including two-dimensional thumb movements. The interface system achieved a greater level of finger movement precision and degree of freedom than previously possible. Scientists extended the ...

very precise thumb movements, but we lost a lot of muscles that are going to the other digits. "In our evolution, we do not need them so much. "Why are they there? Probably, we cannot just say in ...

The ball itself is small, so you may have to make more thumb movements to move across a big screen than you would with a larger model, but it’s lighter and less bulky than those of our finger-op ...