Lasers are known for the monochromatic nature of their light, so much so that you might never have thought there could be such a thing as a white laser. But in the weird world of physics ...

However, for many other applications, especially those requiring intense laser light — such as marking or cutting metals — they are simply not up to task. The chief problem is their poor beam ...

Yet, the discovery of a shadow cast by a laser beam adds a new layer to this narrative, challenging long-standing assumptions about light’s behavior. How Light Casts a Shadow This phenomenon ...