Last year, a company named Nectome, "advetised" a service for backing up & (eventually) digitizing people's brains which was going to be 100%-fatal. They retracted saying it wasn't correct they expected to revive a whole consciousness from the connectome buff.ly/2YT1Eaq
The actual computational requirements for running an uploaded human mind are very difficult to quantify & strongly depend on the chosen level of simulation model scale. In other words, if you want a very precise copy, you need a ginormous processing power buff.ly/2G0UCYG
There is, however, a different approach to mind uploading that uses a completely different set of technologies: mind virtualisation, i.e. extracting a number of characteristics from a mind to develop a model that can be used to simulate future behaviour buff.ly/2KdpXg4
In 2015, a digital imitation of circuitry in a sandgrain-sized chunk of rat brain was realized. The work modeled some 31,000 virtual brain cells connected by roughly 37 million synapses ow.ly/Hmy230olJlN
In 2013, the European Union funded the Human Brain Project, led by Henry Markram, to the tune of $1.3 billion. Markram claimed that the project would create a simulation of the entire human brain on a supercomputer within a decade buff.ly/2uP5e7s
You can find an interesting collection of articles looking at both technology aspects and to social ethical questions of mind uploading and mind virualization at minduploading.org

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More from @Rainmaker1973

Jun 13
The red eye effect in flash photographs is caused by the flash bouncing off your retina. When you see red eyes, you are literally seeing the back of your eyeballs through your dilated pupils [read more: buff.ly/2CEWkyw]
The main cause of the red color is the ample amount of blood in the choroid which nourishes the back of the eye and is located behind the retina [read more: buff.ly/3aBzPfa]
The amount of red light emerging from the pupil depends on the amount of melanin in the layers behind the retina. The role of melanin in red-eye effect is demonstrated in animals with heterochromia: only the blue eye displays the effect [source: buff.ly/2WBAbdd]
Read 4 tweets
May 18
42 years ago #Today, Mount St. Helens erupted: the deadliest and most destructive volcanic event in the history of the U.S. [read more: bit.ly/1L0dKzT] [video: buff.ly/3yi2RK7]
A red Ford Pinto with a blue dirt bike before the hell. The story behind one of the most puzzling photos of Mount St Helens' May 1980 eruption, happened 42 years ago #Today ow.ly/2aJK50vujyW
In these two pictures, Mount St. Helens is showed before and after the devastating 1980 eruption, happened 42 years ago #Today ow.ly/D9hG50wpiJN
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Jan 22
The Large Hadron Collider is the world’s largest, most powerful particle accelerator: in a way it's the world's largest single machine. It consists of a 27-km ring excavated between the lake of Geneva and the Jura mountain range at an average depth of 100 m. Let's see some facts
Each of the 6000-9000 superconducting filaments of niobium-titanium coiled between them to make up the LHC cables is 0.007 mm thick, about 10 times thinner than a normal human hair. If put one after another they would stretch from the Earth to the Sun and back six times
The protons accelerated are obtained from standard hydrogen. Although proton beams are very intense (1.15x10¹¹ protons in a beam size of 3.5 micrometres), only 2 nanograms of hydrogen are accelerated each day. It would take about 1 million years to accelerate 1 gram of hydrogen.
Read 11 tweets
Jan 15
Hunga Tonga-Hunga Ha'apai volcano explosive activity continues. Volcanic Ash Advisory Center Wellington warned about a volcanic ash plume that rose up to estimated 52000 ft (15800 m) altitude or flight level 520 and is moving at 05 kts in N direction buff.ly/3tz5maT
NOAA NESDIS provides a coverage of the Tonga eruptions with satellite imagery from GOES West and Himawari-8 satelites: buff.ly/33A3Wly
In this Himawari-8 full disk view, a powerful shockwave can be seen during the Hunga Tonga-Hunga Ha'apai eruption. Source: buff.ly/3foKpHq
Read 11 tweets
Jan 14
17 years ago #Today, ESA's Huygens spacecraft made its descent to the surface of Saturn's moon Titan, carried to the gas giant by NASA's Cassini spacecraft ow.ly/sZVN30nhabb
This the last view of Huygens from the Cassini spacecraft 17 years ago #Today. Thanks to @esa for sharing the photo: buff.ly/3I4YWUZ
During the descent, Huygens recorded the sounds of Titan as well. That happened 17 years ago #Today and you can actually listen to the sounds of an alien world buff.ly/2ixaYxk
Read 4 tweets
Dec 14, 2021
The last human's view from the surface of the Moon so far: a post EVA-3 window pan by Jack Schmitt, Apollo 17, taken 49 years ago #Today go.nasa.gov/2gLet2C
The last time we walked on the Moon. Portraits of Gene Cernan and Jack Schmitt onboard the lunar module Challenger before lift off, 49 years ago #Today go.nasa.gov/2gLet2C #Apollo17
This is the Apollo 17 lunar module Challenger during its lift off from the lunar soil, happening 49 years ago #Today bit.ly/2hu0csf
Read 5 tweets

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