Extending QHE into three dimensions is an inspiring but challenging ... experimentally demonstrated the three-dimensional QHE for acoustic waves in a Weyl acoustic crystal. In particular, the ...

Autex Acoustics’ signature product is designed to realistically imitate timber, while ensuring an outstanding performance.

Series production has also been launched for the Malik acoustic drone detector updated ... compared to previous ones. Its dimensions are just 11x8.5x3 cm," the design bureau said.