Natural Sciences


In optics, aberration is a flaw in the imaging properties of optical systems such as lenses or mirrors that causes light to be blurred, distorted, or scattered over a region of space rather than focused in a point. The aberration of an optical system is defined as any deformation of the image with respect to […]

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The biosphere is the biological system that includes all the ecosystems of the Earth and therefore can be considered formed by all the physical environments of the planet (land, or lithosphere; water, or hydrosphere; air, or atmosphere), which can host life forms, and communities of living organisms that inhabit these environments. The biosphere can be imagined as

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Panda ant (Euspinolia Militaris)

The Euspinolia Militaris (also called Panda Ant – first described in 1938 in Chile) is a member of the family Mutillidae, part of the order Hymenoptera, which also includes wasps, bees, and ants. Scientific classification Kingdom Animalia Phylum Arthropoda Class Insecta Order Hymenoptera Suborder Apocrita Superfamily Vespoidea Family Mutillidae Genus Euspinolia Anatomy While the coloration

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Thermodynamic time

Although it is easy to imagine apparently reversible processes in time (the swing of a pendulum, the motion of the planets, the trajectory of a marble bouncing between the sides of a billiard table), microscopic analysis shows that even these processes are in fact irreversible thermodynamic processes that define a unique way in which time

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