Physicists in Toronto observe quantum “negative time”: a pulse of light appears to leave before entering atoms.

Addressing a controversy first raised around 1910, two physicists have performed experiments with the aid of an engineer that validate anew the special theory of relativity’s limitations on the speed ...

Hypergap materials reveal a second transparent region above the bandgap, overturning assumptions about optical limits and ...

The double-slit experiment is one of the most famous experiments in physics and definitely one of the weirdest. It demonstrates that matter and energy (such as light) can exhibit both wave and ...

"The colors of the spectrum, then, "are not Qualifications [alterations] of Light … (as 'tis generally believed), but Original and connate properties." When you purchase through links on our site, we ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Uniqsis reports on how its Flow-UV ™ inline UV-Visible spectrometer sets a new benchmark for real-time dispersion and nanoparticle distribution and agglomeration experiments. Designed for use with ...