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Scientists Develop ‘Magical’ Metamaterial for a Perfect Lens

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Scientists at Michigan Technological University have developed a ‘magic’ metamaterial that could be used to build a perfect lens – a lens that would permit seeing with the naked eye microscopic details that today can be seen only with powerful microscopes.

A superlens would let you see a virus in a drop of blood and open the door to better and cheaper electronics. It might, says lead researcher Durdu Güney, make ultra-high-resolution microscopes as commonplace as cameras in our cell phones.

The research is published in Physical Review Letters with the title “Plasmon Injection to Compensate and Control Losses in Negative Index Metamaterials.” A preliminary version of the paper is freely available online at the preprint server arXiv.

A Metamaterial Engineered to See the Microscopic World with the Naked Eye

Bacteria“Metamaterials have introduced a whole new world of unusual materials with functionalities that cannot be attained in naturally occurring material systems by mimicking and controlling the natural phenomena at subwavelength scales,” say the researchers. “These findings open the possibility of reviving the early dreams of making ‘magical’ metamaterials from scratch.”

Metamaterials are materials engineered to have new properties useful for specific applications. Metamaterials can be built with conventional base materials arranged in repeating patterns at microscopic or smaller scales, and derive their properties not from the properties of the base materials, but from their designed structure. The metamaterial used by the Michigan Tech researchers, a thin silver film engineered to interact with light waves in new ways, is a ‘negative index’ metamaterial that doesn’t just pass through propagating light waves but also amplifies decaying light waves.

“In order for the perfect lens to work, you have to satisfy a lot of electromagnetic constraints,” explained Güney. “We don’t know how exactly the required optical modes [light waves in the material] need to be excited and protected in the lens for the perfect construction of an image.”

In their coherent optical amplification technique to compensate losses in metamaterials with a “plasmon-injection” scheme, knowing which light wave crumbles as it passes through the negative index lens, the researchers are able to engineer a “sacrificial wave” that shields the desired light wave, allowing it to pass through.

“Imaging is one of the key technologies for this work,” said Güney, adding that a perfect lens could make science and medicine real for people.

It will make life easier to understand because people will be able to see it with their own eyes.

Images from Michigan Technological University and Pixabay.

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Crypto Market Development: South Korea’s National Policy Committee Chair Calls For ICO Legalization

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  • A member of South Korea’s governing Democratic party and the chairman of Korea’s National Policy Committee, Min Byung-Doo, is urging to ease the current regulations on Initial Coin Offerings (ICOs).
  • Min Byung-Doo wants to introduce necessary regulatory framework, allowing ICOs in the country.

Allow ICOs In South Korea

The South Korean National Policy Committee Chief, Min Byung-Doo, is calling for a regulatory framework to be explored. This would be to allow for Initial Coin Offerings (ICOs) to take place within the country. He stated that the current prohibiting of ICOs weakens the industry’s competitiveness appeal with foreign markets. Further boldly adding, this would be preventing growth.

In his statement at to lawmakers, Byung-Doo said, “We can see that the flow of investment is clearly changing compared to ICO and angel fundraising. The ICO has raised $1.7 billion for Telegram and $4 billion for Block.One, it is getting bigger and bigger.”

Further in the statement, Min Byung-Doo said, “Let the government, the National Assembly and the blockchain association quickly create a working group to block fraud, speculation, money laundering and develop the block-chain industry,”. However, he acknowledged the government’s reluctance to create the needed framework.

In September 2017, the Financial Services Commission in South Korea announced a ban on ICOs. The law has not yet been enacted.

Crypto Market Reaction

A lack of reaction has been observed for now, despite this determination to help further legitimize the digital currency market in South Korea. Crypto market developments in the country are always watched very carefully. This is given their large crypto market participation. It was reported in December 2017 that South Korea accounted for as much as 17% of all Ethereum trades occurring in cryptocurrency markets.

Market Reactions To South Korean Related News

Ripple (XRP) crashed in January, following CoinMarketCap’s decision to remove XRP price data from Korean exchange desks. This as a result largely brought down the total average.

XRP/USD Coinmarketcap update triggered drop

On 11th January, Korean crypto exchange Coinrail was hacked, and over $40 million in tokens were stolen. Bitcoin initially dropped over 11% on this.

BTC/USD Coinrail hack triggered drop

One final example, UPbit, a South Korean exchange, was investigated by authorities for illicitly moving customer funds to the account of its executives. Bitcoin initially dropped over 7% on the news.

BTC/USD UPbit investigation triggered drop

Given the above mentioned, one should keep an eye on any developments coming out of South Korea, for the foreseeable future.

Disclaimer: The author owns bitcoin, Ethereum and other cryptocurrencies. He holds investment positions in the coins, but does not engage in short-term or day-trading.

Featured image courtesy of Shutterstock.

Important: Never invest (trade with) money you can't afford to comfortably lose. Always do your own research and due diligence before placing a trade. Read our Terms & Conditions here. Trade recommendations and analysis are written by our analysts which might have different opinions. Read my 6 Golden Steps to Financial Freedom here. Best regards, Jonas Borchgrevink.

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4.5 stars on average, based on 29 rated postsKen has over 8 years exposure to the financial markets. During a large part of his career, he worked as an analyst, covering a variety of asset classes; forex, fixed income, commodities, equities and cryptocurrencies. Ken has gone on to become a regular contributor across several large news and analysis outlets.




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Crypto Market Update: Japan’s Self-Regulatory Group (JVCEA) Readying Tighter Rules on Digital Assets

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  • A group of cryptocurrency exchange operators in Japan is readying to tighten up measures following recent cyber breach.
  • Action follows reported hack earlier in the month; cryptocurrency exchange Zaif lost an estimated $59.67 million.

Self-Regulatory Group Set To Tighten Rules

The Japan Virtual Currency Exchange Association (JVCEA) is exploring new rules to safeguard against cyber theft, including setting a cap on the amount of digital currencies managed online. This is citing informed sources, being reported by local news outlet, the Japan Times.

Informed sources detailed that the cap will likely to be around 10 – 20% of customer deposits. The JVCEA are said to be soon revising its rules, which were originally drawn up in June following multiple cyber attacks. These will be implemented once all has been approved by the Financial Services Agency. This is as part of the payment services law process in the country.

The move likely received large motive due to the reported hack earlier in September. The Japanese start-up Tech Bureau said that its cryptocurrency exchange, known as Zaif, had been hacked. Losses were estimated around $59.67 million of Bitcoin and two other digital currencies -Bitcoin Cash and Monacoin.

Market Reaction

No initial reaction was observed across the cryptocurrency market on this latest update, coming out of Japan as of Sunday 30th September. Despite this, however, Japan and crypto sell-off are not uncommon to have been used in the same sentence over the past years and even months. This means volatility could be in store for digital assets in the short term.

Back in January of this year, the largest reported hack on a Japanese exchange took place with Coincheck losing $530 million worth of NEM in a coordinated attack. This incident massively spooked the market, and was  a heavy contributor to the large sell-off in January. As we’ve observed over the past eight months, the market has yet to reclaim January’s peak (although this can’t be solely attributed to the theft). At the time, South Korea’s Attorney General had already spooked investors with FUD related to the possible banning of digital currencies in the country.

Against this backdrop, investors are advised to pay attention to Japan-related volatility.

BTC/USD weekly chart

Most recently, looking in the month of June, another sell-off was seen. This one came after Japan’s financial regulator ordered several cryptocurrency exchanges to improve their practices against money laundering. The action led bitFlyer — the country’s largest crypto exchange — to suspend new account creation. This was initiated to improve internal processes in order to curb money laundering and terrorist financing.

Disclaimer: The author owns bitcoin, Ethereum and other cryptocurrencies. He holds investment positions in the coins, but does not engage in short-term or day-trading.

Featured image courtesy of Shutterstock.

Important: Never invest (trade with) money you can't afford to comfortably lose. Always do your own research and due diligence before placing a trade. Read our Terms & Conditions here. Trade recommendations and analysis are written by our analysts which might have different opinions. Read my 6 Golden Steps to Financial Freedom here. Best regards, Jonas Borchgrevink.

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4.5 stars on average, based on 29 rated postsKen has over 8 years exposure to the financial markets. During a large part of his career, he worked as an analyst, covering a variety of asset classes; forex, fixed income, commodities, equities and cryptocurrencies. Ken has gone on to become a regular contributor across several large news and analysis outlets.




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Hacking Matter

The 2016 Nobel Prize in Chemistry Vindicates Radical Visions of Molecular Nanotechnology

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The Nobel Prize in Chemistry 2016 was awarded jointly to Jean-Pierre Sauvage, Sir J. Fraser Stoddart and Bernard L. Feringa “for the design and synthesis of molecular machines.” The award vindicates the dreams of nanotechnology enthusiasts, and points the way to the molecular nanotechnology proposed by Drexler in the eighties.

(more…)

Important: Never invest (trade with) money you can't afford to comfortably lose. Always do your own research and due diligence before placing a trade. Read our Terms & Conditions here. Trade recommendations and analysis are written by our analysts which might have different opinions. Read my 6 Golden Steps to Financial Freedom here. Best regards, Jonas Borchgrevink.

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Giulio Prisco is a freelance writer specialized in science, technology, business and future studies.




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