Limitless learning Universe
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Limitless learning Universe
Nature and the universe are a wonder. Insufficiently explored...
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#ESA’s Swarm #Satellites Reveal Detailed Variations in the Earth's Magnetic Field #physics

#ESA’s Swarm #Satellites Reveal Detailed Variations in the Earth's Magnetic Field #physics | Limitless learning Universe | Scoop.it
Three years of data collection the European Space Agency’s (ESA) Swarm satellites has resulted in the highest resolution map of Earth’s lithospheric magnetic field.  The lithosphere is the rigid outer part of Earth, consisting of the crust and upper mantle.  According to the ESA, he majority of the Earth’s magnetic field is generated deep within the planet due to movements by the molten iron in the outer core.  About 6% is from electric currents in the space surrounding the planet and from magnetised rocks in the upper lithosphere.  The agency was able to map this magnetic field by using data pulled from the trio of Swarm satellites and modeling it historical data from the German CHAMP satellite.  Nils Olsen from the Technical University of Denmark who worked on developing the map explains, “By combining Swarm measurements with historical data from the German CHAMP satellite, and using a new modelling technique, it was possible to extract the tiny magnetic signals of crustal magnetization.”

Via Fernando Gil
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Boy Nearly Decapitated Due To Popular Cell #Phone Accessory, Parents Warn Others

Boy Nearly Decapitated Due To Popular Cell #Phone Accessory, Parents Warn Others | Limitless learning Universe | Scoop.it
 

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#FF #Dutch researchers have succeeded to rejuvenate old mice with a new drug. #biology #science #medicine

#FF #Dutch researchers have succeeded to rejuvenate old mice with a new drug. #biology #science #medicine | Limitless learning Universe | Scoop.it
Dutch researchers have succeeded in old mice to rejuvenate with a new drug.
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#Kepler Mission Announces Largest #Planet Collection Ever Discovered #astronomy #space

#Kepler Mission Announces Largest #Planet Collection Ever Discovered #astronomy #space | Limitless learning Universe | Scoop.it
NASA's Kepler mission has verified 1,284 new planets – the single largest finding of planets to date.

“This announcement more than doubles the number of confirmed planets from Kepler,” said Ellen Stofan, chief scientist at NASA Headquarters in Washington. “This gives us hope that somewhere out there, around a star much like ours, we can eventually discover another Earth.” 

Via ThePlanetaryArchives/San Francisco CA
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More than 300 #Cisco switch models vulnerable to #CIA hack #tech #security #privacy

More than 300 #Cisco switch models vulnerable to #CIA hack #tech #security #privacy | Limitless learning Universe | Scoop.it
Cisco has said its examination of the leaked CIA documents points to a gaping security hole in more than 30
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#EAST Publishes European #Fraud Update 1-2017 | European #ATM Security Team #malware #skimming #tech

#EAST Publishes European #Fraud Update 1-2017 | European #ATM Security Team #malware #skimming #tech | Limitless learning Universe | Scoop.it
EAST has published its first European Fraud Update for 201, based on country crime updates given by representatives of 24 countries at the 41st EAST meeting
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Super humans who are sexier, stronger and smarter will arrive by 2029 #transhumanism

Super humans who are sexier, stronger and smarter will arrive by 2029 #transhumanism | Limitless learning Universe | Scoop.it
Ray Kurzweil a futurist who works on Google's machine learning project predicted that singularity would happen in the next twelve years at the SXSW conference in Austin, Texas .

Via Michael Plishka, talkingdrumnigeria
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Michael Plishka's curator insight, March 16, 11:26 PM
Do you agree with the prediction?  The Timing?  The Results?
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#FF #Scientists reveal new super-fast form of computer that ‘grows as it computes’ #tech #scifi

#FF #Scientists reveal new super-fast form of computer that ‘grows as it computes’ #tech #scifi | Limitless learning Universe | Scoop.it

Researchers from The University of Manchester have shown that it is possible to build a new super-fast form of computer that “grows as it computes”.

Professor Ross D King and his team have demonstrated for the first time the feasibility of engineering a nondeterministic universal Turing machine (NUTM), and their research is to be published in the prestigious Journal of the Royal Society Interface.

The theoretical properties of such a computing machine, including its exponential boost in speed over electronic and quantum computers, have been well understood for many years – but the Manchester breakthrough demonstrates that it is actually possible to physically create a NUTM using DNA molecules.

“Imagine a computer is searching a maze and comes to a choice point, one path leading left, the other right,” explained Professor King, from Manchester’s School of Computer Science. “Electronic computers need to choose which path to follow first.

“But our new computer doesn’t need to choose, for it can replicate itself and follow both paths at the same time, thus finding the answer faster.

“This ‘magical’ property is possible because the computer’s processors are made of DNA rather than silicon chips. All electronic computers have a fixed number of chips.


Via Integrated DNA Technologies, Dr. Stefan Gruenwald
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As the planet gets hotter, some mammals may get smaller #climate #evolution #history

As the planet gets hotter, some mammals may get smaller #climate #evolution #history | Limitless learning Universe | Scoop.it
Are animals on Earth about to get a lot smaller? If the past is any guide, perhaps the answer is yes.
Via SustainOurEarth
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Disco #Spider Pulsates With Color, Baffling #Scientists | #Nature #Science #biology

Disco #Spider Pulsates With Color, Baffling #Scientists | #Nature #Science #biology | Limitless learning Universe | Scoop.it
DO YOU SEE A SNAKE OR A SPIDER? Dec. 16, 2016 - The head of a tiny snake stares at you. Odd blotches beneath its eyes pulsate over the serpent’s seeming smile. But the whole impression is an illusion. Those blobs actually belong to a little orb-weaver spider.

 

The captivating footage of this arthropod was filmed by photographer Nicky Bay in a forested area of Singapore. Spider expert Joseph Koh thinks the species is probably Cyrtarachne inaequalis.

 

Other facts about this little animal remain unknown. The fake snake show may be biomimicry, but scientists don’t know for sure. And the pulsing blobs themselves? Another mystery.

 


Via Gust MEES
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Gust MEES's curator insight, March 15, 9:32 AM
DO YOU SEE A SNAKE OR A SPIDER? Dec. 16, 2016 - The head of a tiny snake stares at you. Odd blotches beneath its eyes pulsate over the serpent’s seeming smile. But the whole impression is an illusion. Those blobs actually belong to a little orb-weaver spider.

 

The captivating footage of this arthropod was filmed by photographer Nicky Bay in a forested area of Singapore. Spider expert Joseph Koh thinks the species is probably Cyrtarachne inaequalis.

 

Other facts about this little animal remain unknown. The fake snake show may be biomimicry, but scientists don’t know for sure. And the pulsing blobs themselves? Another mystery.

 

Unbelievable, impressive...

 

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Detect. Lock on. Intercept. The remarkable hunting ability of the robber fly #biology #eyes

Detect. Lock on. Intercept. The remarkable hunting ability of the robber fly #biology #eyes | Limitless learning Universe | Scoop.it

Drones could use it — the remarkable hunting ability of the robber fly. 

 

A small fly the size of a grain of rice could be the Top Gun of the fly world, with a remarkable ability to detect and intercept its prey mid-air, changing direction mid-flight if necessary before sweeping round for the kill.

 

The robber fly Holcocephala is a relatively small fly -- at 6mm in length, it is similar in size of the average mosquito. Yet it has the ability to spot and catch prey more than half a meter away in less than half a second -- by comparison to its size, this would be the equivalent of a human spotting its prey at the other end of a football pitch. Even if the prey changes direction, the predator is able to adapt mid-air and still catch its prey.

 

An international team led by researchers from the University of Cambridge was able to capture this activity by tricking the fly into launching itself at a fake prey -- in fact, just a small bead on a fishing line. This enabled the team to witness the fly's remarkable aerial attack strategy. Their findings are published today in the journal Current Biology.

 

The robber fly has incredibly sophisticated eyes: like all flies, it has compound eyes made up of many lenses -- in the case of the robber fly, it is thought to have several thousand lenses per eye. However, unlike many species of fly, it has a range of lens sizes, from just over 20 microns to around 78 microns -- the width of a human hair. The larger lenses are the same size as those of a dragonfly, which is believed to have the best vision of all insects but is 10 times larger, and help reduce diffraction which would otherwise distort the image

 

"There's a trade-off going on between having excellent vision -- which requires bigger lenses -- and the size of the insect," explains Dr Paloma Gonzalez-Bellido from Cambridge's Department of Physiology, Development and Neuroscience. "The only way a robber fly could have vision as excellent as the 'poster child' of predatory insects, the dragonfly, across its entire visual field would be to have an eye with many more and larger lenses -- but then the fly itself would need to be much larger to be able to carry it."

 

To get around this problem, the robber fly has a concentration of larger lenses in the centre of its vision, accounting for only around one thousandth of its visual space. The lenses get smaller in size around the outside of the eye. Importantly, the team of researchers also showed that below the very large central lenses, this robber fly has evolved extremely small light detectors, which are placed almost parallel to each other and much further away from the lens than normal. This arrangement preserves the high local image resolution, which is very close to that of much larger dragonflies.

 

When it sees a potential prey, the fly launches itself upwards while maintaining a 'constant bearing angle' -- in other words, it moves in a direction such that while moving closer and closer to its prey, it still maintains the same relative bearing. This ensures that it will intercept its prey.

 

"If you think of this as though you're driving along the motorway and a car is coming down the slip road, then if the relative angle between you and this car remains constant, you will collide," explains PhD student Sam Fabian. "Of course, you'd take evasive action, but in the case of the robber fly, this is what it wants."

 

This strategy of maintaining the constant relative bearing also allows the robber fly to maneuver itself mid-air in the event that its prey changes direction. The researchers demonstrated this by switching the direction of their fake prey while the robber fly was mid-flight and observing how the fly responded. Once the fly is around 29 cm away from its prey -- though exactly how it judges this distance is still unclear -- the fly displays a remarkable strategy never before observed in a flying animal. It 'locks-on' to its prey while changing its own trajectory, enabling it to sweep round, slow down and come alongside the prey to make its final attack.

 

"What you see is similar to a baton pass in a relay race: when the two runners are heading in a similar direction and speed, they are more likely to be successful than if they are passing each other at ninety degrees," says Dr Trevor Wardill.


Via Dr. Stefan Gruenwald
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Preinstalled #Malware Targeting Mobile Users #smartphone #Google #Xiaomi #Samsung #tech #security

Preinstalled #Malware Targeting Mobile Users #smartphone #Google #Xiaomi #Samsung #tech #security | Limitless learning Universe | Scoop.it
The Check Point Mobile Threat Prevention has recently detected a severe infection in 38 Android devices, belonging to a large telecommunications company and a multinational technology company. While this is not unusual, one detail of the attacks stands out. In all instances, the malware was not downloaded to the device as a result of the …
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#Fascism will soon be on our doorstep if you don’t act immediately: #Yale historian #history repeats itself

#Fascism will soon be on our doorstep if you don’t act immediately: #Yale historian #history repeats itself | Limitless learning Universe | Scoop.it
History gives us a bunch of cases where democratic republics became authoritarian regimes....
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#CIA hacked #Apple devices in ways users can't fix, #Wikileaks says #tech #privacy #security

#CIA hacked #Apple devices in ways users can't fix, #Wikileaks says #tech #privacy #security | Limitless learning Universe | Scoop.it
New documents from WikiLeaks point to an apparent CIA program to hack Apple's iPhones and Mac computers using techniques that users couldn't disable by resetting their devices.
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#WikiLeaks Reveals How the #CIA Can #Hack a #Mac’s Hidden Code #tech

#WikiLeaks Reveals How the #CIA Can #Hack a #Mac’s Hidden Code #tech | Limitless learning Universe | Scoop.it
The leak shows how physical access hacks can plant undetectable spying code deep in a Macbook's firmware.
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#tech #DoubleAgent: Zero-Day #Code Injection and Persistence Technique #Windows10 #Microsoft #security

#tech #DoubleAgent: Zero-Day #Code Injection and Persistence Technique #Windows10 #Microsoft #security | Limitless learning Universe | Scoop.it
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#Facebook Sued In #apartheid #Israel For Blocking Links To A Site Critical Of The Network #tech #apps #smartphone

#Facebook Sued In #apartheid #Israel For Blocking Links To A Site Critical Of The Network #tech #apps #smartphone | Limitless learning Universe | Scoop.it
A lawsuit has been filed against Facebook in Israel due to the network blocking links to a site that's been critical of the company. The site, Mizbala, is a marketing and creative agency based in Israel. Mizbala made multiple posts critical of Facebook.
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#Chimp filmed cleaning dead son's teeth #care #biology #science #Mind #Soul 

#Chimp filmed cleaning dead son's teeth #care #biology #science #Mind #Soul  | Limitless learning Universe | Scoop.it
(Phys.org)—A trio of researchers from the U.K., the Netherlands and the U.S. has filmed a grown female chimpanzee cleaning her son's teeth after he died. In their paper published in the journal Scientific Reports, Edwi
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Information Avoidance: How People Select Their Own Reality #ostrich syndrome to avoid pain

Information Avoidance: How People Select Their Own Reality #ostrich syndrome to avoid pain | Limitless learning Universe | Scoop.it

We live in an unprecedented "age of information," but we use very little of it. Dieters prefer not to look at the calories in their tasty dessert, people at high risk for disease avoid screenings and people choose the news source that aligns with their political ideology.


Via malek, Dana Hoffman
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malek's curator insight, March 18, 2:37 PM

Information avoidance can be costly

-people miss opportunities to treat serious diseases early on

-or fail to learn about better financial investments that could prepare them for retirement.

-It also has large societal implications.

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We've Brought These Stupid 'Internet Of Things' Hacks Upon Ourselves #education know hwat you do #tech

We've Brought These Stupid 'Internet Of Things' Hacks Upon Ourselves #education know hwat you do #tech | Limitless learning Universe | Scoop.it
Whether it's poorly reported stories of hacked Samsung TVs, sadly hilarious tales of hacked teddy bears, or even more bizarre claims abou
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Recovery after 'Great Dying' was slowed by more #extinctions #history

Recovery after 'Great Dying' was slowed by more #extinctions #history | Limitless learning Universe | Scoop.it
Researchers studying marine fossil beds in Italy have found that the world's worst mass extinction was followed by two other extinction events, a conclusion that could explain why it took ecosystems around the globe millions of years to recover.

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You Should Learn #Python: #Neuromorphic Chips are set to Replace CPUs #tech #computer

You Should Learn #Python: #Neuromorphic Chips are set to Replace CPUs #tech #computer | Limitless learning Universe | Scoop.it
Canadian startup Applied Brain Research is touting the advantages of using neuromorphic chips to power AI, which could help secure personal data.
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Scientific First: #Quantum microscope offers #MRI for Molecules #physics #science

Scientific First: #Quantum microscope offers #MRI for Molecules #physics #science | Limitless learning Universe | Scoop.it

A quantum microscope that uses a sensor built from diamonds could allow researchers to study such nanoscale mysteries as how DNA folds in a cell, why drugs work or how bacteria metabolize metals. Crucially, the microscope can image individual ions in a solution and reveal biochemical reactions as they occur — without interfering in the process. The team behind the system described the results in a 14 February preprint on the arXiv server1.

 

Researchers have long wanted an imaging system for molecular structures that works like hospital magnetic resonance imaging (MRI) machines, which reveal structures inside the human body without harming them. The idea behind a quantum MRI — which images at the quantum level using electron spins — is to do the same for chemical reactions including those involving metal ions. Current magnetic resonance techniques can only reveal structures measuring 10 micrometers or more, and the only way to detect metal ions inside a cell is to add reactive chemicals or freeze the cell so it can be imaged under powerful microscopes — procedures that kill the cell.

 

A hospital MRI machine works by placing a patient inside a magnetic field, such that protons in the body's atoms align with the machine's magnet. The machine then sends radio pulses through the body area being imaged, which knocks the protons out of alignment. When these pulses are switched off, the protons realign and emit electromagnetic waves at a particular frequency. If the frequency emitted by the body's tissues matches that of sensors in the machine, the two frequencies will resonate like guitar strings tuned to the same note. The machine uses this resonance to reconstruct an image of the body.


Via Dr. Stefan Gruenwald
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MicroscopeMaster.com's curator insight, May 1, 4:39 PM
nanoscale mysteries.....
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Attacking #Nexus 9 with Malicious #Headphones #tech #security #CIA #hacking #NSA #gadgets

Attacking #Nexus 9 with Malicious #Headphones #tech #security #CIA #hacking #NSA #gadgets | Limitless learning Universe | Scoop.it
A critical severity vulnerability in Nexus 9 (CVE-2017-0510) with a very unusual attack vector - headphone jack. Exploiting this vulnerability allows one to leak stack canaries, derandomize ASLR, conduct a factory reset, and even access HBOOT, allowing for communication with internal System-on-Chips (SoCs) through I2C.
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