Scientists have created a ‘smart tattoo’ that can be applied to human skin and shine. These tattoos rely on the same light-emitting technology found on everything from TVs and smartphone screens.
However, they can be applied in the same way as a temporary tattoo, placed on paper, and then transferred to a person’s skin. That technology can be used to make an athlete’s skin glow if they need to drink water. The tattoo can also light up as a warning if a person is exposed to the sun. They can also be applied to objects, such as food, which can signal when they have passed their expiration date.
But it is not only needed to be worn functionally, and glowing tattoos can also be used for fashion. Seeing this, a researcher from University College London, Franco Cacialli, gave his comments.
“The tattooable OLED we’re showing you for the first time can be made on a large scale and very cheaply. They can be combined with other forms of electronic tattooing for a very wide range of uses, ”says Franco Cacialli.
“This could be for fashion – for example, providing glowing tattoos and light-emitting nails. In sports, they can be combined with a sweat sensor to signal dehydration. “, he continued.
“In health care, they can emit light when a patient’s condition changes – or, if the tattoos are changed towards the skin, they could potentially be combined with light-sensitive therapy to target cancer cells, for example,” he said.
“Our proof-of-concept study is the first step. Future challenges will include encapsulating the OLED as much as possible to stop it from deteriorating quickly through contact with air, as well as integrating the device with a battery or supercapacitor. “He concluded.
However, this will not be the first time engineers have built new technology into tattoos. This statement was made by the senior author and a researcher at the Italian Institute of Technology, Virgilio Mattoli.
“At the Italian Institute of Technology, we have previously pioneered electrodes that we have tattooed onto people’s skin which can be used to perform diagnostic tests such as an electrocardiogram,” said Virgilio Mattoli.
“The advantage of this technology is that it is cheap, easy to apply and use, and is easy to wash with soap and water.” he continued.
The new study saw researchers build OLED devices just 2.3 micrometers thick, less than 400 millimeters, or one-third the length of a blood cell. It consists of an electroluminescent polymer, which ignites when an electric field is applied, which is then placed on an insulating layer and standard tattoo paper.
Positive changes on the market. RAM is finally getting cheaper
RAM prices started to drop by 5-10 percent. both on the American and European markets.
Cowcotland reports that several Corsair and G.Skill module kits have already fallen by € 5-15 this month. In the US, prices for 16GB and 32GB RAM kits drop by an average of $ 10 to $ 30.
CowCotland reviewed price charts for several G.Skill and Corsair products, including the Trident Z and Vengeance lines. Some kits, such as the 2x8GB Trident Z and 2x4GB Aegis kits from G.Skill, were only cheaper by € 1-3. However, other kits, such as the G.Skill Trident Z 2x8GB 3000MHz, Corsair Vengeance LPX 2x8GB 3200MHz, or the G.Skill Trident Z 2x8GB 4000MHz show larger drops of 15-20 euros.
According to PCPartPicker, in the US, the same price cuts also apply to 32GB and 16GB kits. Especially the Corsair 2×8 GB LPX and RGB Pro 3200 MHz CL16 kits fell by almost $ 10-20 in August.
In general, more common memory kits suffer from greater price reductions, and rarer high-clocked kits with low latency have higher downgrade tolerance. The same applies to four-channel sets.
We recently wrote that contract prices in the RAM market should drop by a maximum of 5%. This is because manufacturers have to cut prices to get rid of excess inventory. The contract market situation translates into consumer prices with some delay.
Unfortunately, it is impossible to predict how long the price cuts will last. The last three quarters have seen steadily rising RAM prices, so reversing this trend is a major respite for consumers.
China Launches World’s First Glass Cable Car, Gives Passengers Beautiful Views
China has debuted its first glass-bottomed sky train, which will allow passengers to see 270-degree views of the country’s beautiful landscape.
According to a report on CNN, adapted on Wednesday (7/7/2021), the glass-bottomed sky train, which resembles the country’s most popular animal – Panda, was launched from the production line from Chengdu, Sichuan Province on June 26.
The train runs on renewable energy and can travel at a speed of 80 km/h. The train is part of the Dayi Air-rail project, which includes China’s first renewable energy suspension rail demonstration track.
According to Global News, reported on Wednesday (7/7/2021), the new energy aerial rail refers to a cable car driven by a lithium battery power pack.
Maximum 120 people can fit in each car. Given the fact that glass can reflect heat, the train is air-conditioned to balance it. It is made of lightweight carbon fiber material. Unlike the subway or light rail, the air-rail project combines tourist traffic and sightseeing features.
The Dayi Railway, with a distance of about 11.5 kilometers, has four stations connecting several important tourist points. The project is being developed by Zhongtang Air Rail Technology. They are targeting construction to be completed by the end of this year.
“The new generation of vehicles weighs about 2.5 tons, is 0.5 tons lighter than traditional ones, and has the lowest self-weight coefficient in the industry,” Zhong Min, deputy general director of Zhongtang Air Rail.
This YouTuber Builds a Mini PC That Can Run the macOS Big Sur Operating System
Running the macOS operating system on PC devices has become a common thing, but what happens if the operating system is run on a mini PC with not too high specifications? Of course, that’s a pretty interesting thing.
Recently a YouTuber named Ike T. Sanglay or Iketsj has uploaded a video where he tries to assemble a PC device that will later run Apple’s macOS.
Initially, Iketsj used the LattePanda Alpha SBC board which was then equipped with an Intel Core M3, 8GB RAM, 240GB SSD, and was also connected to an Arduio Leonardo.
The process of making the casing is also shown where Iketsj made it using a 3D printer. The results of the case can be said to be quite good where he can include all components such as the board, screen, and keyboard in a size that is not too large.
Although the process of installing macOS Big Sur (Hackintosh) on the device is not shown, at least Iketsj shows how the macOS can be used smoothly.
In the video, Iketsj says that it costs more to assemble the device than buying a Mac Mini from Apple. But Iketsj wants to do something challenging and doesn’t want to buy a ready-made device.
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