Modern mammals lost their ability to see ultraviolet in the course of evolution, contrary to birds and lower vertebrates. Of the originally four cone pigments of ancestral vertebrates, the higher ...

Figure 1: Water VUV absorption spectra from the literature. Figure 2: Temperature-dependent VUV absorption spectra for subcritical water. Figure 3: Comparison of water VUV data with near-UV data.

ABSTRACT The International Ultraviolet Explorer (IUE) satellite observed VV Cephei (M2 Iab+B?) over nearly a full 20.3 year orbital period, but all the observations were obtained outside total eclipse ...

Silicon Valley-based UV LED specialist Violumas has announced additional UVA and UVB wavelengths to its VioBeam-1X1 series ...

Photographers interested in capturing ultraviolet light spectrum photographs revealing hidden details that would not normally be seen by the naked eye may be interested in a new video created during ...

Ultraviolet photons are sufficiently energetic to break bonds and reorganize molecules. Making and measuring light below 200nm demands special experimental considerations, it presents unique ...

NEW YORK, NY — Despite major efforts to keep operating rooms sterile, surgical wound infections remain a serious and stubborn problem, killing up to 8,200 patients a year in the U.S. A study by ...

Performing atomic, molecular, and optical measurements at high precision requires very precisely calibrated optical equipment. One method for achieving precision, which won its developers the 2005 ...

Marisa Garshick, MD, is a board-certified dermatologist and an assistant clinical professor of dermatology at Cornell-New York Presbyterian Medical Center. Jan Arnold is the co-founder and style ...