Technological Breakthrough Could Make Holograms Touchable

Published 16 October 2020, 12:07

Phys.org reports that the researchers are part of the H-Reality, a European consortium that uses the theory in developing novel virtual reality technologies that included the sense of touch.

That means science is one step closer to touching things while using the technology of virtual reality.

Using Rayleigh Waves in Making Touchable Holograms

The sensations of sight and hearing are experienced in virtual reality technology. Soon, the sense of touch will also be part of it. Thanks to the researchers looking into using Rayleigh waves to send signals to the brain to make holograms touchable.

Rayleigh waves are seismic waves commonly associated with earthquakes discovered in 1885 by John William Strutt, Lord Rayleigh. These waves are the energy that passes over the surface of an object when hit, leading the researchers to create the first scaling law of the sense of touch.

This is being used in the technology of VR in hopes of incorporating the sense of touch. The researchers discovered that Rayleigh waves travel through the skin and bone layers, which the body's touch receptor cells pick up and send the message to the brain.

They used mathematical models of touch receptors to show how it responds to the Rayleigh waves, which could vary on different species. Still, the wavelength's rate remains the same based on receptor depth, enabling the universal law to be defined.

The law is based on approaches that were first developed a hundred years ago to model earthquakes. Georg von Békésy won the Nobel Prize in physics and who first suggested that the mathematics of earthquakes can be used to explore connections between Rayleigh waves and touch.

Study lead author Dr. Tom Montenegro-Johnson from the School of Mathematics of the University of Birmingham said that touch is an essential primordial sense and the most complex, making it the least understood of the senses. The technological breakthrough is the first to explain the sense of touch in this manner.

A technological breakthrough by the researchers from the University of Birmingham, published in Science Advancesuses the Rayleigh waves to make virtual reality touchable.

 

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