Science - strawberry float YEAH

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OrangeRakoon
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PostRe: Science - strawberry float YEAH
by OrangeRakoon » Wed Jan 10, 2018 10:26 am

https://www.biorxiv.org/content/biorxiv ... 7.full.pdf

"Deep image reconstruction from human brain activity"

Yes that's what it sounds like - image reconstruction from brain scans. Scroll to the images and be amazed and/or terrified.

So what does this lead us to? Being able to record and watch dreams? Or thought police? Why not both?

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Moggy
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PostRe: Science - strawberry float YEAH
by Moggy » Wed Jan 10, 2018 10:42 am

OrangeRakoon wrote:https://www.biorxiv.org/content/biorxiv/early/2017/12/30/240317.full.pdf

"Deep image reconstruction from human brain activity"

Yes that's what it sounds like - image reconstruction from brain scans. Scroll to the images and be amazed and/or terrified.

So what does this lead us to? Being able to record and watch dreams? Or thought police? Why not both?


OrangeRakoon wrote:Crocodile was predictable, with no twist like the series is somewhat known for. Its central tech-of-the-future especially was just too unbelievable, I couldn't buy into it. I was just thinking "that's not how memories work". Especially with how it was supposedly used at the end. Again, there were definite similarities with "The Entire History of You" with the rewatching of memories.


;)

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OrangeRakoon
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PostRe: Science - strawberry float YEAH
by OrangeRakoon » Wed Jan 10, 2018 10:44 am

But it's not how memories work

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Xeno
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PostRe: Science - strawberry float YEAH
by Xeno » Wed Jan 10, 2018 10:45 am

The thought police will have a hard time reading my thoughts, I haven't had a clear thought in decades.

Joking aside this is pretty big, I wouldn't think we would have to worry about nefarious government agencies checking we are thinking according to party line.

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Moggy
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PostRe: Science - strawberry float YEAH
by Moggy » Wed Jan 10, 2018 10:46 am

OrangeRakoon wrote:But it's not how memories work


:lol:

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Lagamorph
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PostRe: Science - strawberry float YEAH
by Lagamorph » Thu Jan 25, 2018 6:39 pm

Better than holograms: A new 3-D projection into thin air

Scientists have figured out how to manipulate nearly unseen specks in the air and use them to create 3-D images that are more realistic and clearer than holograms, according to a study in Wednesday's journal Nature . The study's lead author, Daniel Smalley, said the new technology is "printing something in space, just erasing it very quickly."

In this case, scientists created a small butterfly appearing to dance above a finger and an image of a graduate student imitating Leia in the Star Wars scene.


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Karl
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PostRe: Science - strawberry float YEAH
by Karl » Thu Jan 25, 2018 8:26 pm

Lagamorph wrote:Image

Thought that was a tiny metroid for a second.

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Alvin Flummux
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PostRe: Science - strawberry float YEAH
by Alvin Flummux » Thu Jan 25, 2018 9:29 pm

Holograms, now that's a future worth believing in. :datass:

Meanwhile, mankind's been kicking about in Israel for a while, eh? Science goes on the hunt for clues, with skeletally sexy results!

Modern humans were wandering out of Africa at least 180,000 years ago — some 60,000 years earlier than previously thought.

The new migration date comes after ancient stone tools and part of a fossilised Homo sapiens jaw bone with teeth were discovered in a cave in northern Israel.

Until now, the oldest evidence for modern humans outside Africa were only 90,000 to 120,000 years old.

The fossil jaw and tools, presented today in the journal Science, challenges currently accepted ideas about how modern humans dispersed from Africa, according to Peter Hiscock, an archaeologist at the University of Sydney.

While geneticists have traced the modern human's emergence from Africa back around 60,000 to 80,000 years, "skeletal information excavated by archaeologists has told a much older story", Professor Hiscock said.


More at the link: http://www.abc.net.au/news/science/2018 ... ca/9357276

Send me a postcard when you get to where you're going...
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Moggy
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PostRe: Science - strawberry float YEAH
by Moggy » Wed Feb 07, 2018 11:34 am

I didn't want to trigger Rightey in the chat room thread, so this can go here. ;)

The first modern Britons, who lived about 10,000 years ago, had “dark to black” skin, a groundbreaking DNA analysis of Britain’s oldest complete skeleton has revealed.

The fossil, known as Cheddar Man, was unearthed more than a century ago in Gough’s Cave in Somerset. Intense speculation has built up around Cheddar Man’s origins and appearance because he lived shortly after the first settlers crossed from continental Europe to Britain at the end of the last ice age. People of white British ancestry alive today are descendants of this population.

It was initially assumed that Cheddar Man had pale skin and fair hair, but his DNA paints a different picture, strongly suggesting he had blue eyes, a very dark brown to black complexion and dark curly hair.

The discovery shows that the genes for lighter skin became widespread in European populations far later than originally thought – and that skin colour was not always a proxy for geographic origin in the way it is often seen to be today.

Tom Booth, an archaeologist at the Natural History Museum who worked on the project, said: “It really shows up that these imaginary racial categories that we have are really very modern constructions, or very recent constructions, that really are not applicable to the past at all.”

Yoan Diekmann, a computational biologist at University College London and another member of the project’s team, agreed, saying the connection often drawn between Britishness and whiteness was “not an immutable truth. It has always changed and will change”.

The findings were revealed ahead of a Channel 4 documentary, which tracked the ancient DNA project at the Natural History Museum in London as well as creating a new forensic reconstruction of Cheddar Man’s head.

To perform the DNA analysis, museum scientists drilled a 2mm-diameter hole into the ancient skull to obtain a few milligrams of bone powder. From this, they were able to extract a full genome, which held clues about this ancient relative’s appearance and lifestyle.

The results pointed to a Middle Eastern origin for Cheddar Man, suggesting that his ancestors would have left Africa, moved into the Middle East and later headed west into Europe, before eventually crossing the ancient land bridge called Doggerland which connected Britain to continental Europe. Today, about 10% of white British ancestry can be linked to this ancient population.

The analysis also ruled out an ancestral link with individuals inhabiting Gough’s Cave 5,000 years earlier, who appear to have performed grisly cannibalistic rituals, including gnawing on human toes and fingers – possibly after boiling them – and drinking from polished skull cups.

Britain was periodically settled and then cleared during ice ages until the end of the last glacial period about 11,700 years ago, since when it has been continuously inhabited.

Until now, though, it hasn’t been clear whether each wave of migrants was seeded from the same population in mainland Europe; the latest results suggest this was not the case.

The team homed in on genes known to be linked to skin colour, hair colour and texture, and eye colour. For skin tone, there are a handful of genetic variants linked to reduced pigmentation, including some that are very widespread in European populations today. However, Cheddar Man had “ancestral” versions of all these genes, strongly suggesting he would have had “dark to black” skin tone, but combined with blue eyes.
Scientists believe that populations living in Europe became lighter-skinned over time because pale skin absorbs more sunlight, which is required to produce enough vitamin D. The latest findings suggest pale skin may have emerged later, possibly when the advent of farming meant people were obtaining less vitamin D though dietary sources like oily fish.

Cheddar Man would have lived a hunter-gatherer lifestyle, making sharp blades from flints for butchering animals, using antlers to whittle harpoons for spear fishing and carving bows and arrows.

https://www.theguardian.com/science/201 ... is-reveals

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Preezy
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PostRe: Science - strawberry float YEAH
by Preezy » Wed Feb 07, 2018 11:36 am

Cheddar Man :lol:

Scientists, god love 'em :fp:

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Moggy
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PostRe: Science - strawberry float YEAH
by Moggy » Wed Feb 07, 2018 11:38 am

Preezy wrote:Cheddar Man :lol:

Scientists, god love 'em :fp:


You know Cheddar is a place in Somerset? The scientists are not saying ancient humans were made of cheese.

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Preezy
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PostRe: Science - strawberry float YEAH
by Preezy » Wed Feb 07, 2018 11:40 am

Moggy wrote:
Preezy wrote:Cheddar Man :lol:

Scientists, god love 'em :fp:


You know Cheddar is a place in Somerset? The scientists are not saying ancient humans were made of cheese.

I am aware of that, thanks for checking though Moggy.

They were blatantly made of cheese though.

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Moggy
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PostRe: Science - strawberry float YEAH
by Moggy » Wed Feb 07, 2018 11:42 am

I am glad we cleared it up Preezy. I’ll tell you all about Wookey Hole one day.

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Ad7
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PostRe: Science - strawberry float YEAH
by Ad7 » Wed Feb 07, 2018 12:52 pm

I always love it when some American show says REAL AMERICAN CHEDDAR. I don't remember any freedom fromage factories last time I went to cheddar gorge

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