Face to face with sun-eclipsing Proba-3

Through exquisite, millimeter-scale, formation flying, the dual satellites making up ESA's Proba-3 will accomplish what was previously a space mission impossible: Cast a precisely held shadow from one platform to the other, ...

Physicist reveals new hydrology model

Allen Hunt, Ph.D., professor of physics at Wright State University, published a new co-authored paper, "Predicting Streamflow Elasticity Based on Percolation Theory and Ecological Optimality," in the journal AGU Advances.

Understanding the role of the sun in climate change

Although the sun provides nearly all the energy needed to warm the planet, its contribution to climate change remains widely questioned. Many empirically based studies claim that it has a significant effect on climate, while ...

Researchers reveal DNA repair mechanism

A new study adds to an emerging, radically new picture of how bacterial cells continually repair faulty sections of their DNA.

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Irradiation

Irradiation is the process by which an object is exposed to radiation. The exposure can originate from various sources, including natural sources. Most frequently the term refers to ionizing radiation, and to a level of radiation that will serve a specific purpose, rather than radiation exposure to normal levels of background radiation. The term irradiation usually excludes the exposure to non-ionizing radiation, such as microwaves from cellular phones or electromagnetic waves emitted by radio and TV receivers and power supplies.

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