A new experiment has demonstrated something that sounds physically impossible – light itself casting a shadow. It turns out that if you ... so the green light ends up blocking some of the ...

In Optica, researchers describe how they used a ruby crystal and specific laser wavelengths to show that a laser beam could block light and create a visible shadow ... was pointed out that some ...

An international team of scientists has just demonstrated a phenomenon that could be straight out ... intense light—can behave like an object by blocking other light and casting a shadow.

Related: Night sky guide, what you can see tonight A lunar eclipse is caused by Earth blocking sunlight from reaching the moon and creating a shadow across ... such as blue light are scattered ...