Touching the future: 3D Displays Redefinded
UPNA Researchers Unveil Mid-Air Holographic Interaction with Elastic Volumetric Technology
UPNA researchers created a 3D mid-air display allowing natural hand interaction with virtual objects using an elastic diffuser and high-speed projections.
Dr. A breakthrough in three-dimensional display technology has been made by Elodie Bouzbib from the Public University of Navarra (UPNA), along with Iosune Sarasate, Unai Fernández, Manuel López-Amo, Iván Fernández, Iigo Ezcurdia, and Asier Marzo. The team demonstrated successfully 3D graphics that can be manipulated with hand gestures while in the air. The Institute of Smart Cities is made up of members like Iigo Ezcurdia and Asier Marzo. ‘What we see in films and call holograms are typically volumetric displays,’ explains Bouzbib, the lead author of the study. ‘These are graphics that appear in mid-air and can be viewed from various angles without the need for wearing virtual reality glasses. They are called true-3D graphics.’ She adds that ‘they are particularly interesting as they allow for the “come-and-interact” paradigm, meaning that the users simply approach a device and start using it.’
"Commercial prototypes of volumetric displays already exist, such as those from Voxon Photonics or Brightvox Inc., but none allow for direct interaction with the holograms," the group writes. Lead researcher Asier Marzo explains that direct interaction involves ‘being able to insert our hands to grab and drag virtual objects.’ He continues: ‘We are used to direct interaction with our phones, where we tap a button or drag a document directly with our finger on the screen – it is natural and intuitive for humans. This project enables us to use this natural interaction with 3D graphics to leverage our innate abilities of 3D vision and manipulation.’
How these holograms work and how they can be used in real life Images are projected synchronously at a high speed on volumetric displays, which have a fast oscillating sheet known as a diffuser. The images that are projected onto the diffuser at various heights are perceived as a complete volume due to the persistence of vision. A volumetric display with reach-through interaction is shown in this video. how it functions, interacts, and can be used. Iigo Ezcurdia, 2025, is credited. “The problem,” notes the research team, “is that the diffuser is usually rigid, and if it comes into contact with our hand while oscillating, it may break or cause injury.” After testing various materials for their optical and mechanical properties, the team has replaced the rigid diffuser with an elastic one in order to address this issue. According to Bouzbib, the issue is that "elastic materials deform and require image correction." This innovation enables new ways to interact with 3D graphics, allowing users to grasp and manipulate virtual objects naturally. They demonstrate, "For example, simulating walking legs on a surface using the index and ring fingers, or grasping a cube between the index and thumb to move and rotate it." We use screens and mobile devices for everything from work and education to entertainment. The ability to directly manipulate three-dimensional graphics has applications in education, such as visualizing and putting together engine components. Moreover, multiple users can interact collaboratively without the need for virtual reality headsets. The research team explains, "These displays could be especially useful in museums, for example, where visitors can simply approach and interact with the content."
WRITTED BY ME
About the Creator
Mahafuj Alam
🗞️ Mahafuj Alam | News Curator & Independent Media Voice
delivering news quickly, accurately, and bravely, including headline breaking stories and untold local stories. Stay informed. Keep your power.
Keep reading
More stories from Mahafuj Alam and writers in Fiction and other communities.
Fair Play: Finding Clarity in the Clues
Even when very little does make sense, we humans use narratives to make sense of the world around us. We tell ourselves stories to relax and amuse ourselves. In tumultuous times, people frequently turn to escapist forms of entertainment as a means of disengaging from the broader world. We also find that we frequently turn to detective fiction. People became increasingly interested in bridge, mahjong, and crossword puzzles after the First World War, and this "play fever" quickly spread to detective novels. Murder mystery writers began to write books that were puzzles to be solved and that complied with the fair play doctrine – the concept that the reader should have a fair chance to solve the mystery before the grand reveal. The trick was to give the reader enough clues to have "a sporting chance to solve the mystery," as TS Eliot put it. The authors of Golden Age detective novels were concerned about fairness that does not exist in the real world. In a whodunnit, where everyone knows their part and the story is new and exciting, but ultimately familiar and comforting, life is so much easier. There are solutions, conclusions, and a person you can blame in detective novels. Someone will always be to blame. Someone to haul off to the scaffold. “Once the murderer leaves, the world of the novel begins to approach its former peacefulness...cleansed of guilt, free of complication and obstacles, recreated anew from the shambles of a temporary disorder...the happy and orderly end toward which the detective has been working,” George Grella writes in his essay Murder and Manners: The Formal Detective Novel. However, reality is clearly not like that. It may be tempting to view life as a mystery that must be resolved. And indeed, tempting to believe that everything has a clear and single explanation. Because there is always a solution, we enjoy solving puzzles. We enjoy detective tales because we are aware that there will ultimately be a satisfying reveal—a straightforward narrative that makes everything make sense. Party games based on murder mysteries like Wink Murder and Murder in the Dark gained a lot of popularity during the Golden Age. This gamification of death took the power, the sting, out of a terrible tragedy and emphasised that of course none of this was actually real – it was in fact just a game. the ideal remedy for dealing with the public aftermath of World War I. The popularity of escape rooms, the rise in sales of jigsaw puzzles during the pandemic, and crime logic gamebooks like GT Karber's Murdle series have all occurred more recently, during our own turbulent times. A piece titled "Why do People Read Detective Stories?" was published in The New Yorker in 1944 by American literary critic Edmund Wilson. He came to the conclusion that the "all-pervasive feeling of guilt and by a fear of impending disaster which it seemed hopeless to try to avert because it never seemed conclusively possible to pin down the responsibility" was the reason for the popularity of detective fiction in the years between the two world wars. Who was responsible for the first crime and who would be responsible for the subsequent one? The murderer is suddenly discovered, and relief! He is not, after all, a person like you or me. Nobody appears innocent or safe. He is a bad guy who is known as George Gruesome in the industry. He has been caught by an invincible Power, the egotistical and omniscient detective who knows exactly how to get rid of the guilt. In more recent times, detective fiction, particularly those written in the Golden Age style, has once more attracted readers. The Guardian reported in July 2020, as UK bookshops reopened, that nearly 120,000 more crime and thriller books were purchased in the final two weeks of June 2020 than at the same time the previous year. Crime was, during this period, the UK’s most popular book genre. Another indication of their growing popularity was the Crime Writers' Association's announcement in 2023 that their awards for classic or "cosy crime" novels would now include a Whodunnit Dagger. With Mystery in White by J, The British Library's Crime Classics series has continued to sell well. Jefferson Farjeon became a number one bestseller for Waterstone’s.In my novel Fair Play, I use the fair play rules together with the familiar structure of a Golden Age detective novel – with its murder, its suspects, its Watson and its reveal – to explore the emotions around grief. Abigail, the main character, alternates between the real world and the fictional world of the detective novel following the sudden death of her brother. She is looking for clues—answers—in both worlds to comprehend her circumstances. In the midst of the unpredictability of real life, the murder mystery provides her with a familiar path and much-needed comfort during her grief. In a detective novel, we are aware that we are getting closer and closer to a conclusion—the answer we have been looking for—within each chapter. At least, that's what Abigail hopes for. "We are lost and unhappy in a universe that seems to make no sense, and cling to science, machines, and detective fiction, just because, within their limited fields, the problems do work out, and the end corresponds to the intention," Dorothy L. Sayers writes in her book "Begin Here," which was published during the Second World War.
By Mahafuj Alam9 months ago in Fiction
Off the Book
It ended like every other stupid idea. Badly, and alone. I’m researching digital confession ethics, he said. A tech ethicist. He gestured at floating data I couldn’t see then pulled out a physical notebook. Actual paper, fountain pen. He held it up like he was showing me scripture.
By Nicky Frankly3 days ago in Fiction
A Letter to the Firestarter
Dear Firestarter, We can all see you, we've been watching you since you began. In case you didn't know we were here before you and we will be here after. We witnessed your rise, your setbacks, your guilt and your lies. We witnessed you start the fire.
By Donny Foley3 days ago in Poets
Comments
There are no comments for this story
Be the first to respond and start the conversation.