Scientists have found a way to achieve negative refraction—where light bends the "wrong" way—using carefully arranged atomic arrays instead of engineered metamaterials. This breakthrough has enormous ...

A neutrino telescope, therefore, is a giant exercise in statistics. Observe lots of atoms for a long time and sooner or later ...

"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows ...

As the U.S. continues to wait for newer sunscreen ingredients, patients should use tinted sunscreens to protect against visible light that causes photodamage, melasma and hyperpigmentation, according ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Transient absorption spectroscopy of rose bengal reveals triplet state dynamics, crucial for optimizing photosensitizers in ...

GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...

Our experts explain the science behind red light therapy, and if it really works. Plus, we recommend some FDA-cleared wands ...