A drone strike at Chernobyl has raised Ukraine’s nuclear ghosts. What are the dangers?
Ukraine’s nuclear ghosts have been stirred up again after a drone armed with a warhead hit the protective outer shell of the ...
Physicists Unlock a New Way to Bend Light, Bringing Superlenses and Cloaking Closer to Reality
Scientists have found a way to achieve negative refraction—where light bends the "wrong" way—using carefully arranged atomic ...