Hi Tech & Innovation

A three-stage authentication system for the metaverse

In recent years, many computer scientists have been exploring the notion of metaverse, an online space in which users can access different virtual environments and immersive experiences, using VR and AR headsets. While navigating ...

Electronics & Semiconductors

A new approach for the 3D printing of hydrogel-based electronics

Hydrogels are three-dimensional (3D) polymer networks that do not dissolve in water but retain large amounts of liquids. Due to this advantageous property, hydrogels are particularly promising material platforms for both ...

Hardware

WeTac: A small, soft and ultrathin wireless electrotactile system

Virtual reality (VR) and augmented reality (AR) headsets are becoming increasingly advanced, enabling increasingly engaging and immersive digital experiences. To make VR and AR experiences even more realistic, engineers have ...

Robotics

A soft, fatigue-free and self-healing artificial ionic skin

In recent years, roboticists and material scientists worldwide have been trying to create artificial systems that resemble human body parts and reproduce their functions. These include artificial skins, protective layers ...

Robotics

The Wheelbot: A symmetric unicycle with jumping reaction wheels

Researchers at RWTH Aachen University in the team of Prof. Sebastian Trimpe and the Max Planck Institute for Intelligent Systems (MPI-IS) Stuttgart have recently developed the Wheelbot a symmetric reaction wheel unicycle ...

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