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  An analysis of 1,000 genetically diverse mice on different types of calorie-restricted diets and intermittent fasting shows that the potential benefits of these strategies are more complex than previously thought          A longer life may result from consuming fewer calories. Though genetics may have a basic role, the reality may be far more complex than previously believed, despite the repeated emphasis on this theory in recent years. This is clarified by a thorough investigation conducted on nearly a thousand genetically varied mice, which was released on Wednesday in the scholarly journal Nature. While it has been demonstrated that calorie restriction extends life in all rodents, the impact on their well-being varies. The information offers subtleties, specifics, and fresh insights into the intricate connection between food restriction and long life.   In a phone interview, biologist Andrea di Francesco and geneticist Gary Churchill, who co-...
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Virtual Reality

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  An Overview of Virtual Reality

A game-changer, virtual reality (VR) technology simulates physical presence in imagined and actual worlds through the creation of immersive, computer-generated experiences. Virtual reality (VR) provides users with the impression of being in a distinct world by utilizing sophisticated visual, audio, and occasionally haptic (touch) feedback. Because it offers fresh and creative ways to engage with digital information, this state-of-the-art technology is revolutionizing a number of industries, including gaming, entertainment, education, and healthcare.


Head-mounted displays (HMDs), like the Oculus Rift, HTC Vive, and PlayStation VR, are the fundamental tool used by virtual reality (VR) technology to provide immersive, high-quality experiences. In order to track the user's motions and modify the virtual environment appropriately, these gadgets frequently come equipped with motion tracking technologies, which heighten the immersive experience.

TYPES OF VIRTUAL REALITY

1.Non immersive VR:

  • Desktop VR: Uses a computer screen to display the virtual environment. Users interact with the environment using a keyboard, mouse, or other input devices. Examples include certain educational simulations and some video games.
    • Augmented Reality (AR): Overlays digital content on the real world through devices like smartphones or AR glasses. While not fully immersive, it blends virtual and real environments.





    2.Semi immersive VR:

  • CAVE Systems (Cave Automatic Virtual Environment): Involves projection of VR content on the walls, floor, and ceiling of a room-sized cube. Users often wear 3D glasses to experience the depth of the content, creating a semi-immersive experience.
    • Panoramic Display Systems: Utilize multiple screens or a curved display to surround the user with the virtual environment.







    3.Full immersive VR:

    Head-mounted displays, or HMDs, are virtual reality headsets that totally enclose the wearer's field of vision and offer an incredibly immersive experience. Integrated motion sensors and occasionally hand controllers for interactivity are common features of these. Oculus Rift, HTC Vive, and PlayStation VR are a few examples.
    Motion platforms and treadmills: When paired with head-mounted displays (HMDs), these enable users to move naturally in the real world while their motions are transferred into the virtual world.
    4.MR, or mixed reality:

    Real-time interaction with both digital and physical items is made possible by the combination of AR and VR features.
    Magic Leap and Microsoft HoloLens 2 are two examples of such devices.
    360-Grad Videos:

    allows viewers to glance about in every direction in a pre-recorded setting, creating an immersive experience.
    Reachable via VR goggles, PCs, and smartphones.





    5.Web VR:

    virtual reality experiences that don't require special apps or software to access through web browsers.
    Observable on gadgets such as Google Cardboard, examples include VR content produced using WebVR APIs.




    6.VR on a mobile:

    provides a basic virtual reality experience by using cellphones placed into VR headsets (such as Samsung Gear VR or Google Cardboard).
    easier to use but not as strong as specialized VR systems


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