3D-printed hand can play Jingle Bells

The scientists made 3D.

Printing robot who can play jingle on the piano.

Researchers at the University of Cambridge say the soft and hard materials in this design replicate the bones and ligaments of the human hand, not the muscles or tendons.

The hand cannot move the finger independently, but simple musical phrases can be played by moving the wrist

It is called 'passive' movement.

In order to test its dexterity, it was 'taught' to play a few songs, including the bell.

Scholars say the project shows the challenge of copying all the capabilities of the human hand and how many complex movements can still be achieved through design.

Dr. Fumiya Iida, who led the study, said: 'The fundamental motivation of this project is to understand specific intelligence, that is, intelligence in our mechanical bodies . '.

'Our bodies are made up of intelligent mechanical designs such as bones, ligaments, and skin that help us behave intelligently even without an active brain --led control.

'By using the status-of-the-

Art 3D printing technology for printing human

Like soft hands, we are now able to explore the importance of physical design independently of active control, which is not possible with human piano players, because the brain can't 'shut down' like our robots '.

'The findings of the project, published in the journal Science Robotics, help inform the design of robots that can perform more natural movements with minimal energy consumption.

Josie Hughes, the first author of the paper, said: 'We can use passivity to achieve a wide range of movements of robots: for example, walking, swimming, or flying.

'Intelligent mechanical design enables us to achieve the maximum range of motion with minimal control costs: we want to see how much motion can be obtained by machinery alone.

She added: 'piano playing is an ideal test for these passive systems, because it is a complex and subtle challenge that requires a lot of behavior to achieve different playing styles.

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