BL Lacertae blazar shifts between classifications faster than expected. It shows record X-ray activity and challenges current ...

BL Lacertae, an enigmatic blazar, has shattered long-held classification norms, leaving astronomers baffled. Originally ...

“Peat soils have a unique ability to block this type of naturally occurring radiation, drastically reducing the number of ...

Some of the more common radionuclides used for therapy and their main radiation emissions are found in the following table. In some cases, the patient is treated in hospital and allowed to go home ...

Blazars are active galaxies that emit narrow jets of ionized matter from their centers, aimed towards Earth. Depending on ...

the more infrared radiation it gives out in a given time the greater the proportion of emitted radiation is visible light There are no known objects that are perfect at absorbing or emitting all ...

Pulsars are highly magnetized, rotating neutron stars emitting a beam of electromagnetic radiation. They are usually detected in the form of short bursts of stable radio emission; however ...

Radiation from mobile phones may cause brain tissue damage, a two-year study has found. Scientists discovered that emissions from handsets affect the delicate make-up of cells in blood vessels ...

Imaging with equipment that combines positron emission tomography and computed tomography (PET ... the short half-life of which (110 min) reduces radiation exposure compared with other commonly used ...

He had done his PhD on using masers (microwave amplification by stimulated emission of radiation) to amplify and measure radio signals from the spaces between galaxies. He knew the Holmdel antenna ...