Nearly five thousand kilometers above the Sun’s surface lies a century-old question for solar physicists — how are temperatures in the star’s upper atmosphere, or corona, hundreds of times hotter than ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback