This Machine Is Surprisingly Great at Playing the Violin

1 minute read

Seth Goldstein, a mechanical engineer who worked at the National Institutes of Health, has developed a machine that can play a full-sized violin.

Here is how the kinetic sculpture machine works, according to his website:

The horizontally orientated violin is rotated underneath a reciprocating violin bow while four mechanical fingers are moved to make contact, as appropriate, with the (highest) bowed string…When music is played on an electronic keyboard, a MIDI file is generated which is edited, and then used as the input to the violin computer. This computer generates numbers to control the electronics, powering the various motors to perform the prescribed motions which enable the violin to play the same notes as were originally played on the keyboard.

So far “Ro-Bow” can play an Irish jig, “Hello, Dolly,” “Amazing Grace” and Bach’s “Minuet in G Major,” according to a profile of Goldstein in the New York Times over the weekend.

These Robots Have Their Own World Cup

Humanoid robots are seen during a photo opportunity at the Institute for Computer Science at the University of Bonn in Bonn July 3, 2014.
Humanoid robots are seen at the Institute for Computer Science at the University of Bonn in Bonn July 3, 2014.Ina Fassbender—Reuters
Research associates Larry Vadakedathu, left, and Qin He work with one of their RoboCup entries, a 5-foot-tall metal humanoid named THOR (Tactical Hazardous Operations Robot), in the adult-size league at the University of Pennsylvania in Philadelphia on July 7, 2014.
Research associates Larry Vadakedathu and Qin He work with one of their RoboCup entries, a 5-foot-tall metal humanoid named THOR (Tactical Hazardous Operations Robot), in the adult-size league at the University of Pennsylvania in Philadelphia on July 7, 2014.Matt Rourke—AP
Robocup Junior teams in RoboCup Robot Soccer Championship on July 21, 2014.
Robocup Junior teams in RoboCup Robot Soccer Championship on July 21, 2014.Lorena Travassos—Fotoarena/Corbis
Members of the Rhoban project's team check functions of a humanoid robot at the LaBRI workshop in Talence, France on July 7, 2014.
Members of the Rhoban project's team check functions of a humanoid robot at the LaBRI workshop in Talence, France on July 7, 2014. Regis Devignau—Reuters
People work on the software of humanoid robots during a photo opportunity at the Institute for Computer Science at the University of Bonn in Bonn, Germany on July 3, 2014.
People work on the software of humanoid robots during a photo opportunity at the Institute for Computer Science at the University of Bonn in Bonn, Germany on July 3, 2014. Ina Fassbender—Reuters
Students at the University of Pennsylvania work with one of their RoboCup entries known as Nao in Philadelphia on July 7, 2014.
Students at the University of Pennsylvania work with one of their RoboCup entries known as Nao in Philadelphia on July 7, 2014.Matt Rourke—AP
The fir first day of the RoboCup Robot Soccer Championship in João Pessoa, Brazil on July 21, 2014.
The first day of the RoboCup Robot Soccer Championship in João Pessoa, Brazil on July 21, 2014.Lorena Travassos—Fotoarena/Corbis
A participant from the Netherlands prepares his humanoid robot for a soccer match in the international robotics competition on April 10, 2014.
A participant from the Netherlands prepares his humanoid robot for a soccer match in the international robotics competition in Tehran, Iran on April 10, 2014.Vahid Salemi—AP
Humanoid robots play during a soccer match while visitors follow the competition in the international robotics competition, RoboCup Iran Open 2014, in Tehran, Iran on April 10, 2014.
Humanoid robots play during a soccer match while visitors follow the competition in the international robotics competition, RoboCup Iran Open 2014, in Tehran, Iran on April 10, 2014.Vahid Salemi—AP
Trophies won by humanoid robots at competitions are seen during a photo opportunity at the Institute for Computer Science at the University of Bonn in Bonn, Germany on July 3, 2014.
Trophies won by humanoid robots at competitions are seen during a photo opportunity at the Institute for Computer Science at the University of Bonn in Bonn, Germany on July 3, 2014. Ina Fassbender—Reuters

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Write to Olivia B. Waxman at olivia.waxman@time.com