Terahertz radiation (THz), electromagnetic radiation with frequencies ranging from 0.1 and 10 THz, is central to the ...

Yes, we know that the amulet’s promotional material cites the WHO’s 2011 decision to classify RF fields as “possibly ...

Introduction to Solar Flares Solar flares are spectacular, yet potentially dangerous, eruptions of energy from the Sun's ...

Scientists measured a chorus wave emerging from an unexpected place, and confirmed a key piece of a theory about how these ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

All forms of electromagnetic radiation, whether they're called waves or rays, are generated by particles in motion. In a radio signal, for example, negatively charged electrons quickly move back ...

F OR SOLDIERS at the front, electromagnetic defences are as vital as air: invisible when present, and disastrous when not. In ...

Monitoring respiratory motion during diagnostic imaging and radiation therapy is crucial for accurate diagnosis and treatment ...

The electromagnetic spectrum is a continuous range of wavelengths. The types of radiation that occur in different parts of the spectrum have different uses and dangers - depending on their ...

There are trillions of charged particles—protons and electrons, the basic building blocks of matter—whizzing around above ...

Philip Morrison and Guiseppe Cocconi analyzed how two civilizations separated by many light years of space might use electromagnetic radiation to communicate. Electromagnetic radiation is the general ...

Terahertz electromagnetic waves occupy a middle ground between electronics waves, like microwave and radio waves, and photonics waves, such as infrared and UV waves. For example, mobile phones use ...