BC SCIENCE
Saved by @jacobhtml

I think I've permanently confused KiCAD
it's reminding me that I need to connect this capacitor to Nothing

 attach this end to ground, this end to +5v, and this end to THE VOID
I accidentally made all the capacitors gigantic and they won't fit anymore

halp
gonna design an ISA card using some of these

it's gonna be tricky to fit in the case
that's from this video:
https://t.co/FyMofzOFEX
those kicad motherfuckers
they have an ISA footprint but it doesn't show up when you search for "ISA" because they called it BUS_AT despite it being clearly called "ISA" since THE LATE 80s
and even worse, it's actually the AT bus

The full AT bus, the 16bit extension to the 8bit PC/XT bus!
but surely they included the PC/XT bus as well, since it's just a minor variation of the AT bus, right? You'd just need to make the same design but slightly smaller?
1. no, because
2. fuck you
gotta do it myself like some kind of caveman
ok, finally I can update the ratsnest and fix my board and OH GOD WHAT HAPPENED
apparently I have now fixed the issue of connecting to the void at the expense of every single item on the board deciding to roll scatter dice
I thought I'd quickly google "what size are ISA mounting bracket holes?" and it quickly led me to JOGGLE TABS by GOMPF BRACKETS and I think I wandered into the part of the internet that's generated by markov chains
FUCKING SHIP IT
hang on I'm doing an update of all my symbols & footprints & 3d models.
this will fix and/or cause all my problems
does all software have to constantly gaslight me?
look at this.
it's the wrong 3D library, as that's just the footprint not the socket. I don't even know if here's a socket, so I'd like to look.
See the 3D model path? it's in Package_LCC.3dshapes
so I hit BROWSE and scroll to package_...

there's no LCC
there's no LCC and yet it apparently is working?
even though it doesn't exist?
HOW? WHY?
(my guess is that either it's being cached and doesn't exist anymore (or has been moved), or it's aliased from somewhere else, or autogenerated from the footprint, or any number of things)
but the end user experience is that it makes you think you're going fucking insane
amusingly if I google for "PLCC-68_THT-Socket.wrl" there's two results:
1. the source for kicad which points at this non-existent file
2. @TubeTimeUS's PlaidBib project which points at "Housings_LCC.3dshapes/PLCC-68_THT-Socket.wrl", which is a slightly different path!
which also doesn't exist.
so I'm guessing the answer is that there is no WRL file for this part and this is just a placeholder for in case anyone ever makes one, and it's instead just getting autogenerated from the footprint
computers are one of those fun subjects where the more you learn about them, the more you hate them
oh no

updating the libraries brought back the void
https://t.co/Sunhq9SZuH
FINE
YOU WANT ME TO CONNECT TO THE VOID?
I'LL DO IT. BUT I'LL DO IT RIGHT.
THERE.
We've got out power connectors.
5 volts
ground
and the fucking VOID
pins 11, 10, 9, and 7?

connect them to the void.
mmm, tasty.
https://t.co/6pHY6xZkCZ
fun fact: I couldn't remember how I'd phrased that one and searching "the void" didn't find it, so I had to google "the void drinks machine" and it found a couple reddit posts that screenshotted the tweet and cropped off my name, so I then could search for "diet coke" and find it
less fun fact: that shitpost is probably the most popular thing I ever ever done, and it's all because of people reposting the screenshot without credit!
I seriously only opened up this PCB editor so I could do a shitpost followup to something I said last night and now it's 2 hours later and I'm mostly done setting up a 4-drive floppy controller
why
people like to complain about ADHD keeping you from getting anything done, or only letting you concentrate on "pointless" things like games and TV shows, and that's definitely a big part of it
but the other side is that sometimes you CAN CONCENTRATE and you can do it VERY WELL and FOR A LONG TIME but you have zero ability to control what you're concentrating on
I wanted to wake up and make a quick joke on twitter and then go get some coffee and start the day and NOPE
TWO HOURS LATER I'M DESIGNING A FLOPPY DISK CONTROLLER
JLCPCB here I come
OK I know that one won't work. There's too many overlapping parts.

I fixed it now. This'll work.
I did this one manually but I have seriously considered writing a plugin for kicad that goes through every part and picks a random orientation out of 360 degrees and applies it
and by "manually" I mean I clicked each part and adjusted the properties.
Obviously I let a computer generate the randomness, I'm not a barbarian.
this may be a tad hard to route, though
I'm pretty sure if I pointed an autorouter at this my computer would collapse into a black hole
especially since I have all these pads I need to connect to THE VOID
done routing the ground.
I decided not to use a ground plane fill. it's too easy.
I'm just gonna do point-to-point traces for all the ground points
I may need more than 2 layers
hey what if I just give every major component their own layer?
kicad only supports up to 32 layers, but that should be enough

More from foone

foone
foone
@Foone
So I got out some CF cards and noticed something odd about this one. Do you see the weirdness?


How the fuck is a CF card "USB Enabled"?


So CF cards are a weird beast that act as either a PCMCIA card or an ATA/IDE card depending on a mode pin.

They're definitely not USB.

And it's not like that weird SanDisk card I have which you can fold in half and plug it in as a USB device.


It turns out the reason for "USB Enabled" is because it's a Lexar drive from the jumpSHOT era.
This is a normal CF card in most cases, you can use it in normal CF card readers and such
FUN
foone
foone
@Foone
An interesting set of games that I've been vaguely interested in since I was a kid, after seeing one at a friend's house and never being able to find it again, was the BATTLES IN A DISTANT DESERT/BATTLES ON DISTANT PLANETS series.


These are turn-based wargames for windows 3.x, sharing the same engine.
Battles in a Distant Desert is from 1992, and is based on the first Iraq war (Desert Storm)


and Battles on Distant Planets is from 1991, and takes place in SPACE!
I'm pretty sure this is the one I played as a kid.


They've got 3 options to play with:
* Player vs. Player
* Player vs. Computer
* Computer vs. Computer

So it's a 0-2 player game!


They also did a DOS strategy game called "STARDATE 2140.2: GALACTIC CONQUEST" in 1990, but it seems to be lost.
All the games share an experimental AI system based on neural networks.
FUN
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foone
foone
@Foone
I went looking for a remote-controlled power switch (the wireless christmas kind, not the modern IoT kind) and didn't find it, but I did find this thing I bought just to figure out why it exists.
It's a timer outlet, but you program it from your phone... but it's not wireless.


Yeah instead it plugs into your phone's HEADPHONE PORT


I got it on sale.
probably because iphone dropped the headphone port and they had to get with the 21st century and make it bluetooth


So inside the box is the device. it's got a little 2-prong polarized outlet with no ground.


on top is the only controls: on/off/timer.
TECH
foone
foone
@Foone
maybe it's just leftover urges from being a toddler putting round pegs in square holes but every time I see a video card like this on ebay I want to buy it and also some RAM chips to fill it with


when I win the lottery I'm gonna buy all of these and a bunch of RAM chips, put them together, and then relist them right back onto ebay


I have a dream that one day all the super VGA cards on ebay will have full ram expansion sockets


that's a nice VLB video card you have there
be a real shame if someone were to UPGRADE ITS RAM


huh, I don't think I've ever seen RAM in that package
QFP DRAMs?
TECH
foone
foone
@Foone
So Sony has this format called Optical Disc Archive, right? It's a high-density storage cartridge, but it turns out it works by cheating.


because if you open it up (which you should never do. trust me on this one)
it turns out... it's blu-ray.


it's a big STACK of blu-ray


And the idea is that Sony built some very complicated drive which you can slot this cartridge into, and it'll open it up and grab out the right disc and just read/write that one

then when you hit the eject button, it shoves the discs back in and closes up the case, and hands you the cartridge.
TECH

More from Science

The Tycoon Mindset
The Tycoon Mindset
@tycoonmindset05
Solara Active Pharma Science con call was today at 3:30 PM.

@Gautam__Baid @unseenvalue @drprashantmish6 @rdkriplani

Here are the key takeaways of the call. 👇🧵

Business Updates:

• Speed of filing products has been increased. Filed 5 new DMFs – 3 in US and 2 in EU
• Currently ramping up the facility in VIZAG with strong customer attraction, and will be commercialized as planned in Q3
• VIZAG EBIDTA growth guidance changed to 40%+ YoY

• Growth Driver: Broad based growth in other products and Vizag.

• PLI: Company has filed Mysore for PLI scheme for 1 molecule.

• Technology: Company is about to complete its 2 out of 3 technology, which will enhance efficiency for Solara.

Demand in some of sectors is moderated:
• Mgmt expected moderation in demand, hence company has taken necessary steps for those products.

Gross Margins:
• It was down a bit due to product mix however.

Fiscal 2022:
• Solara has grown in regulated market space.
• Vizag will kick in. CRAMS will support tailwind.
• Most of the CRAMS is commercial API.

• Most of the product is expected to be stable both in term of demand and price in the coming few quarter
SCIENCE
Carlos E. Perez
Carlos E. Perez
@IntuitMachine
It is astonishing that most of cognitive science ignores an obvious reality. That there are two kinds of humans.

Tomasello has a very credible hypothesis that what distinguishes humans from the great apes is the inclination towards shared intentional behavior. What is innate is the disposition and like personalities, it is what defines our cognition as we grow.

If cognitive preference is so critical in cognitive development then why is it that we seem to have completely ignored the difference in cognitive preferences between men and women?

Humans are that species of primates that wandered out into the savannah. The savannah is different enough from a dense jungle to exert the evolutionary pressures that encourage the development of planning and forecasting skills.

Furthermore, human infants required a disproportional amount of effort to rear. This meant the specialization of roles between women who were responsible for rearing offspring and men who were responsible for bringing home the bacon. Failure in either implied death.
SCIENCE
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Jambavan
Jambavan
@SirJambavan
https://t.co/odzm9VTdwZ

Thread for today. /0

It is fashionable for people to create sympathy to the unseen / unknown organisms. The poor things that can't stand up and fight for their own existence.

It makes for a brilliant narrative. It melts your hearts. And you get to play saviour of the oppressed by outraging. /1

But, for most part, such things are also false.

Amazon are the lungs of the world. Never mind that most of the world's oxygen production happens in open oceans. But these are harmless ones. Of course, we all love to maintain forests.

However, some things are sheer scare mongering.

For instance - take this: coral reefs will be permanently gone if mean / median temperatures raise by 1°C ..

But, really - how? Then you get a lecture on how CO2 will affect calcification.

Dig a bit deeper from another angle+

+ and you find that the earth was much much warmer during the age of Dinosaurs. So much so, that we had cold blooded lizards growing to sizes of buildings. Surely, there must have been tons of CO2 then!

And the ocean temps were quite high too.
SCIENCE
Judy Melinek M.D.
Judy Melinek M.D.
@drjudymelinek
Cognitive Bias in Forensic Pathology Decisions was published today by Journal of Forensic Sciences

From the abstract “We examined all death certificates issued during a 10-year period in the State of Nevada in the United States for children under the age of six.” /2

We also conducted an experiment with 133 forensic pathologists in which we tested whether knowledge of irrelevant non-medical information that should have no bearing on fo- rensic pathologists’ decisions influenced their manner of death determinations. /3

The dataset of death certificates indicated that forensic pathologists were more likely to rule "homicide" rather than "accident" for deaths of Black children relative to White children. /4

“Participants read a vignette describing a not straightforward or simple case in which a 3.5-year-old child was presented to an ED with diminished vital signs and who died shortly after arrival. /5
SCIENCE
Matthew Salganik
Matthew Salganik
@msalganik
Announcing the 2021 Summer Institutes in Computational Social Science. #SICSS is for grad students, post-docs & beginning faculty. Free for participants. @chris_bail and I are happy to tell you about all 20 locations. https://t.co/wolhtZIMc5 [thread]


SICSS brings together social scientists & data scientists interested in computational social science for 1-2 week events with intensive study & collaborative research.

Topics covered include automated text analysis, web scraping, non-probability sampling, digital experiments, ethics & much more.

All education materials created for SICSS are available open-source so that people who are unable to participate can still learn. You can also use them in your teaching. Here are materials from previous years:

Because of COVID, all SICSS locations will be online only in 2021.
SCIENCE

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