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The label "eye-safe" can be misleading, however, as it applies only to relatively low-power continuous wave beams; a high-power or Q-switched laser at these wavelengths can burn the cornea, causing severe eye damage, and even moderate-power lasers can injure the eye.
This native perennial flower is a host plant for monarch butterflies. Plant milkweed to help support their populations, and you'll also get to enjoy the vibrant orange blooms and visiting butterflies.
Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art.Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed.
Butterflies receive ultraviolet signals by using a special opsin in the butterfly eye. The butterfly eye is similar to the average insect eye in that it is composed of numerous ommatidia. Each butterfly ommatidium contains nine photoreceptor cells with generally each cell using a single opsin. [6] With a UV sensitive opsin the butterfly can see ...
Laser is a genus of flowering plants in the family Apiaceae, native to Europe and southwestern Asia, from France east to the Ural Mountains in Russia and northern Iran. [2] The genus was first described in 1799.
Laser pistols specifically designed for modern pentathlon or laser run can be made of plastic, metal, or a mix of both. The grips are made of plastic or wood. Entry-level models usually have ambidextrous grips. Laser pistols above the entry-level use anatomically shaped ones. The weight of the pistol must not exceed 1500 grams. [1]
An eyespot (sometimes ocellus) is an eye-like marking. They are found in butterflies, reptiles, cats, birds and fish. Eyespots could be explained in at least three different ways. They may be a form of mimicry in which a spot on the body of an animal resembles an eye of a different animal, to deceive potential predator or prey species.
Epargyreus clarus, the silver-spotted skipper, is a butterfly of the family Hesperiidae.It is claimed to be the most recognized skipper in North America. [2] E. clarus occurs in fields, gardens, and at forest edges and ranges from southern Canada throughout most of the United States to northern Mexico, but is absent in the Great Basin and western Texas.