Sin Updated +Created
Social media as a public utility Updated +Created
Unicode art Updated +Created
Dedekind cut Updated +Created
Empirical formula Updated +Created
Machine learning YouTube channel Updated +Created
Quantum field theory in a nutshell by Anthony Zee (2010) Updated +Created
ISBN-13: 978-0691140346
lecture 1 mentions that this book is quick and dirty, as one might guess from the title. Ciro Santilli thinks he's gonna like this one.
First edition: from 2003, www.amazon.com/dp/0691010196, ISBN-13: 978-0691010199.
Selective breeding Updated +Created
Viscosity Updated +Created
2022 Nobel Prizes in Economics Updated +Created
British company Updated +Created
Density Updated +Created
Internet privacy Updated +Created
Kinnu Updated +Created
App-only as of 2023, i.e. for children.
Humans make the table of contents, and then AI fills it. Ciro was thinking about doint the exact same thing at some point, maybe starting from Wikipedia categories.
Share Internet via Ethernet cable Updated +Created
E.g. to give Compueter 2 Internet in a setup like:
Internet --- Wi-Fi --- Computer 1 --- Ethernet --- Computer 2
Can be tested e.g. by turning off Wi-Fi from Computer 2 if it has one.
Step function Updated +Created
Sulfur Updated +Created
Two Minute Papers Updated +Created
The approach of this channel of exposing recent research papers is a "honking good idea" that should be taken to other areas beyond just machine learning. It takes a very direct stab at the missing link between basic and advanced!
Cool data embedded in the Bitcoin blockchain / Eternity Wall Updated +Created
This website used to allow embedding text messages with OP_RETURN, here's an archive from 2015: web.archive.org/web/20150718052659/http://eternitywall.it/
As of January 2024, it seems to read-only mode, where it simply indexes matching transactions that were made via other means: web.archive.org/web/20230929075331/https://eternitywall.it/
There were 3191 hits for the search term:
git grep '\bEW '
in our data starting with tx a3b3af21514bd79a4cbcac9916a8514636a72d813539192214542fd85247082e (2015-06-24):
EW Eternity wall is live
up to the last entry on tx 28820bc14cf2cfda58ecbc9ac6df3f41a1cb90f4246543f01ba42a5e9dac3cf8 (2023-06-15)
EW May our friendship endure, signed by hg, kty, wjj, and xyz.
no doubt initials of 4 Chinesepeople. A blood brother oath comes to mind, akin to the Oath of the Peach Garden. Will these four be the ones to take down the evil dictator Xi Jinping?
The very first message gives away the name of what we assume is a web-based upload system, "EW" being its advertisement signature added to every message.
Running bitcoin-cli:
bitcoin-core.cli getrawtransaction a3b3af21514bd79a4cbcac9916a8514636a72d813539192214542fd85247082e true
shows that the messages are encoded with OP_RETURN:
  "vout": [
    {
      "value": 0.00000000,
      "n": 0,
      "scriptPubKey": {
        "asm": "OP_RETURN 455720457465726e6974792077616c6c206973206c697665

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