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Ray (optics) Rays and wavefronts. In optics, a ray is an idealized geometrical model of light or other electromagnetic radiation, obtained by choosing a curve that is perpendicular to the wavefronts of the actual light, and that points in the direction of energy flow. [ 1][ 2] Rays are used to model the propagation of light through an optical ...
Scientific misconduct is the violation of the standard codes of scholarly conduct and ethical behavior in the publication of professional scientific research. It is violation of scientific integrity: violation of the scientific method and of research ethics in science, including in the design, conduct, and reporting of research.
Health threats from cosmic rays are the dangers posed by cosmic rays to astronauts on interplanetary missions or any missions that venture through the Van-Allen Belts or outside the Earth's magnetosphere. [ 1][ 2] They are one of the greatest barriers standing in the way of plans for interplanetary travel by crewed spacecraft, [ 3][ 4][ 5] but ...
Healthy candy is a misnomer, experts say. While candy can be part of a healthy diet, in moderation, it does not count as a health food, says Jay — even if it's sugar-free or low-calorie. "Some ...
Algedonics – science of pleasure and pain. Algology ( botany) – study of algae. Algology ( medicine) – study of pain. Allergology - study of causes and treatment of allergies. Anaesthesiology – study of anaesthetics. Anatomy – study of the structure of the body. Andragogy – theory and practice of education of adults.
A U.S. government report expected to stir debate concluded that fluoride in drinking water at twice the recommended limit is linked with lower IQ in children. The report, based on an analyses of ...
But with inflation cooling, it's safe to assume it's going to be lower than the 3.2% COLA Social Security beneficiaries got in 2024 and well under the 8.7% they saw in 2022 amid sky-high inflation ...
In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or a material medium. [ 1][ 2] This includes: electromagnetic radiation consists of photons, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation (γ) particle radiation consists of ...