RMH
ellievsbear
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Aqua Utopia｜海の底で記憶を紡ぐ
almost home
oozey mess
🪼
One Nice Bug Per Day
#extradirty
wallacepolsom
Misplaced Lens Cap
Xuebing Du
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taylor price
todays bird
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$LAYYYTER
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Product Placement
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@dwarvendiaries
PortalDreams Index Post
Long, long ago a dwarfposter fucked up and forgot to Dwarf Fortress but now it's back (thanks to a helpful reminder).
Welcome to Mistêmåzon, PortalDreams, a fortress in Ushul Dakon, The Realm of Omens, of the civilisation Ozorézum.
The embark is between 2 rainforest biomes and a desert with a river running through.
Chapter List
Embark
Farm Plots
Workshops
The Office
Taking Stock
A Complaint
People are roasting this person for asking a dumb question. But I think this is a valid query and the answer is actually pretty cool.
Unfortunately, you usually get a response like this.
This is accurate. But not very explanatory. "It's how light works" just feels a bit condescending.
We need to Bill Nye this shit.
The first thing you need to know is that light competes with light. And the brightest light is always the victor.
And this phenomenon is not specific to cameras. Our eyeballs also play in the light vs light competition.
Every person with a mobile phone has already seen this effect. What happens when you look at your phone on a really sunny day?
You can't see shit.
The sun is so overwhelmingly bright that it is reflecting light off the screen that is much brighter than the light being emitted from the phone.
However, newer phones are starting to have screens that are extremely bright. Up to 3000 nits in some cases. They are able to emit light brighter than the sun's reflection.
What happens to our eyes when we go outside on a sunny day?
Our pupils get as small as they possibly can. Smaller pupils let in a lot less light. And when they are that contracted, we can only register really really bright things.
But if we are in the dark, our pupils get super big. They allow in a bunch more light. And after we adjust to the dark, we can see really really dim things.
If our pupils stayed contracted and we looked at a starry sky, it would be as blank as the phone screen on a sunny day. You can even test this with an eye patch. Go into a very bright room and keep one eye covered for about 20 minutes. Then go outside and look at the sky with each eye. One eye will see stars and the other will not.
And this should give you a clue as to how light pollution works. Light bounces off stuff in the atmosphere. And when a city shoots a bunch of light upward, that light reflects back down and is much brighter than the stars.
The brightest light always wins.
Most stars are just incredibly dim. You need to be in a very dark environment in order to see them shine. You need them bigass pupils fully activated. And cameras need either a very large aperture (lens pupils), or a very long time interval to see them.
The sun is so so soooo bright. Many thousands of times brighter than distant stars. And the moon is also very bright. Especially if you are on or near the surface. The properties of moon dust, the regolith, are a near perfect diffuse reflector. Which is why astronauts struggled to see and photograph stars during their moon excursions.
If they opened up their camera apertures and did a long exposure, they'd just get a blank white frame.
There are dozens of photos in which that exact thing happened.
This is exactly what happens if you accidentally shine a flashlight directly into your eyes.
But if we ever have a moon mission during lunar night, those astronauts are in for a starry treat. They won't have any atmosphere to absorb starlight. So they'll be able to see the Milky Way, in all its glory, with just their naked eyes.
also, apparently, when you are at the bottom of a deep well during daytime, and the sun is NOT directly in line-of-sight over it, you CAN see the Stars.
I really hope this doesn't come off as embarrassing, but this is actually a myth.
But it is a really cool ancient myth from one of Aristotle's essays written 2400 years ago.
And I think it is kind of neat that intellectuals from back then were trying to understand and figure out how light works. And it is impressive that a myth has lasted this long.
The problem is that the sky is a giant light source. A pretty bright one, in fact. People often forget that the sky is a giant hemisphere of scattered light because the sun is so overwhelming in comparison. It's just so much dimmer than the sun, it gets outshone on sunny days.
But you can see the sky being a light source on snowy days. If you look at photos of snow, you'll notice all the shadows are tinted blue.
That's the sky getting into the nooks and crannies where the sun don't shine.
So if you were deep in a well, you'd just see the blue sky.
HOWEVER, if you were to create a deep hole on the moon during lunar daytime, you could totally see stars. You'd be in a dark environment, your pupils would open up, there is no atmosphere to scatter light from the sun, and the glare of the surface wouldn't compete with the starlight.
Aristotle was on to something, he just chose the wrong celestial body.
Naomi is an anti-vaxx dipshit and not a great person.
But I think this question was asked in good faith and is also a perfectly valid query.
Moon nomenclature can be a bit confusing. People will reference the far side of the Moon and the dark side of the Moon and conflate the two.
From our perspective, there is a near side and a far side. The "near side" is always facing Earth. And people sometimes think the side facing away from us is also the "dark" side of the Moon.
But the far side is not always in darkness. Only when we see a full moon is it dark.
Astronomers have tried to update the terminology to lunar day and lunar night, but that hasn't really caught on as popular vernacular. It's hard to undo Pink Floyd's influence.
All of this is to say, it is easy for people to get confused about the far side of the Moon being illuminated by the Sun. It's quite common to imagine it as in perpetual darkness.
But lunar night is not completely in a void of darkness. The light from the universe does very dimly illuminate the lunar backside. And while traditional optics aren't easily able to see the Moon's butt, NASA does have a special UV camera that surveys the lunar night.
It's called the "Lyman-Alpha Mapping Project."
They love their clever acronyms.
I've seen people also confused about the lighting in this photo.
The Sun is directly behind the Moon, yet the left side seems to have light wrapping around to the lunar night side.
And the reason for this makes my light-loving heart full. Because light is light and it works the same way in space as it does in my studio.
This phenomenon is called "Da Vinci glow" or earthshine. The Sun is bouncing light off the Earth, and it is reflecting onto the side of the Moon. And even though it is usually too dim to see without a very long exposure, this eclipse was able to reveal it.
Here is what earthshine looks like to human eyes adjusted for darkness.
And here is a brightened, long exposure example.
It's literally just this on a cosmic scale...
There is also moonshine, which is more than just a legally dubious beverage.
You may have already seen an example.
The left is exposed as our eyeballs would see it. And the right is brightened with long exposure and a high gain setting.
The Sun is behind the Earth, but it is shining light off the Moon and giving very dim illumination to the night side.
The Moon is a big retroreflector. You have seen a different form of retroreflection when you are driving at night and the highway signs light up as you pass. Your headlights are shining directly back at you.
The special properties of Moon dust give it a near-perfect diffuse matte reflection. And when the Sun is in the right position, it acts similarly to our car headlights and the light shines back in our direction.
A studio reflector needs to be angled just right to shine the light exactly where you want it. The angle of the light is like a bumper shot in billiards.
The Moon scatters light in all directions like a typical matte surface.
However, a non-retroreflective matte reflection on a sphere typically has a bright center and then graduates into darkness around the edges. But the Moon's super matte retroreflection maintains brightness across almost the entire surface area.
So even though the Moon is quite small compared to the Earth, its regolith creates a powerful reflection of the Sun's light. You'd think a full moon would be twice as bright as a half moon, but this retroreflective surge makes the Moon roughly 10 times brighter.
If the Moon weren't such a dusty bitch, moonlight would be dimmer and that nighttime photo of the Earth may not have been possible.
Happy Pride
Seismic Waves as Probes
whoever wrote this is gay as hell
hair twirling while writing and everything probably. like do you two need a moment alone
On Dentists
So I can’t brush my teeth. Like, it’s the worst kind of hell. I went to the dentist for a cleaning today and I told the hygienist this, and she was wonderfully helpful.
There are some incredibly soft toothbrushes available- namely, post-surgical brushes. Running them under hot water makes them even softer.
She told me that you don’t really need to use toothpaste- it’s mostly marketing. The foam gets to me, so that is really reassuring.
She gave me two particularly soft brushes and some xylitol gum. Trident is a market brand of xylitol gum, which helps with your teeth and can make your breath smell better.
The whole purpose of brushing is to disrupt plaque buildup. You don’t need to brush twice a day, every day with toothpaste if you brush correctly- little circles, focusing on near the gums (where most plaque builds up). So if you’re having a bad sensory day and can’t brush at all, it’s not the end of the world.
Hell, you don’t even need a toothbrush if even the post-surgical ones are too harsh. Going over your teeth with the same motions using a washcloth is enough.
She wants to find a fluoride rinse that has a taste I can stand (peppermint is the only mint I can stand) but she’s not particularly worried about it.
I go to Dr. Barr in Chicago. If you can get to the State St. Macy’s, his office is nearby. He’s very kind and patient and really understanding of my needs as an autistic person. The hygienist, I don’t know her name, announced everything she was going to do before she did it, and stopped frequently to see how I was doing.
This is really the only positive dentist I’ve ever had- past dentists have been too rough and not bothered to help find ways I can actually brush.
Basically this is a glowing recommendation for Dr. Barr’s office if you’re autistic, afraid of dentists, or have sensory needs. This is a recommendation even if you don’t have any of those things.
Im actually crying i feel like this post was reblogged for me oh my god oh my god oh my lord thank you
You can also dilute your mouthwash and use it to swish around if it burns. My dentist does this so consider it dentally approved
If you were feeling guilty about your brushing habits, either due to sensory issues, pain, allergies, executive dysfunction, or just plain fatigue, here’s what you need to know about what is and isn’t necessary if your dental care!
Post-covid, I got really horrible shit going on with my gag reflex where for some reason the mint flavor of toothpaste (and only toothpaste) would make me gag so hard that I’d throw up. Then I found a kids toothpaste that’s like strawberry flavored or something, but it has the proper adult amount of flouride, so it works for me and I don’t gag much anymore. Here’s an article with some options if you’re like me lol
Dr. Gemma Wheeler lists best non-mint toothpaste options for adults. The list includes those that are truly non mint, without oils or aromas
Also for the people who can’t stand foam, the ingredient you’re looking to avoid is called SLS.
I share this frequently, but I had a very difficult time making myself floss because I hated the way that standard floss digs into my fingers when I use it. I switched to floss picks, and boom: A hated activity instantly became entirely neutral. Much easier to convince myself to do! If you have the same problem with standard floss, this might be worth a try.
Also, my most recent trip to the dentist, I was told that xylitol is a very effective treatment for dry mouth! And also that dry mouth is bad for your teeth, because it can disrupt the PH balance in your mouth, making your teeth more susceptible to cavities. While you want to be very careful to keep any xylitol products away from dogs in particular and probably pets in general, if you have dry mouth, you can try checking for products with xylitol in them.
Of note: My brother endorses the OraNusre brand of flavorless toothpaste; he says it “tastes like toothbrush”. My mom, meanwhile, is a fan of the Hello brand, which comes in different fruity and sweet flavors. Both of these are listed at the non-mint toothpaste link above.
If you prefer a toothpaste or a mouthwash for dry mouth, I use Biotène; it’s not cheap, but brushing once a day with it, a tube of Biotène toothpaste lasts me around four to five months. As far as I’m aware, it’s only in mint flavor.
If you hate mouthwash because it burns, there’s actually non-alcohol based mouthwashes that’s don’t have that problem! They’re very mild and much more sensory friendly than the other kind
Remember it's not important whether it's a date or not; but that you're getting to share the joy of watching the shows
I know keas are the typical Dwarf Fortress bird menace, but I wanted to do something different.
(I used to live on a busy street near a gas station. Turkey vultures would flush armadillos out of the tall grass, heckle them into the road to get hit by cars, then drag the bodies back into the grass to eat. Pretty smart. Could probably do it to a human if they wanted to.)
My boyfriend, again blending together fanfiction tropes: So what if when you finally find your soulmate, that’s when you discover if you’re alpha or omega, right?
Me, hands shaking as I frantically search for pen & paper: KEEP TALKING
Me: Seems hellish
Boyfriend: So does being an ant person
Me: Again, baby, they’re not ants
Boyfriend: YES THEY ARE. They communicate via pheromones— LIKE ANTS.
Me: So back to the soulmate thing….
Boyfriend: You could trick them into following orders and thinking they’re dead by spraying them with a spritz bottle. I think they need a queen.
Me: So back to the soulmate thing…. Seems hellish!
Boyfriend: Not really. If being around the other person is what triggers the changes, if you want to go back to normal… all you need to do is leave.
Me, writing: (You found your soulmate. It’s changing you in scary ways. All you need to do is leave… how difficult would it be to leave? What pressures exist to stay?)
Boyfriend: So these ant-people—
Me: OMEGAVERSE IS NOT ANTS!!!!!!
the fukken wut
Hop on zergverse now!
Zerg is a basically omegaverse but aliens specifically insectoid aliens. where the "females" (equivalent to omegaverse alphas) are the stronger of the genders and are usually the workers/soldiers or hivemind. and the "males" (omegas) are the weaker gender. Theres lots of overlap between zerg stories and typical omegaverse plot and trope wise (soulmates bonding nesting ect). Lots of pheromones and fighting for the males.
I think the term comes from Starcraft. The stories tend to be set in the future or in space amd focus around like a hive mind situation or intergalactic warfare (there tends to be a lot of mechs). And things like egg raising(bc they are bugs) and child rearing.
Zergverse pretty much only exists as a genre of Chinese web novels so here are some recommendations to get started^^
Becoming a God in the Zerg World by Livestreaming BL Novels
After Picking up the Fallen Female Zerg General
The Villain Boss Is Pregnant With My Egg
After Transmigrating Into a Villain Cannon Fodder Male Zerg
Trying take Objectivists back to their roots: hiding away all the CEOs in a remote valley to fend for themselves
I love how I have managed to get the "wait 30 minutes and apply a light moisturiser" part of hair removal wrong twice
Florence Welch will literally write albums upon albums of music about how she's always felt ostracised from femininity, that it feels for her like a performance she can't escape, and even give a whole interview about her upcoming album being inspired by how a pregnancy almost killed her and how coming to terms with this made her feel alienated from her body and gender..... And STILL the majority of her mainstream fans will still talk about her work like "omg yes divine feminine womanhood queen of fairy girls uwu". I really hate how so many ppl just don't actually listen to music or care about what it's about. The "fairy-ification" of artists like Florence Welch, Hoizer, Fiona Apple, Mitski, Tamino, Kate Bush, etc, all of whom create music that's rooted in specific social and cultural themes, but the complexity and artistic intention is often totally flattened into !!uwu fairy girlhood in the woods vibes!!! Truly hate this brain switched off vibes based era of music engagement.
dril famously consumes candles
I means he consumes them... he just doesn't eat them
Rabbit that lives in an urban park:
hi trans kiwis and friends. if you haven't seen the news, they're trying to pass a frankly insidious bill in aotearoa to define the terms 'man' and 'woman' based on biological sex. this unsurprisingly reflects a lot of similar cruel efforts happening overseas at the moment. IT HASN'T PASSED YET, but I figured I should speak up about it because this is happening as we speak.
(screenshot from the linked RNZ article)
it seems very fucking bleak!!!! please don't lose hope! it hasn't passed yet and a lot of the shoddy bills suggested by the coalition have been shot down already. it's still worth knowing about. you don't have to share this post if you don't want to. I just know that a lot of my followers are kiwi. if there are any updates as to what we can do to push back against this, I'll make a relevant addition. kia kaha, okay? love you all.
UPDATE: you can now very quickly and very easily submit a comment on the bill! these will be counted and considered in parliament.
it took me less than three minutes, and that's only because I wrote a whole paragraphs on why this is a stupid idea. all you really need to put is "don't pass this bill" if you want. it'll only take 30 seconds.
if you're able to and you want to, please consider reblogging! the more reach this gets, the better. thank you all so much [:
The only way to talk to these people.
PAY ATTENTION TO WHAT
ASTRONAUTS ARE FISH
"there's no platonic explanation for this" WRONG my characters are staving off the heat death of the universe through the power of friendship
