Physicists have shown how time can effectively be reversed for some quantum systems, which would allow for new ways to ...

Deforestation refers to the purposeful clearing or thinning of trees and forests. When deforestation occurs, much of the carbon stored by trees is released back into the atmosphere as carbon dioxide, ...

Abstract: This article proposes a triangular modulation (TRM) based on asymmetrical semivariable frequency (ASVF) for a bidirectional quasi single-stage ac–dc dual-active-bridge (DAB) converter, aimed ...