Sentences with phrase «ultraviolet markings»
They conclude that ultraviolet markings may be clearly visible under a range of lighting conditions, but only to birds with the so called UVS type of ultraviolet vision.
https://www.sciencedaily.com/
Some flowers bear ultraviolet markings, invisible to the human eye, that attract the worker bee and tell her where to land to scoop up nectar or pollen.
Not exact matches
They also were marked with a unique design that could only be viewed under ultraviolet light.
In a study published on October 9 in the open access journal PeerJ, Dr Olle Håstad at the Swedish University of Agricultural Sciences and Dr Anders Ödeen at Uppsala University show that ultraviolet window markings indeed have the potential to be effective deterrents.
However, since birds differ strongly in how well they see ultraviolet light, the markings should only be visible to those bird species that have the right type of colour vision.
As most birds can see ultraviolet light, which is invisible to humans, one solution is to mark the glass with ultraviolet reflective or absorbing patterns.
Under ultraviolet light examination, transient dark and bright stripes mark Venus» atmosphere, indicating regions where Solar ultraviolet radiation is either absorbed or reflected, respectively (more from Venus Express and APOD).
Colour pattern evolution in butterflies: a phylogenetic analysis of structural ultraviolet and melanic markings in North American sulphurs.
In fact, now this going to be maybe piss off Mark, I don't know, but there is really interesting research about getting ultraviolet B in the eye.
A Digital HD copy is also included with the purchase of specially marked Blu - ray discs for redemption and cloud storage through participating UltraViolet retail services including CinemaNow, Vudu and Flixster Video.
2014's first film to eclipse the $ 100 million mark, this comedy that generated little interest outside the US hit home video today in a DVD and the Blu - ray + DVD + Digital HD UltraViolet combo pack reviewed here.
A more low - tech method of both tracking your phone and making it unappealing for thieves is to mark the handset with an ultraviolet pen.