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Finally an OS that is really an OS and not a linux distro

So good to see a developer who actually cares about resources. Thank you!

I usually develop my apps on a 1300 MHz single-core Intel Atom mini PC from 10 years ago. When something like this goes wrong, the app becomes unusable and I immediately notice it.


A bit unrelated but I found this interesting: water is transparent only within a very narrow band of the electromagnetic spectrum, so living organisms evolved sensitivity to that band, and that's what we now call "visible light".

http://hyperphysics.phy-astr.gsu.edu/hbase/Chemical/imgche/w...


I like to joke that while nitrogen gas is the most common thing around us, we are blind to it. Of course, that's a feature, since it allows us to perceive everything else further away, instead of stumbling through a perpetual fog.

This location-dependent tradeoff is something to think about when it comes to "false color" images in astronomy. If some aliens described Earth as "a boring uniform nitrogen-colored ball", we'd probably be a little offended at their ophthalmo-centrism, and tell them that the fault lies in their eyes, not in our planet.


Is there a camera that would show me what our world looks like through the eyes of these hypothetical aliens? Would love to see it.


It would probably be some application of spectral imaging [0], highly dependent on what data you choose to capture based on your assumptions about how the aliens see.

Even if you have a mathematical "photo of a planet of nitrogen gas clouds", that leaves the problem of how to present it to humans, since we have no concept of what "nitrogen gas color" is supposed to be.

https://en.m.wikipedia.org/wiki/Hyperspectral_imaging


As OP said, most astronomical pictures, even in the visible, target specific wavelengths and are thus "converted" for human vision. It's also obviously the case of any picture in wavelength beyond visible light. Keep in mind that there is also massive processing to clean the pictures, not just a translation of the wavelengths


Given the fluid inside your eyeball is mostly water, this is probably very related.

It’s interesting (kinda optimal) that different cones explore near both edges.


visible light is also the last octave before you hit ionizing radiation. it’s very energetic. good for harnessing in chemical processes. not so energetic that the electrons leave the party.


Interesting, given that most life is water based, most life will respond the most to this spectrum.


A guy copied&pasted this comment to X and got 42k likes lol: https://x.com/sridatta/status/1947180254684237851


At least he gave credit to HN, so the diaspora could find the source. The article is interesting. I think more needs to be said about how our eyes perceive color w.r.t. led lighting.


I thought it was mostly that those are the wavelengths output out by the sun.

But I guess it could be both.


The sun is very close to a black body radiator, so all wavelength. The atmosphere and water filters a lot.

It is actually quite strange that plants are green -- that's the wavelength the atmosphere lets through particularly well, so would be particular good to be absorbed instead of reflected, for energy production. It seems nature hasn't come up with a good, cheap way to move the absorption into that wavelength.


Well, black-body radiation is still peaked around a certain range of wavelengths depending on the temperature, it's not just equal power at all wavelengths.

Light visible to humans is at the peakiest bit of the sun's black body spectrum, see here image here: https://i.sstatic.net/kRUju.png

Green isn't just the wavelength the atmosphere lets through the best, or the wavelength humans are most sensitive to, it's also the peak of the sun's black body spectrum.



This video is a reconstruction of Mark Rober's failed test that had a similar setup. However, Mark Rober only tested Autopilot which is just a lane keep assist from 7 years ago, and is a different software from FSD.

According to Tesla, FSD is the real deal, FSD is supposed to become unsupervised. Many Tesla owners were curious whether FSD would stop under the same simulated conditions, and this is why the setup is like this with the hose and everything.


According to Tesla, FSD is the real deal, FSD is supposed to become unsupervised.

According to Tesla, FSD is an oxymoron --- it requires constant supervision.

In technical terms, what Tesla offers is Level 2 automation. Real "Full Self Driving" is Level 5.

https://www.extremetech.com/cars/the-5-levels-of-autonomous-...

https://www.jalopnik.com/elon-musk-tesla-self-driving-cars-a...


I see. Thanks for the comment.


The same youtuber has done more comprehensive testing. HW3 with FSD v12 consistently failed while HW4 with v13 consistently passed the same test.

I didn't like Mark Rober's video because he only tested Autopilot which is a different software.

Autopilot = simple lane keep assistant from 7 years ago

FSD = the real deal, this can do all the maneuvers, this is what is supposed to become unsupervised according to Tesla

I am interested in the future of Tesla's technology, so testing Autopilot feels irrelevant to me.


Thanks, I changed the title


Tip: if you turn off both the overheat protection and sentry mode, the phantom drain becomes 0%. I know this because I left my car idle for 2 months and it only lost 1% during that time.

It is fine to turn these off, other cars don't even have these and they are fine.


Don't you want the overheat protection at the end of a long drive? [edit: or is this just for the cabin temperature?]

I've also noticed a bit of drain when camping. It doesn't help that you often open/close the doors/trunk to access stuff ;)


My understanding is that it is for the cabin.

BTW, for the cabin I did two things:

- I installed a permanent shade for the sun roof. The sun roof is the stupidest thing ever, I hate it.

- In the summer, I usually put one of those shiny umbrellas to the front windshield when parked.

These two things alone reduce the cabin heat to an okay level.


I live in Calgary, overheat protection is only needed in one month in summer ;) I also installed the sun screen, the glass roof had a stress fracture and I didn't want to pay the $2k to fix it.


Sorry, but this is hard to believe unless your specific Model 3 has a problem.

I have a Model Y, several friends have Teslas, one uses his Model 3 for Uber. Everyone can get the expected range when doing 90 km/h in the summer, and at least half of the range on the highway in the winter, but usually more than that.

Maybe your consumption is that much when going steeply uphill, but then you will have to come back down and your consumption will be negative as it will recharge your battery.


One reason for Tesla's success it shows accurate range.


That’s nearly double the amount of battery energy storage Tesla deployed in all of Q4 2024.


Wait, what do you mean? Are you aware it is not a real recall and almost all previous Tesla recalls weren't real recalls either?


Oh. Then why call it a recall?


The NHTSA ordered a "recall" but Tesla found a way to fix the issue with an OTA software update so the cars do not need to be returned for servicing.

> Although the problem is with the hood latch, as with many Tesla safety recalls, the problem can be fixed with an over-the-air software patch. The new software is able to detect if the hood is open and, if so, will display a warning to the driver to alert them to stop their vehicle and secure the hood.


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