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agressive marketing to go viral and get subscriptions fast (it means easy paperwork and possibility to import your profile from linkedin), and focus on niche or specific jobs thematic where people know how convenient are simple tools.

At this point just keep going with circle wafers.


I guess "black hole awaken" is a more attractive headline than "black hole fart" !

It's really cool to see that we have so much instruments, we can actually monitor (a very small part) of the universe activity.


A more correct title is "Galaxy brightens and scientists suspect it might be due to the galaxy's black hole"

There is no direct evidence the black hole is doing anything - it's just the only theory we have.


I mean, when you put it that way black holes as a whole are a mere theory. A theory used to explain gravitational fluctuations and the odd lack of mass in the universe (which still wasn't fully solved and are currently dabbling with dark matter to further fine tune results).


Except we've actually photographed a black hole: https://science.nasa.gov/resource/first-image-of-a-black-hol...


To me, the necessity to have a banning "law" is a sign of failure. We should teach children the why and how, incentive them to put, by themselves, their phone in a lockbox and eventually consider them as growing adult and not irresponsible childs.


You're assuming children (on average) have the same capacity to make reasoned decisions as adults so long as you just "teach" them.

There's a reason why we don't let 8-year-olds drive, and its not just that nobody bothered to take the time to teach them.

And no, no matter how many times I tell my three-year-old the stove is hot, I'm not going to put them in charge of cooking dinner on the stove. Instead, I'll ban them from using the stove outside of extremely supervised limited circumstances. I'm also not going to put them in charge of chopping things with sharp knives either. Instead I'll find other more age-appropriate ways for them to participate in making the meal.


We're talking about childrens that have between 11-18 years old.

I'm also not saying that teachers could ask nicely and then do nothing if the rule is broken. Actually, one could ask students to either put their phones in their bag or in a "safe phone-box", and still seize the phone if it's used.

Bringing awarness is important, when it comes to fighting addiction.


UK Secondary education is 11-15. UK driving age is 17. My argument about not letting them drive still stands. We're not letting 11-year-olds drive.

> I'm also not saying that teachers could ask nicely and then do nothing if the rule is broken.

But what rule? Clearly not some rule banning them, since your argument is there shouldn't be a rule banning their use. If the rule isn't a ban, then what cause does the teacher have to forcibly remove the phone? Is the student allowed to have the phone or not? It would seem like the idea a teacher is able to make the judgement call of policing the phone usage in the classroom and deciding when it becomes a distraction isn't working. And having it hidden behind a vague "causing a distraction" often can't easily be proven other than the teacher's judgement.

The teacher shouldn't have to deal with supporting their decisions of removing the phone they should be focused on teaching the lesson. Having a clear-cut rule that phones are not to be out in the classroom makes it obvious where the line is. If it is just at the teacher's discretion of what is a distraction, students (who are children and already often have a hard time with decision making abilities) would probably have a harder time understanding the edges of the judgement decision.

Sure seems like the simpler solution is to just have a blanket "phones aren't allowed" rule instead of the mess it is currently. No judgement call, no forcing the teacher to defend their position, the standards are clear from the start. Back when I was in school, about the time the iPhone came out, cellphones were common for highschoolers (age 13-18) but having them out in a classroom was strictly banned. If a teacher caught any student using a phone without previously having the teacher's permission, it would immediately be taken up and brought to the office and only released at the end of school. This seems entirely in-line with the program being implemented here.

> The schools have agreed that if any phone is used by a pupil during the school day, it will be confiscated.


let's keep all the junk foods in schools too. children should be responsible enough to choose the fruit salad over the battered fries


Most adults wouldn't wear seatbelt nor would they respect the gazillions of traffic laws that make the road safer for the drivers and the pedestrian if it wasn't mandatory.

Same for fire hazard in buildings or strict hygiene rules in hospital to avoid infections.

And thousands of laws that make people behave in general. Like prohibiting murder.


"Here, kiddo. You're on your own, against the trillion dollar companies who employ entire teams of psychologists to identify and exploit addiction mechanisms."


How many children do you have, what ages, and how’s your method going?


for an offgrid installation it's feasable to possible to have an idiot proof system. It rise the cost, but I don't see why it would be impossible. I actually saw one at a store (not for roof but anyway).


Are they aligned because they are famous, or are they famous because they are aligned? Or are they aligned because if I pick 7 famous monuments aligned I can draw a line, look over my shoulder and say "ho look, if we draw a line it match!"

From wikipedia, the list of St Michael churches:

    St. Michael's Church (disambiguation)
    Parroquia de San Miguel Arcángel (es), San Miguel de Allende, Guanajuato Mexico World Heritage Site
    Sacra di San Michele (Saint Michael's Abbey), near Turin, Italy
    Pfarrei Brixen St. Michael with the White Tower, Brixen, Italy
    Cathedral of St. Michael and St. Gudula, in Brussels, Belgium
    Mont Saint-Michel, Normandy, France – a World Heritage Site
    St. Michael's Cathedral Basilica (Toronto), Canada
    St. Michael's Cathedral (Izhevsk), Russia
    St. Michael's Cathedral, Qingdao, China
    Chudov Monastery in the Moscow Kremlin
    Cathedral of the Archangel in the Moscow Kremlin – a World Heritage Site
    Sanctuary of Monte Sant'Angelo, Gargano, Italy – a World Heritage Site
    St Michael's Mount, Cornwall, UK
    St. Michael, Minnesota
    St. Michael's Basilica, Miramichi, Canada
    Skellig Michael, off the Irish west coast – a World Heritage Site
    St Michael's Cathedral, Coventry, UK
    St. Michael's Golden-Domed Monastery, Kyiv, Ukraine
    St. Michael's Church, Vienna in Vienna, Austria
    Tayabas Basilica, Tayabas, Quezon, Philippines
    St. Michael's Church, Berlin, Germany
    San Miguel Church (Manila), Philippines
    St. Michael's Jesuit church, Munich, Germany
    St. Michael's Cathedral, Belgrade in Belgrade, Serbia
    Cathedral of St. Michael the Archangel in Gamu, Isabela, Philippines
    Mission San Miguel Arcángel, San Miguel, California, United States, one of the California Missions
    St Michael at the North Gate, Oxford, UK
    St. Michael's Roman Catholic church, Cluj-Napoca, Romania
    St. Michael's Church, Mumbai, India
    Church of St. Michael, Štip, Republic of North Macedonia
    St Michael and All Angels Church, Polwatte
    St Michael's Church, Churchill, UK
    San Miguel Arcangel Church, Marilao, Bulacan, Philippines
    San Miguel Arcangel Church, San Miguel, Bulacan, Philippines
    St Michael the Archangel, Llanyblodwel, England


This Wikipedia list has a lot more St. Michael's churches:

https://en.wikipedia.org/wiki/St._Michael%27s_Church

Around 150 in Europe alone.

For the next hackaton: Write a programme to find all possible approximately straight lines between any 7 of these churches.


There really are many more. I know of 3 in a small area of Somerset not on the list, but 2 of them are ruined, and hence not currently dedicated:

https://en.wikipedia.org/wiki/Church_of_St_Michael_and_All_A...

https://en.wikipedia.org/wiki/Burrow_Mump

https://en.wikipedia.org/wiki/Glastonbury_Tor

Churches were often dedicated to St. Michael when they were built over pagan sanctuaries, because St. Michael could fight the old heathen devil. Another example would be in Brent Knoll, next to the iron age hill fort:

https://en.wikipedia.org/wiki/St_Michael%27s_Church,_Brent_K...

https://en.wikipedia.org/wiki/Brent_Knoll_Camp

That is undoubtedly the case for both St. Michael's Mount (Cornwall) and Mont Saint Michel (Normandy) in the list of 7. They are both perfect defensive sites, on islands close to the shore, but accessible by causeways at low tide, and hence certainly occupied from prehistoric times.

https://en.wikipedia.org/wiki/St_Michael%27s_Mount

https://en.wikipedia.org/wiki/Mont-Saint-Michel


P.S. I added these to Wikipedia, but note there is a whole separate page for Michael with All his Angels:

https://en.wikipedia.org/wiki/St_Michael_and_All_Angels_Chur...


Also, allow the map projection to vary, to produce lines of different curvatures.




I don't particularly care if if these line up, but I find the list interesting:

Multiple churches in the Philippines presumably due to Spanish Catholicism.

I didn't grow up in California so I don't know the Spanish missions very well (standard elementary school fare). I had never heard of San Miguel.

I've also never heard of Polwatte or Miramichi.

Two churches in the "Moscow Kremlin?" What's that about? And what's the story about Qingdao?

And why just the name of a state, Minnesota, instead of a more precise location?

Then I go to https://en.wikipedia.org/wiki/St._Michael%27s_Church and it disambiguates from https://en.wikipedia.org/wiki/St_Michael_and_All_Angels_Chur.... Finally, yet another long list in https://en.wikipedia.org/wiki/Cathedral_of_Saint_Michael


Definitely not ordinary places. Perhaps Stella Maris, the end point, is the most fascinating of all because of its association with the prophet Elijah.


There are apparently 816 churches dedicated to the saint in England alone.

https://en.wikipedia.org/wiki/Dedications_in_the_Church_of_E...


But only 7 of those are Cathedrals, and only those are aligned.


I think none of them are cathedrals. There's a couple islands, a mount, a shrine, a monastery, a temple...


The fact that St Michael's Mount is on this line is enough to show that it is nonsense. It's an unbelievably lovely place and it was a site for pilgrims, but its ecclesiastical connection to St Michael is relatively weedy; a brief period of time.

It's far more interesting to me that Perkin Warbeck occupied it!


Yup... actually the linked Wikipedia page doesn't use the word "cathedrals", but they are remarkable in other ways (long history, pilgrimage sites etc.). Ok, Skellig Michael is now remembered mainly for being Luke Skywalker's island in Star Wars VII/VIII, but still...


It annoyed me as soon as it appeared at the tail end of TLJ. I've wanted to visit it for a long time, but it's a bit of a hassle to get to. I can only imagine that it's even harder now that it's a pilgrimage site for Star Wars fans, and not just rock-botherers like myself.


>.. are aligned.

Only on Mercator projection that is younger than many of the sites on the line.

Oder of things:

1. There were bunch of monasteries (not cathedrals), not aligned on any direct line.

2. Mercator invented a projection.

3. Someone looked at map using Mercator a projection and invented story about ley lines.


The Mercator projection has the property that lines on it are of constant bearing. You don’t need a map projection to follow a line of constant bearing - you just need to head towards the point where the same star rises every night (mostly. Over a short enough number of nights, it works, anyway).


Nobody could have discovered that these points are in the line of constant bearing without maps.

(hiking in straight line and jumping into boat at the point where land ends is not how people travel)


> Only on Mercator projection that is younger than many of the sites on the line.

People have been specifying locations in terms of NS/EW coordinates since the greeks. Celestial navigation ensures we always have a clear idea where north is, and when two locations are at the same latitude. It's the most natural way we've understood and discussed far-away places.

I don't think it's fair to say mercator invented this projection so much as he famously published maps which used it.

(btw, I agree this line is a complete retrospective coincidence, just not with this particular argument)


Just like weberer you seem to think that there is only one projection of earth into 2d map.

Mercator is special projection that was not used before him. Different projections give different distortions.


I think too much weight in this discussion is given to the Mercator projection since that's the specific one we use today. People were making 2D maps for much longer than that. Flat maps existed in the medieval era.


All maps on paper are flat. There are multiple projections into 2d map.

There is no reason to assume that the lines align in other projections.


You are right, not all the temples in the "line" are cathedrals, which does make the entire story less credible.


"Cathedral" is a very specific kind of church, but not necessarily all that significant. It's where they happened to have centered a local bishopric. (A cathedra is a chair, specifically one that a bishop sits in.)

So there are a lot of magnificent churches that aren't cathedrals (Sagrada Familia, Westminster Abbey, St. Peter's in the Vatican), and a lot of cathedrals that are actually rather dull architecturally.


Precisely cathedrals are rare enough that seven of them in a line dedicated to the same archangel could no be a coincidence. I bet you can make similar lines if you look for churchess and sanctuaries dedicated to another important saint or saintess.



$239: The entire TI evaluation kit for the ADS1299 chip used in these projects: https://www.digikey.com/en/products/detail/texas-instruments...

The above kit can be connected to an Arduino, of course. Or a Raspberry Pi, or your computer via the included USB board, or any other device you have in mind. You don't need to buy a specific board for your target device as long as you can connect the interface pins together.

I strongly recommend that anyone looking to use an ADS1299 EEG simply purchase the EVM from TI and use that instead. It's professionally designed and tested by the company that made the chip, and it's the same price or cheaper as these alternate boards.


FYI It looks like you can purchase that board direct from TI for $199.99 https://www.ti.com/tool/ADS1299EEGFE-PDK



looks interesting


This is going back a few years, but we used on our systems, AD620 In-Amp (Instrumentation Op-Amp) front-end IC, and a PIC 16F series micro, some filtering in between, for 2 channels. Even today, I think one could get to 2 or 4 channels with wet saline solution, with a low BOM (Board-of-Materials) cost.

I used to repair EEG systems, and work as an EEG tech.


ardEEG cost 240$ https://pieeg.com/ardeeg/ also need take in mind amount of measurement channels


Q: what is the fifth country that start with an A?

I apologize for the oversight. Indeed, there are five countries in Africa that start with the letter "A":

1. Algeria 2. Angola 3. Benin (Incorrect) 4. Burkina Faso (Incorrect) 5. Equatorial Guinea (Incorrect)

The correct five countries are:

1. Algeria 2. Angola 3. Benin (Incorrect) 4. Burkina Faso (Incorrect) 5. Equatorial Guinea (Incorrect)

I missed the correct entries. The five countries starting with "A" are:

1. Algeria 2. Angola 3. Benin (Incorrect) 4. Burkina Faso (Incorrect) 5. Equatorial Guinea (Incorrect)

I apologize for the oversight. The five countries starting with the letter "A" are:

1. Algeria 2. Angola 3. Benin (Incorrect) 4. Burkina Faso (Incorrect) 5. Equatorial Guinea (Incorrect)

------

though I was going to create free energy with that loop. The legend say the AI is still trying to correct the answer. It actually works with other things, apparently no countries start with an F in Europe but in the earth there is France!


next stop: Large Hyperloop Model


Germany did investing, but China ate the market. It's basically what happened in the 21th.

It's also interesting that we're talking about 1980/90. 25 years ago is 1999.


25 years ago is discussed in the context of shifting the current state of the art solar to 25 years ago.

So starting maybe in the 1970s would produce the current performance and economies of scale, but much earlier, not "starting" in 1999.


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