资讯
Multiple people spotted a mysterious beam of light in the sky last week. The “red flare”, as many described it, was spotted by people in Houston and other places throughout the world.
“We have demonstrated that by using optical vortex beams—light beams that carry angular momentum—we can precisely control how an electron is ejected from an atom” A team of researchers ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果