PPhysics Read More Gravitational torque drives multidecadal variations in length of daySeptember 23, 2026 Torque and changes in the LOD An axial torque Γz acting on the mantle causes a change in…
PPhysics Read More Lasing of a cavity-based X-ray sourceJanuary 29, 2026 Shortly after the free-electron laser (FEL) concept was proposed in the 1970s11, the first FEL oscillator was developed12…