You wander through the flood basalts of India, imagining when the land was covered in a sea of lava.

You stumble upon a cavity. Within it, #YouFindARock. It may not be a cute lil fluffball that got dropped in sticky yellow candies, but it sure looks like it is.
You ignore the yellow not-candy calcite; you’ve played with that enough to not feel charmed by its characteristic bubbling in acid today.

You focus on the white puff of scolecite. Knowing what it is doesn’t abait your curiosity even a smidgen.

>
> Pet

You gently pet the fluffball. The extremely fibrous crystals are much silkier than the last scolecite you encountered

“Huh,” you muse. “That’s neat.”
Not anticipating many differences beyond texture between this scolecite puffball and the previous scolecite bloom, you pause to think.

>
> Adopt

“You’re just too cute!” you coo, scooping the scolecite into a snuggle. “Do you want to come home with me?”

You pause, reflecting on past errors.

“You’re not kin to albino tribbles, right?” you inquire cautiously.

It neither confirms nor denies.
You are not reassured.
You spend your afternoon curled up with your new mineral friend as it basks in your affection.

Until next time:

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More from @mikamckinnon

Dec 26, 2021
The degree of rage I feel when someone flippantly declares getting COVID is inevitable and we should give up is beyond my ability to politely express.

It’s never too late to make things less bad. Like Climate nihilism, it’s self-destructive bullshit & I have no tolerance for it.
Science is an astonishing tool linking cause and effect, enabling us to create a path to any future we want.

It’s not easy! Untangling details can be lifetimes of effort to get right. But the harder part is picking a future, then doing the work.
It’s daunting. We need to do the work individually, but we also need our communities, governments, & everyone everywhere else to do the work.

But if we refuse to surrender to suffering?
If we keep struggling to do better?

We have infinite possible futures that are less bad.
Read 5 tweets
Mar 9, 2021
You know the rules:

Most vibrantly-coloured rocks are on the Do Not Lick list, but ALL rocks that are literally radiating are definitely on the Do Not Lick list.
> Record scratch

> Freeze frame of you, the protagonist, contemplating the pros and cons of licking a plutonium puck.

“You’re probably wondering how I got here. It all started when I was strolling around France...”

#YouFindARock.

📷 Roberto Bosi Densely-packed crystals of a pale translucent tan spackled a
You pick up the hunk of densely-packed quartz crystals, intrigued by the spatters of matte black.

“Did you mould?!” you ask the rock incredulously. “No, no, that’s not quite right... what IS this?”

>
Read 15 tweets
Nov 21, 2020
I’m reading a lot of well-intentioned articles that make it clear how many scicomm peeps have no idea disaster risk reduction is a deep field with a lot of research into effective communication.

ProTip: Using fear & shame as motivation backfires when applied to public health.
I can’t write this article (or even thread!) right now as I’m under medical orders to drop my stress levels (ahahahahasob), but...

If you’re writing well-intentioned pieces trying to influence pandemic behaviour, please take some cues from disaster sociology research. It exists!
Fundamental premise:
Vanishingly few people make active choices they believe will endanger themselves or the people they love.

If they’re making “bad” choices, it’s a fundamentally different risk perception. Until you understand how & why, your argument will miss its audience.
Read 7 tweets
Nov 20, 2020
Gritty has found rocks.

They are all safe but boring to lick. It’s a solid selection of common crystals from a rock shop or museum gift store.

I do have a few questions.
If you go outside and pick up a stray rock, it’s probably quartz.

This looks like quartz. Quartz is an excellent oscillator that is piezoelectric & resonates well.

White sand is also quartz, and is near oceans.

Conclusion: Gritty can use quartz as a distributed spy network.
I have questions on this ID.

If it’s rose quartz, it’s about as fun as licking a window for flavour.

But it could easily be pink halite (like Himalayan rock salt!). If it is...? Lick it! Lick it moar!
Read 7 tweets
Nov 19, 2020
I’m stunned that we’re losing Arecibo.

Even if you don’t pay much attention to ground-based astronomy, you know this telescope from pop culture & movies. It’s somewhere special. nature.com/articles/d4158…
This article from just before the closing announcement is fantastic for the context of why Arecibo is so unique:
space.com/arecibo-observ…
I just...

I know we’ve got a lot going on, especially with the mass casualty event scheduled shortly after US Thanksgiving.

But take some time to read the Arecibo tributes as they come out. They won’t be cheerful. But they’ll be heartfelt.
Read 6 tweets
Nov 14, 2020
Irregular reminder that landslides can behave like fluids.

(Thank you for all the pings!)
Landslides get weird when there really big, and can start behaving more like fluids than solids once they’re over the half million cubic meter mark.

...which was pretty much why I wrote a thesis once upon a time: io9.gizmodo.com/why-are-huge-l…
But technically landslide are fluid-like, not fluids.

Why?

Because they’re a mixed mess of materials that act differently when moving than when still. You can’t just sample a tree trunk, some peat, and water to figure out the rheologic properties (how it flows).
Read 9 tweets

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