I have just brought back to life another old watch in my collection. Havent used it in years but this one is somewhat special. It represents time with just an hour hand which sweeps only once every 24 hours.
The inner circle represents day night cycle, when the hand is in the dark area the sun is down. The small outer ring represents when the moon is visible or not. The small circle near the bottom represents the moons phase.
This is a cool study and raises some questions:
Study of #COVID19 clusters associated with fitness dance classes in South Korea. Interestingly, participants in yoga and Pilates classes sharing the same venue were not infected. Vigorous exercise in enclosed spaces is risky, even in small groups.
https://twitter.com/DrZoeHyde/status/1261980479240036358?s=20
I wanted to kick off the #QotoJournal hashtag by sharing a free open-source book I started writing some time ago...
I started writing a book in an attempt to help explain how to do circuit analysis by hand. Originally it was going to include both time-domain analysis as well as frequency-domain analysis. The book is incomplete and I never got to cover the time-domain but has several complete examples showing frequency-domain analysis on many common circuits. I’ve gotten some compliments over the years, particularly from HAM radio operators, on how useful the book has been to them. I’d like to share here what I have so far in case anyone might find it useful.
As a side note if anyone would like to revive the project and work with me on expanding and completing the book it would be most welcome. Please feel free to contact me. In the meantime here is the compiled book in its current form. I don’t currently have the latex source code published anywhere but if there is any interest I will happily publish it and open-source it on github.
Here is a direct link to the book: https://discourse.qoto.org/uploads/short-url/tFY6qFBUnmFFVdnBErQ8mJdZuBF.pdf
You can also view the book as a feed in my blog here: http://jeffreyfreeman.me/frequency-domain-circuit-analysis-tutorial/
If you wish to comment or discuss it there is a discourse post for it here: https://discourse.qoto.org/t/frequency-domain-circuit-analysis-tutorial/41
#ElectricalEngineering #Electronics #Science #HamRadio #Radio #RF #math #mathematics
I got bored so i wanted to see if we could remember how to represent a multilayer perceptron using linear algebra. I think i summed it up fairly well.
Relevant ones highlighted in yellow.
1. Compartilhar -- Share (with other apps);
2. Copiar -- Copy (to system clipboard);
I was thinking about the usefullness of this feature, and thought you could consider it?
Thank you!
And maybe @a1batross might consider adding this to Husky as well -- Thank you also.
@nolan Feature Request for Pinafore :
Could you consider adding a context menu option to a Toot -- offering Save, or Share, or Copy possibly?
Useful to recover good info from DMs, which I could import into our Forum for permanent records for example. I woudl like this feature, and found it is implemente in Fedilab.
Screenshots attached. (all menus in Portuguese)
The screenshot with possible options, lots of them.
@design_RG @freemo 1/2
This new grey ink im using is kinda nice. It is holding up pretty well and has a nice contrast.
Ya know... looking back on the various algorithms I invented I'm not really sure how much of it is luck (trial and error) and how much of it comes from knowledge (math, algorithms, etc)... I have invented a few fairly well used algorithms that are novel and performant that were systematic trial and error in the end and don't resemble my original plans on paper at all. I have others that are a mathematical symphony that just git together well from the first go.
Then again I only create new algorithms when I'm learning new ideas or revisiting them, usually inspired by the thought process it takes for me to understand an idea and apply it in other somewhat abstract ways. So maybe invention is just an extension of learning in a way. Afterall i often find when I am learning I try to predict the next logical step, such as with math. Which is sort of like inventing the idea yourself if you haven't turned the page in the textbook yet to get the answer.
Perhaps the people who are inventors of anything are also the ones who learn through exploration rather than just repetition.
Feta and Black Olives salad, a fave on the Café at the middle of rides.
Flavour, Energy, light and easy on digestion. Back on bike with added energy.
Espresso too, perfect, as expected from an Italian family. #xp #cycling #food
Recipe and great photos - https://whoneedsacape.com/2016/03/feta-olive-salad/
so I just tried some imported Bulgarian Feta for the first time.
It was really really good. Still had the sharp taste of feta, and a similar crumbling texture. But it was creamier, you could taste the milkyness just a bit more (even though it was firm like feta).. It had some strange but delicious flavors I couldnt really place.. My whole breakfast was a few cubes of feta and 2 pieces of the jerky I made (trying to go low-carb, maybe keto)... Really nice!
@freemo As a non-sequitur, here is an unrelated graph explaining the Dunning-Kruger Effect, shorthand for “incompetent people think they’re much better than they actually are”. ![]()
New branch of particle physics maybe... Exciting!
https://www.quantamagazine.org/milestone-evidence-for-anyons-a-third-kingdom-of-particles-20200512/
I have a feel a psychologist would have a thing or two to say if they saw my self-written exemplar I use when practicing my Copper plate script...
Jeffrey Phillips Freeman
Innovator & Entrepreneur in Machine Learning, Evolutionary Computing & Big Data. Avid SCUBA diver, Open-source developer, HAM radio operator, astrophotographer, and anything nerdy.
Born and raised in Philadelphia, PA, USA, currently living in Utrecht, Netherlands, USA, and Thailand. Was also living in Israel, but left.
Pronouns: Sir / Mister
(Above pronouns are not intended to mock, i will respect any persons pronouns and only wish pronouns to show respect be used with me as well. These are called neopronouns, see an example of the word "frog" used as a neopronoun here: http://tinyurl.com/44hhej89 )
A proud member of the Penobscot Native American tribe, as well as a Mayflower passenger descendant. I sometimes post about my genealogical history.
My stance on various issues:
Education: Free to PhD, tax paid
Abortion: Protected, tax paid, limited time-frame
Welfare: Yes, no one should starve
UBI: No, use welfare
Racism: is real
Guns: Shall not be infringed
LGBT+/minorities: Support
Pronouns: Will respect
Trump: Moron, evil
Biden: Senile, racist
Police: ACAB
Drugs: Fully legal, no prescriptions needed
GPG/PGP Fingerprint: 8B23 64CD 2403 6DCB 7531 01D0 052D DA8E 0506 CBCE