such as small cooling elements or connections between stacked chips in smartphones. However, metals melt at a high temperature.
Tunneling electrons from a scanning tunneling microscope tip excites phonons in graphene. The image shows the graphene lattice with blue arrows indicating the motion direction of that carbon atoms for one of the low energy phonon modes in graphene.
"Why It Matterslithium-ion batteries have many uses besides powering cell phones and laptops. Developing safer, more powerful cells with longer life is a worldwide challenge,
#Toward tiny, solar-powered sensors The latest buzz in the information technology industry regards he Internet of thingsthe idea that vehicles, appliances, civil-engineering structures, manufacturing equipment,
"Harnessing Ambient light Typical color displays are essential yet power-hungry components of virtually every digital product with a human-machine interface, from cell phones and computers to home televisions and massive displays
however, can be scaled to match those of various mobile devices such as Internet-of-Things (Iot) enabled wearables and smartphones.
The researchers believe that this technology has the potential to change the smartphone experience and that of other personal devices."
'In conventional water splitters, the hydrogen and oxygen catalysts often require different electrolytes with different phone acidic,
interconnected grain boundaries that become active sites for the water-splitting catalytic reaction, 'Cui said.'
They are used also in flashes in mobile phones and as a complementary technology to batteries in order to boost performance.
The counterpart is curved a strongly mirror on the end facet of an optical fibre. Laser light is coupled into the resonator through this fibre.
Traditional displays like those on a mobile phone require a light source, filters and a glass plates.
When the new iphone came out, customers complained that it could be bent--but what if you could roll up your too big 6 Plus to actually fit in your pocket?
Consumers also demand phones to be lighter, faster, smaller, more flexible, wearable, bendable, etc. Yet silicon is also rigid--one can't bend your smart phone or computer.
These physical limitations have driven the race for new materials that can be used as semiconductors in lieu of silicon.
like a landline phone connection, rather than sending a broadcast signal, researchers at University of Michigan Life sciences Institute and University of Texas Southwestern Medical center have discovered.
which flies through the hollow channel in the interior of a photonic crystal fibre to measure different physical quantities, for example the electric field along the optical fibre.
and thus a fast Internet, have an inner channel made of glass with a high refractive index, surrounded by a cladding of glass with a low refractive index.
More precisely, they trap light in the inner channel similar to the different types of glass in conventional optical fibres.
however, enable several applications that are not possible with conventional optical fibres. The fact that the fibres have a hollow core was a crucial aspect for the team.
or protein subunits that have multiple sites for inactivation, but that are linked inextricably, this method allows for killing
Abbey Liebman 10 created a dress using conductive cotton threads capable of charging an iphone.
the Southwest-inspired garment captured enough sunshine to charge cell phones and other handheld devices allowing the wearer to stay plugged in.
When light strikes Tio2 and excites one of its electrons the silver will pull that electron away
At its most basic level, your smart phone's battery is powering billions of transistors using electrons to flip on and off billions of times per second.
which he himself called his greatest achievement, greater even than the telephone: the"photophone"."Bell's idea to transmit spoken words over large distances using light was the forerunner of a technology without
which the modern internet would be unthinkable. Today, huge amounts of data are sent incredibly fast through fibre optic-cables cables as light pulses.
which are used by computers and telephones, into optical signals. In Bell's days it was a simple, very thin mirror that turned sound waves into modulated light.
Modern telecommunications use laser light with a wavelength of one and a half micrometers, which accordingly is the lower limit for the size of a modulator.
there are modulators in every single fibre optic line. Every year increasing amounts of data need to be transmitted at ever higher speed,
In optical communications, laser pulses are used to transmit information along fiber-optic cables for telephone service, the Internet and cable television.
"Findings were detailed in a research paper appearing in July in the journal Optica("Epsilon-near-zero Al-doped Zno for ultrafast switching at telecom wavelengths"),published by the Optical
from 20-megapixel arrays for cellphone cameras to photo detectors to atomically thin transistors that when multiplied by the billions could fuel computers.
promises to capture all those stray radio waves emitted back and forth between wireless phones and the towers through
extending a smartphone's battery life by as much as 30%.%Announced as part of an upcoming Kickstarter fundraising campaign, the technology,
which Nikola's designers engineered into a special case made for Apple's iphone, reportedly harvests the electromagnetic radiation transferring to and from mobile phones and converts it into direct current (DC) electrical energy,
which is recycled then back into the phone's battery.""Nikola Technology efficiently converts RF signals like Wi-fi, Bluetooth,
and LTE into DC power using its proprietary energy harvesting circuit, "explains the company on its website."
"The result is usable energy that can provide power to mobile devices wirelessly.""Though not perfect by any means, Nikola energy-capturing case holds promise For a sponsorship contribution of $99,
early supporters of the project will gain exclusive first-issue access to the case, which doesn't so much charge an iphone actively as it does extend its normal battery life.
Still, the case's novelty, and more importantly its longer-term potential, is what stands to inspire a new generation to take advantage of energy inefficiency and waste.
One major drawback to the technology is that its relatively slow to harvest energy, and the case itself doesn't contain an actual battery of its own to store excess charge.
and form-fits well to the iphone, acting as an all-in-one battery extension package that's sleek, discreet and unobtrusive."
"As magical as this sounds, the iphone case won't be able to charge your phone from zero to 100,
either--the antenna and power-converting circuit can only extend the battery life of an iphone 6 by about 30,
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#Blown-up brains reveal nanoscale details Microscopes make living cells and tissues appear bigger. But what if we could actually make the things bigger?
and drive the car through an electroencephalography (EEG) headset manufactured by Emotiv. The BMW was fitted with a mechanical rig capable of pressing the pedals and turning the steering wheel on command
while the drivers received an EEG neuro headset to monitor their brain activity while being trained to remotely drive the car.
and gestures using their phone camera n
#Using Thought to Control a Robotic Arm The next generation of neuroprosthetics: More natural, effortless, intuitive movement achieved.
transmitting their instructions in real time via internet from their home country. By virtue of its video camera
by adding the concept of wireless communication, the biosensor could be placed in one part of the body,
The video is available at the karolinskainstitutet Youtube pageoriginal Research: Abstract for n organic electronic biomimetic neuron enables auto-regulated neuromodulationby Daniel T. Simon, Karin C. Larsson, David Nilsson, Gustav Burström, Dagmar
applicable for bridging injured sites and active prosthetics. se of Brain MRI Atlases to Determine Boundaries Of age-Related Pathology:
and looked at the longstanding theory that pain is transmitted from the site of injury or inflammation through the nervous system using an immune system cell called microglia.
#Detecting Eye diseases With Help of a Smartphone Researchers at the Medical and Surgical Center for Retina developed software that detects eye diseases such as diabetic macular edema using a smartphone.
The system is aimed at general physicians who could detect the condition and refer the patient to a specialist.
and uses the camera of the phone to detect any abnormality in the thickness of the retina. he idea is to detect
#Google working with Levis on smart clothes GOOGLE says it working with iconic US jean maker Levi strauss to make clothing from specially woven fabric with touch-screen control capabilities.
The internet titan used its annual developers conference in San francisco to reveal its so-called Project Jacquard
Project Jacquard is in the hands of a small Google team called Advanced Technology and Projects (ATAP),
which is different from the Google (x) lab that develops big-vision innovations such as self-driving cars. e are enabling interactive textiles,
and gesture interactivity into any textile using standard, industrial looms, according to Google. Anything involving fabric,
The data can be sent wirelessly to smartphones or other devices, enabling actions such as making phone calls or sending messages with brushes of fabric. n our hyper-digital world,
who took part in a Google presentation at the gathering. he work that Google and Levi are embarking upon with Project Jacquard delivers an entirely new value to consumers with apparel that is emotional, aspirational and functional. i
Sensors on the ground at Point Mugu mimic a ship landing system so the chopper simply picks up a radio beam
This is the worst in a string of threats to the site. Even before this engagement
destroying sites in the process. Before its retreat, the Syrian army evacuated as much of Palmyra's population as possible, together with the museum collections,
many other sites have been damaged in this and other conflicts and even more are harmed by activities such as development and agriculture.
By examining satellite imagery and historic aerial photography, the team looks for and records sites, monitoring the extensive landscape changes of the past 70 years.
working with local heritage agencies to better protect the sites in the future. Others are looking to new technologies to help, such as 3d scanning.
a leader in this field, is scanning as many heritage sites, objects, famous landmarks, and even rock-art sites, as possible.
It is making them internationally accessible online but also creating records that could be used for reconstruction.
Some of these sites are now in areas of great risk, such as Babylon and Mosul in Iraq.
Cyark's goals include scanning 500 heritage sites in the next five years. Such technology is improving exponentially quickly:
new 3d scanning devices are as small as mobile phones, and NGOS hope to deploy them in conflict areas including Syria.
#Gadgets powered wirelessly at home with a simple Wi-fi router Our homes are tangled a mess of wires and chargers.
Work is under way to use the Wi-fi signals that surround us to power our gadgets.
which modified electrical devices were put in their homes along with a Wi-fi router. Over 24 hours, the devices were powered solely by the router's signal,
which also continued to provide wireless internet access to the home. How was this possible? The energy of the radio waves the router sent out was converted into direct current voltage with a component called a rectifier,
much as solar panels convert light energy into electrical energy. That voltage was boosted then to a useful level by a DC-DC converter (arxiv. org/abs/1505.06815.
The system powered temperature sensors and battery-less low-resolution cameras, and charged standard batteries. The hard part is getting the router to constantly push out enough energy,
says team member Vamsi Talla from the University of Washington in Seattle. When someone is browsing the web,
the Wi-fi signal is active and can be used to power devices. However, when not browsing the signal goes quiet."
"With Wi-fi for communications, you only want to transmit when you have data to send, "Talla says."
"But for power delivery, you want to transmit something all the time. There's a clear mismatch.""To get around this, the team designed software that broadcasts meaningless data across several Wi-fi channels
when no one is using the internet. Small devices could use this as part of an internet of things,
says Ben Potter at the University of Reading, UK.""Where we're heading is to have more sensors in everything around us,
"The problem is that Wi-fi is never going to provide a very powerful signal. Wi-fi is regulated tightly in many countries the US Federal Communications Commission (FCC), for example, limits the power of a Wi-fi broadcast to 1 watt.
An iphone charger delivers at least 5 watts and has no other demands on its output. One company with a solution is Ossia in Bellevue, Washington.
It has called a system Cota that gets around the FCC regulations by designing a wireless hub that transmits waves at a Wi-fi frequency
but doesn't send a communications signal. The Cota setup can produce up to 20 watts
but would only deliver 1 watt to a single phone. CEO Hatem Zeine says that's enough to charge an iphone 5 several times over in a single day
if it has constant access to the signal.""Unlike Wi-fi, our power signal is unmodulated,
"says Zeine.""It's a continuous wave, there's no message in it.""A receiver chip on the device being charged tells the hub which of Cota's thousands of antennas it is receiving signals from.
Sensors powered by Wi-fi could be used to monitor air quality or the status of systems across a city
whether red light shone into mice's heads using fibre optics can help with Parkinson's disease. A better understanding of how red light affects cells should make it easier to expand its medical uses,
Clinical trials of the device will begin next year at three sites in France and Italy, aiming to compare its readings with those from traditional medical devices.
is an app that uses a smartphone camera to monitor blood levels in the face
and migrate to the affected sites. We could also use this technique to study the early development of complex organisms,
towns and rural communities to offer their citizens fast and cheap broadband Internet. The move would ask the Federal Communications Commission to address state laws that prevent cities from building their own municipal Internet services.
But it's likely to anger major cable and Internet companies. Obama announced his plans in Cedar Falls, Iowa,
which is home to a 1 GB broadband network 100 times faster than the national average."
"He said greater access to faster Internet will make the U s. more competitive globally.""There are real-world consequences to this,
because his state has rural communities with no access to the Internet.""It's become a pattern that he goes to a state where there's a Republican governor that's doing something that he'd like to replicate on a national level,
cities and rural communities that want to improve Internet service for their residents.""I believe that a community has the right to make its own choice
The plan is likely to be opposed by companies such as Comcast and Verizon, which provide Internet services around the nation.
Obama's support for net neutrality and an open Internet have angered already these firms because the president wants the Internet reclassified as a public utility.
Broadband for America a group whose members include major Internet service providers, said while it strongly agrees Obama's plan to expand broadband access,
the president"is risking the success we have witnessed by advocating for the reclassification of broadband as a Title II public utility unprecedented government interference that would stifle private investment,
hinder innovation and undermine the growth of the Internet.""Chattanooga, Tenn. Chattanooga's publicly owned electric company has built already a municipal broadband network in the city. and Wilson,
N c.,have asked the FCC to intervene against state laws that limit publicly funded Internet.""I believe that it is in the best interests of consumers
"FCC Chairman Tom Wheeler wrote in a blog post last year.""Given the opportunity, we will do so."
NPR's Joel Rose has reported previously on how some cities are taking high-speed Internet into their own hands o
#Centcom's Twitter Feed Youtube Channel Hacked The Twitter feed and the Youtube channel of U s. Central Command were compromised on Monday a Pentagon spokesman said.
We are taking appropriate measures to address the matter. I have no further information to provide at this time the spokesman said.
and that none of the information posted came from CENTCOM's server or social media sites.
On Twitter the hackers released what they purported was a phone list of retired U s. generals as well as
what appear to be presentation slides from the government-funded Lincoln Laboratory at MIT. Pentagon Networks Hacked one tweet read.
The only thing we know for sure is that credentials for the social media channels which are hosted on Twitter
and Youtube servers were compromised. Quoting defense officials Reuters reports that the images published on Twitter do not appear to pose a security threat
or include classified information. Twitter and Youtube have suspended the accounts s
#Researchers Create Artificial organs That Fit in Your Hand Great balls of cells! Scientists are developing mock human organs that can fit in the palm of your hand.
These organs-on-a-chip are designed to test drugs and help understand the basics of how organs function
when they are healthy and when they are diseased. For instance, you have your gut-on-a-chip being developed at the Johns Hopkins School of medicine.
#Wi-fi Everywhere May Let You Roam Free From Your Mobile Carrier To get the most out of your smartphone do need you really a cellphone plan?
when he spent a month relying only on Wi-fi networks for his mobile data and voice needs.
and adjustments to your routine you can get almost as much out of your smartphone with a monthly bill of $0.
but with Wi-fi they're hotspots Knutson said. So you can't walk down the street
while doing the Wi-fi only plan because the signals just don't carry far enough to cover you over long distances.
if you're offline companies stitching individual hotspots into networks and carriers with cheap plans that rely on Wi-fi first
and roam on the network of a cellular provider such as Sprint as a backup. Google on Monday announced its own plans to enter the cellphone carrier market The New york times reported:
The ease of his transition and the burgeoning competition could pose serious issues for the industry Knutson writes:
Knutson told Siegel that cellphone providers aren't worried about the competition saying there always will be a market for people who will pay money to have connectivity wherever they go
#Meet Mafiaboy The'Bratty Kid'Who Took Down The Internet This week, the country's second-largest health insurance company,
brought down the websites of Amazon, CNN, Dell, E*Trade, ebay, and Yahoo!.At the time, Yahoo!
was the biggest search engine in the world.""The New york stock exchange, they were freaking out, because they were all investing in these e-commerce companies,
It was his first time on the internet, and within a few days the 9-year-old hacked the system
and then harnessing their combined computing power to attack outside websites.""Basically when I hit enter on the keyboard,
and basically overwhelm websites with too much information, "he explains. It's called a denial-of-service attack.
Within hours, he had taken down six major websites.""The overall purpose was to intimidate other hacker groups,
He says the internet is a far scarier place today than it was back in 2000.
and the problems and inherent flaws that come with computers and internet. s
#Hackers Strike Health insurer Anthem The country's second-biggest health insurer says cyberattackers infiltrated one of its IT systems
email addresses and employment information, including income data, "wrote Anthem CEO Joe Swedish in a letter to the company's policyholders."
The company says it has established a dedicated website where members can access information, and a dedicated toll free number that both current and former members can call
One in nine Americans receives coverage for his medical care through Anthem's affiliated plans, according to a statement on its website e
Internet connections were getting faster, hard drives stored more data in tinier spaces, songs were easier than ever to find and available for little or no money.
The transition will speed surely the decline of the single-song download, and itunes, the world's largest music store, will feel that pain acutely.
Every time you click play on a streaming service, from Pandora to Youtube to Spotify, you're licensing the right to listen to the song in that particular moment,
the digital download, but also the concept that fans might possess music itself. No format lives forever.
"Furthermore, our light-field pattern can be incorporated readily into artificial reality headsets for self-calibration of near eye displays.
which in turn extends how far signals can travel in optical fiber without needing a repeater, said Nikola Alic, a research scientist from the Qualcomm Institute, the corresponding author on the Science paper and a principal of the experimental effort.
crosstalkthat arise between bundled streams of information travelling through the optical fiber are predictable, and therefore, reversible at the receiving end of the fiber. rosstalk between communication channels within a fiber optic cable obeys fixed physical laws.
In this study, we present a method for leveraging the crosstalk to remove the power barrier for optical fiber,
called the ptical carrierspropagating through an optical fiber. This approach compensates in advance for the crosstalk that occurs between the multiple communication channels within the same optical fiber. fter increasing the power of the optical signals we sent by 20-fold,
we could still restore the original information when we used frequency combs at the outset,
when it is sent through the optical fiber. With the frequency comb, the information can be unscrambled and fully restored at the receiving end of the optical fiber t
#Terahertz sensor achieves faster detection of hidden objects A new type of terahertz sensor, claimed to be much faster than competing technologies used to detect
such as the iphone's Siri
#New Algorithm enables Robot to Learn through Trial and error UC Berkeley's BRETT (Berkeley Robot for the Elimination of Tedious Tasks) is capable of learning through trial and error, like humans.
including future generations of film displays for smartphones and tablets e
#Laser-Writing of DVDS May have a Speed limit Phase-change materials used in DVDS and other digital storage media pass through a previously unknown intermediate atomic state under laser pulses.
which sends alerts to smartphones or readings directly to doctors, allowing them to profile how a person is managing their diabetes over time."
and refrigerators--to the Internet so they can work in concert with one another and be controlled remotely
and others like him (another team is building dissolvable circuits) are trying to deal with the e waste problem at the start--long before your phone gets stepped on or your computer crashes.
and so on. orbes speculates that that'and so on'could include anything from nail polish to cracked cell phone screens...
Unlike the screen of a cellphone, this display does need not to produce its own light source.
That good news as the devices are becoming increasingly advancedne day soon patients who feel a migraine coming on could simply ial downtheir pain from their smartphone
Waterproof and wireless, it can work even for smaller boats. The pod has its own battery pack
the Fish Scout pod creates its own Wi-fi connection with an impressive 320-foot range.
which has helped paved the way for flexible mobile phones. Recently published in leading micro/nanoscience journal Small
Before Google Project Jacquard, there was Byborre wifi-enabled pillow to combine technology, textile and shape.
Similar to an iphone, in which each user curates their own apps, the future suits will enable the owner complete control over the functions.
#Anti-Radiation Glasses Protect Against Computer Eye Strain Zappi glasses are designed to protect the wearer eyes from the harmful light given off by digital devices such as smartphones, tablets and computers.
and are designed for use with smartphones, computers, tablets, gaming screens and TVS. They also help reduce glare for those driving at night.
It can be controlled wirelessly via Bluetooth within a 30-foot range, making it easy to follow a subject movements.
on its site. The system will bring what Amazon thinks are more accurate reviews to the top
Amazon told technology site Cnet. Its first effects may not be visible for some time as the work only began on Friday.
especially in the initial stages of a product going on sale on any particular site. They post fake, inflationary reviews or pay users to do so on their behalf.
The practice known as stroturfingfake grassroots campaigns is widespread across a variety of sites and services.
more and more sites that host user reviews will have to implement smarter and smarter systems to prevent abuse.
Their flagship product has features familiar to the ubiquitous smartphone. The Grillo Active contains an accelerometer, Wi-fi and GPS.
But how will it work? The efficacy of a system relies on sensor placement. In wide areas, the more sensors installed, generally, the better.
and relayed back and forth through the Internet, removing the need for a separate infrastructure. The Grillo dashboard neatly puts together sensor data on a map
and Wi-fi speed and reliability beg to be asked. But Grillo, which means ricket, thinks outside the box and uses something we already widely used to do something greater.
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