(Nanowerk News) Lord Kelvin theorized in 1880 that stimulating a thin vortex line would produce a helical deformation, later known as a Kelvin wave. While these waves have been observed in classical ...
A large, bright blue spiral spotted over Europe on Monday night sparked chatter on social media about what might have caused the mysterious vortex. Videos posted on X showed a blue orb in the night ...
In recent years, optical vortices have attracted extensive attention in laser advanced manufacturing because of their annual intensity distribution and orbital angular momentum. Compared with the ...