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Roland just released a weird little riff on an acoustic handpan

Synthesizer giant Roland just announced a fairly bizarre contraption. The Mood Pan is the company's digital take on an acoustic handpan. For the uninitiated, a handpan is a version of the steelpan instrument that's been popular in Trinidad and Tobago since the 1930s. It's widely considered to be the only truly new acoustic instrument invented in the 20th century. However, handpans and steelpans take serious skill to play. Roland's Mood Pan is much easier to play, thanks to clearly visible pads

3D-printed device splits white noise into an acoustic rainbow without power

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: The morphogenetical topology optimization method shapes the scattering inclusions, shown as gray material. When the ARE is excited by monopolar source emitting broad-band white noise, the radiated sound creates an acoustic rainbow. The source is positioned at the center of the emitter (illustrated using white light)