Archive for the ‘augmented reality’ category: Page 8

Mar 2, 2023

The future of touch: Researchers uncover physical limitation in haptic holography

Posted by in categories: augmented reality, virtual reality

Haptic holography promises to bring virtual reality to life, but a new study reveals a surprising physical obstacle that will need to be overcome.

A research team at UC Santa Barbara has discovered a new phenomenon that underlies emerging holographic haptic displays, and could lead to the creation of more compelling virtual reality experiences. The team’s findings are published in the journal Science Advances.

Holographic haptic displays use phased arrays of ultrasound emitters to focus ultrasound in the air, allowing users to touch, feel and manipulate three-dimensional virtual objects in mid-air using their bare hands, without the need for a physical device or interface. While these displays hold great promise for use in various application areas, including augmented reality, virtual reality and telepresence, the tactile sensations they currently provide are diffuse and faint, feeling like a “breeze” or “puff of air.”

Mar 1, 2023

Meta works on a flurry of AR/VR devices over the next 3 to 4 years

Posted by in categories: augmented reality, internet, neuroscience, virtual reality

Meta’s AR glasses could be launched in 2027.

Mark Zuckerberg’s Meta Platforms is doubling down on its virtual reality (VR) products and plans to rope in augmented reality (AR) experiences. It looks to define its position in the technology industry a few years from now. Thousands of employees of the Reality Labs Division at Meta were recently presented with a roadmap for the company’s products, which was then shared with The Verge.

VR, AR, and neural interfacesAlthough Zuckerberg has spoken mainly of the metaverse that the company would build as the future of the internet, Meta now seems to have taken its foot off the pedal to make the metaverse itself and focus on the tools instead and improving them.

Continue reading “Meta works on a flurry of AR/VR devices over the next 3 to 4 years” »

Feb 28, 2023

Innovative 3D Telemedicine to Help Keep Astronauts Healthy

Posted by in categories: augmented reality, biotech/medical, computing, space

During almost two-years of the COVID-19 pandemic, the growth of telemedicine and new ways of reaching people has changed and developed. In October 2021, NASA flight surgeon Dr. Josef Schmid, industry partner AEXA Aerospace CEO Fernando De La Pena Llaca, and their teams were the first humans “holoported” from Earth into space.

Using the Microsoft Hololens Kinect camera and a personal computer with custom software from Aexa, ESA (European Space Agency) astronaut Thomas Pesquet had a two-way conversation with live images of Schmid and De La Pena placed in the middle of the International Space Station. This was the first holoportation handshake from Earth in space.

Holoportation is a type of capture technology that allows high-quality 3D models of people to be reconstructed, compressed and transmitted live anywhere in real time.

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Feb 27, 2023

VKORC1 single nucleotide polymorphisms in rodents in Spain

Posted by in categories: augmented reality, biotech/medical, food, genetics, health

Rodents are considered one of the animal pests with the greatest impact on agricultural production and public health, especially the brown or Norway rat (Rattus norvegicus), the black or roof rat (Rattus rattus) and the house mouse (Mus musculus). Its control is an increasing problem worldwide. The intensification of agricultural production methods as well as the increase in merchandise transport to sustain growing populations is leading to an increase in waste production causing the growth of these rodent populations. The estimated losses in crop production caused by rodents range from between 5% and 90% (Stenseth et al., 2003) and this can cause problems in food security during harvesting (Belmain et al., 2015). Other negative impacts result from some rodent species living very close to human environments that can have a direct influence not only on human health through potential transmission of gastroenteric diseases and zoonosis to householders but also on domestic livestock. Therefore, rodent pest control is crucial and nowadays, the only effective control method available is the use of anticoagulant rodenticides (ARs).

ARs are so named because they interfere with the blood coagulation processes. The processes of activating various coagulation factors depends on the amount of vitamin K in its reduced form that exists in the organism. ARs inhibit the enzyme vitamin K 2,3-epoxide reductase (VKORC1) that is responsible for reducing vitamin K and maintaining the balance between its oxidized and reduced forms. The inhibition of VKORC1 prevents the activation of the coagulation factors resulting in animal death by internal bleeding. However, the intensive use of ARs can cause rodents to lose their susceptibility and become resistant to them. Genetic resistances to ARs are mainly associated with mutations or single nucleotide polymorphisms (SNPs) in the gene that codes for VKORC1 (vkorc1), causing amino acid substitutions in the VKORC1 protein ( Pelz et al., 2005 ). There are studies on this topic in several countries of central and northern Europe detecting rodent populations resistant to AR. Currently, there are at least 13 mutations mainly located in the exon 3 of the vkorc1 gene described in various countries of the European Union that confer resistance to specific ARs ( Berny et al., 2014 ; Goulois et al., 2017 ). In Eastern and Southern European countries, the information on the incidence of resistances to rodenticides is scarce, and it is becoming increasingly important to generate information on this subject ( Berny et al., 2014). In Spain, a mice population at the coastal countryside showing an adaptive introgression between house mouse and Algerian mouse that confers anticoagulant resistance has been described ( Song et al., 2011 ). While recently, four VKORC1 mutations in black rat were found in Toledo, Segovia and Zaragoza ( Goulois et al., 2016 ; Damin-Pernik et al., 2022 ). Any increase in resistant in rodent populations would lead to pest control issues that may causing serious agricultural, farming and public health problems.

Scientific advances have revolutionized the study of anticoagulant resistances in terms of understanding their genetic basis, physiological mechanisms and geographical distribution. The techniques based on the extraction and partial sequencing of genomic DNA allow a fast and precise monitoring of possible genetic resistances. Most of these tests involve laboratory studies using live rodents or blood samples taken from animals in the field. However, the improvement of DNA extraction techniques now allows the analysis of faecal samples (stool), increasing the number of samples that can be taken without the need for sampling by trapping or the management of dead animals (Meerburg et al., 2014). The importance of initial detection of genetic resistances due to mutations is crucial. The hypothesis of work, presenting it as a null hypothesis, is that there will be no rodent mutations in the vkorc1 gene in Spain.

Feb 27, 2023

Xiaomi unveils lightweight AR glasses with ‘retina-level’ display

Posted by in categories: augmented reality, mobile phones

While the chatter around the metaverse has slowed down, both social media companies and phone manufacturers have been experimenting with tech that could lead to commercial AR glasses. At the Mobile World Congress (MWC) in Barcelona, Xiaomi unveiled its new prototype Wireless AR Glass Discovery Edition, which weighs 126 grams and has a “retina-level” display.

Xiaomi has used a pair of MicroLED screens with a peak brightness of 1,200 nits and free-form light-guiding prisms to recreate an image. The company said that when PPD (pixels per degree) reaches 60, humans can’t perceive individual pixels. The Xiaomi AR glass display boasts 58 PPD, so that’s close enough.

Xiaomi said it is using electrochromic lenses to adjust viewing in different light conditions. The glasses also have a complete blackout mode for a fully immersive experience — kind of making it like a VR headset.

Feb 23, 2023

Wireless, soft e-skin for interactive touch communication in the virtual world

Posted by in categories: augmented reality, biotech/medical, engineering, internet, virtual reality

Sensing a hug from each other via the internet may be a possibility in the near future. A research team led by City University of Hong Kong (CityU) recently developed a wireless, soft e-skin that can both detect and deliver the sense of touch, and form a touch network allowing one-to-multiuser interaction. It offers great potential for enhancing the immersion of distance touch communication.

“With the rapid development of virtual and augmented reality (VR and AR), our visual and auditory senses are not sufficient for us to create an immersive experience. Touch communication could be a revolution for us to interact throughout the metaverse,” said Dr. Yu Xinge, Associate Professor in the Department of Biomedical Engineering (BME) at CityU.

While there are numerous haptic interfaces in the market to simulate in the , they provide only sensing or . The uniqueness of the novel e-skin is that it can perform self-sensing and haptic reproducing functions on the same interface.

Feb 22, 2023

3D printed smart contact lenses for augmented reality in-eye navigation demonstrated

Posted by in categories: 3D printing, augmented reality, energy

Researchers from the Korea Electrotechnology Research Institute (KERI) and the Ulsan National Institute of Science and Technology (UNIST) have created “core technology” for 3D printed smart contact lenses building on low-power monochrome displays and demonstrated its functionalities for augmented reality tools such as live navigation. The team’s research has been published in Advanced Science.

“Our achievement is a development of 3D printing technology that can print functional micro-patterns on a non-(planar) substrate that can commercialize advanced smart contact lenses to implement AR (Augmented Reality),” said Seol Seung-Kwon, Ph.D., of the team’s work. “It will greatly contribute to the miniaturization and versatility of AR devices.”

Feb 22, 2023

Replika’s chatbot dilemma shows why people shouldn’t trust companies with their feelings

Posted by in categories: augmented reality, robotics/AI

Users of the Replika chatbot system can no longer engage in erotic or sexual dialogue with their digital counterparts, after years of being able to do so. This highlights a dilemma when people become emotionally attached to chatbots.

Under the name “AI Companion”, Replika is marketing a chatbot system that, like ChatGPT and the like, converses with users in natural language and is also embodied as a visual avatar. Replika will be “there to listen and talk” and “always on your side”, the company promises. With augmented reality, you can project the avatar chatbots life-size into your room.

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Feb 20, 2023

This video explores Artificial Super Intelligence and how it will change the world

Posted by in categories: augmented reality, bioengineering, biological, genetics, mathematics, Ray Kurzweil, robotics/AI, singularity, transhumanism

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Continue reading “This video explores Artificial Super Intelligence and how it will change the world” »

Feb 14, 2023

3D-printed smart contact lens with navigation function

Posted by in categories: 3D printing, augmented reality, biotech/medical, health

Dr. Seol Seung-Kwon’s Smart 3D Printing Research Team at KERI and Professor Lim-Doo Jeong’s team at Ulsan National Institute of Science and Technology (UNIST) developed core technology for smart contact lenses that can implement augmented reality (AR)-based navigation, with a 3D printing process.

A smart contact lens is a product attached to the human eye like a normal lens that provides various information. Research on these lenses is currently focused mainly on diagnosing and treating health problems. Recently, Google and others are developing smart contact lenses for displays that can implement AR. Yet many obstacles to commercialization exist due to several technical challenges.

In implementing AR with smart contact lenses, electrochromic displays that can be driven with low power are necessary, and a “pure Prussian blue” color, with cost competitiveness and quick contrast and transition between colors, is attracting attention as the lens’ material. In the past, the color was coated on the in the form of a film using the electric plating method, which limited the production of advanced displays that can express various information (letters, numbers, images).

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