Scientific Curiosities

General science/tech/society news, everything not directly related to computer hardware/software.

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sensai
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Re: Scientific Curiosities

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Thanks. I’ll sleep well tonight.

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Re: Scientific Curiosities

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Greetings!
A Triple Treat From Large Hadron Collider: Three J/ψ Particles Emerging From a Single Collision Between Two Protons
In a first for particle physics, the CMS collaboration has observed three J/ψ particles emerging from a single collision between two protons.

https://scitechdaily.com/a-triple-treat ... o-protons/
Rapidly evolving species more likely to go extinct, study suggests
...
In a new study of lizards and their relatives, Dr. Jorge Herrera-Flores of Bristol's School of Earth Sciences and colleagues have discovered that "slow and steady wins the race".
...
https://phys.org/news/2021-11-rapidly-e ... tinct.html
Spiders’ movements are tracked by scientists as they weave their webs
Johns Hopkins researchers used night vision and AI tools to reveal shared set of rules.

https://arstechnica.com/science/2021/11 ... heir-webs/
Tapeworms found in man’s brain years after he ate feces-tainted food
Neurocysticercosis and a most disturbing way to get tapeworms in your brain.

https://arstechnica.com/science/2021/11 ... for-years/
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Re: Scientific Curiosities

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Greetings!
A physicist studied Ben Franklin’s clever tricks to foil currency counterfeiters
Also: the Roman emperor Nero was quite fiscally responsible about his coinage
...
Merchants would typically test any coins proffered as payment by biting on them, since they should be able taste the silver. This would reveal any attempt to cut corners. "So the Romans invented a number of interesting technologies in metallurgy to hide [that debasement]," said Wiescher. For instance, throwing a mixed silver/copper coin into liquid mercury will cause the silver to dissolve and flow around the coin. "Then you remove the coin from the mercury bath and heat it up to drive the mercury out," said Wiescher. This gives you a silver coin with a copper core, capable of passing the bite test.
...
https://arstechnica.com/science/2021/11 ... h-history/
Upcoming smart home products wirelessly charge without cable or pad
Security camera, fitness tracker, and other smart home tech with over-the-air charging announced.

https://arstechnica.com/gadgets/2021/11 ... g-in-2022/
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Tabajara
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Re: Scientific Curiosities

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impar wrote: Thu Nov 18, 2021 12:02 pm Greetings!
Upcoming smart home products wirelessly charge without cable or pad
Security camera, fitness tracker, and other smart home tech with over-the-air charging announced.

https://arstechnica.com/gadgets/2021/11 ... g-in-2022/
How do you feel about this? Wireless charging is so inefficient, and having chargers all around will both be a waste of energy and a lot of electromagnetic pollution in your house.
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Re: Scientific Curiosities

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Greetings!

Dont see the point of wireless energy transfer to devices meant to be on a fixed local.

I prefer cables. Still use wired keyboard, mouse and headphones. Dislike batteries.
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powerarmour
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Re: Scientific Curiosities

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impar wrote: Fri Nov 19, 2021 12:26 pm Dont see the point of wireless energy transfer to devices meant to be on a fixed local.

I prefer cables. Still use wired keyboard, mouse and headphones. Dislike batteries.
I agree pretty much, I still have most things wired at home (even Ethernet to desktop PC's), wired keyboards, displays, etc.
I have three pairs of quality headphones, two wired and one wireless (for out and about), but I do have wireless mice and controllers as I find a cable on a mouse/controller annoying now, but I always use rechargeable batteries charged with a standard plugin wall charger.

I wouldn't buy a wireless charger when you can just plug a cable in, it's a bit of a lazy solution to a problem that doesn't exist tbh.
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Tabajara
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Re: Scientific Curiosities

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powerarmour wrote: Fri Nov 19, 2021 12:36 pm
impar wrote: Fri Nov 19, 2021 12:26 pm Dont see the point of wireless energy transfer to devices meant to be on a fixed local.

I prefer cables. Still use wired keyboard, mouse and headphones. Dislike batteries.
I agree pretty much, I still have most things wired at home (even Ethernet to desktop PC's), wired keyboards, displays, etc.
I have three pairs of quality headphones, two wired and one wireless (for out and about), but I do have wireless mice and controllers as I find a cable on a mouse/controller annoying now, but I always use rechargeable batteries charged with a standard plugin wall charger.

I wouldn't buy a wireless charger when you can just plug a cable in, it's a bit of a lazy solution to a problem that doesn't exist tbh.
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Re: Scientific Curiosities

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https://www.cbc.ca/news/canada/toronto/ ... -1.6241689
"We don't know a lot about how microfibres are affecting humans, that research has just begun," she said.

"But it's kind of gross that we're eating and drinking and breathing in these fibres from our clothing that could be having an effect."

There has, however, been research on the effect of the fibres on fish, showing an impact on growth and feeding behaviours, as well as liver damage.
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Re: Scientific Curiosities

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Tabajara wrote: Fri Nov 19, 2021 12:11 pm
impar wrote: Thu Nov 18, 2021 12:02 pm Greetings!
Upcoming smart home products wirelessly charge without cable or pad
Security camera, fitness tracker, and other smart home tech with over-the-air charging announced.

https://arstechnica.com/gadgets/2021/11 ... g-in-2022/
How do you feel about this? Wireless charging is so inefficient, and having chargers all around will both be a waste of energy and a lot of electromagnetic pollution in your house.
I have no interest in wireless charging, or using wireless devices. I reluctantly use wi-fi for my nvidia Shield because the layout of my unit makes it impractical to use a wired connection.
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Re: Scientific Curiosities

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Greetings!
“Vulture bees” evolved a taste for flesh—and their microbiomes reflect that
"The only bees... that have evolved to use food sources not produced by plants."
...
"These are the only bees in the world that have evolved to use food sources not produced by plants, which is a pretty remarkable change in dietary habits," said Doug Yanega, a UCR entomologist who co-authored the new study. He and his colleagues wondered whether these vulture bees, given their radical shift in diet, had also evolved distinct microbiomes, and they conducted a series of experiments to find out.
...
https://arstechnica.com/science/2021/11 ... r-carrion/
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