Scientists have been unable to confirm the existence of time reflection due to the amount of energy required to create a ...

Traditional photonic sensing based on the change of balanced reflection of photonic structures can hardly distinguish chemical species with similar refractive indices. Here a sensing method based on ...

For more than half a century, the idea that light or radio waves could suddenly reverse in time sounded like a thought ...

Physicists have finally confirmed a phenomenon that sounds like pure science fiction: waves that appear to bounce off a ...