Android: Swipe down from the top of your screen -- to access the Quick Settings panel -- and then tap the Airplane mode icon.

New research uses electric fields to manipulate metallic nanoparticles capable of producing vortices within the laser light.

The arrowhead indicates the right side of the OCT section. Two radial OCT slices of the same optic nerve head, with (A) and ...

This distinctive quality creates momentum band gaps, or unusual states where light pauses inside the crystal while its ...