jul 9 11:55:42 2018 - permalink -
    - https://www.johndcook.com/blog/
    algorithm Laguerre mathematics numerical physics programming Riemann software TODO
  • PINN Is Not NOOBS - An easy enhanced Operating System installer for the Raspberry Pi
    Fri Jun 29 17:34:54 2018 - permalink -
    - https://github.com/procount/pinn/blob/master/README_PINN.md
    pi raspberry software TODO π
  • Visual Satellite Observer's Home Page
    Information about visual satellite observation.
    Fri Jun 22 16:06:58 2018 - permalink -
    - http://www.satobs.org/satintro.html
    astronomy physics space TODO
  • Setting up Ediff · (or emacs irrelevant)
    Blog entry about changing some settings for ediff, the file compare tool of the Emacs editor.
    Investigate the csetq macro, see also the alternative customize-set-variable suggested in the comments.
    Thu Jun 21 14:36:15 2018 - permalink -
    - https://oremacs.com/2015/01/17/setting-up-ediff/
    editor emacs TODO
  • Upspin · Upspin
    When did you last…
     download a file just to upload to another device?
     download a file from one web service just to upload to another?
     make a file public just to share it with one person?
     accidentally make something visible to the wrong people?
    Upspin is an attempt to address problems like these, and many more.

    Upspin is in its early days, but the plan is for you to manage all your data—even data you’ve stored in commercial web services—in a safe, secure, and sharable way that makes it easy to discover what you’ve got and who you’ve shared it with.
    Fri Jun 15 22:10:02 2018 - permalink -
    - https://upspin.io/
    FOSS software TODO
  • 3Blue1Brown
    Recommended on MoHP.
    Tue Jun 5 13:56:45 2018 - permalink -
    - http://www.3blue1brown.com/
    mathematics TODO video
  • A new way of blogging about Common Lisp
    Klipse https://github.com/viebel/klipse
    allows to interactively edit and run programs written in
    Common Lisp, javascript, clojure[script], python, brainfuck, scheme
    in a Javascript-enabled web browser.
    Ironically, it does not seem to work with Firefox 52.6.0 (64-bit)/Windows 7.
    Tue May 8 14:10:11 2018 - permalink -
    - http://blog.klipse.tech/lisp/2018/05/07/blog-common-lisp.html
    blog JavaScript language lisp on-line programming Scheme TODO web
  • Convenient End-to-End Encryption for E-Mail
    Autocrypt is a set of guidelines for developers to achieve convenient end-to-end-encryption of e-mails. It specifies how e-mail programs negotiate encryption capabilities using regular e-mails.

    For users, Autocrypt Level 1 offers single-click, opt-in encryption, eases encrypted group communications, and provides a way to setup encryption on multiple devices.
    Mon May 7 15:50:53 2018 - permalink -
    - https://autocrypt.org/index.html
    cryptography security software TODO
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