New discovery of human touch

The touch of people is many times more accurate than what was previously known, to the nanoscale, according to the first study to measure tactile ability in humans.

New findings could boost the birth of touch screens for visually impaired people - (Photo: trendhunter)

Experiments at the KTH Royal Institute of Technology in Stockholm (Sweden) show that humans can detect wrinkles at the nanoscale as they slide their fingers on a surface that looks smooth.

Human fingers can distinguish between surfaces with small amplitudes at 13 nanometers, and the surface does not have a pattern, according to Phys.org quoted Professor Mark Rutland.

"This means that if your fingers are about the size of Earth, you can feel the difference between houses and cars ," Professor Rutland said.

According to the Swedish expert, it is one of the most interesting aspects of this study, because they found that humans can sense protrusions in molecular size.

New research could lead to inventions such as touch screens for visually impaired people and related products.