Diseases, Conditions, Syndromes

A cost-effective alternative to a PCR test

Speed or accuracy? As far as COVID-19 tests go, this was the choice you had to make. In the future, this dilemma could be a thing of the past. The Pathogen Analyzer combines the advantages of PCR testing and rapid antigen ...

Biomedical technology

3D printed gloves for rehabilitating stroke patients

Stroke is India's third leading cause of death and the sixth leading cause of disability. Physiotherapy is one of the few treatments available for rehabilitating stroke victims and patients with physical injuries. However, ...

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Light is electromagnetic radiation, particularly radiation of a wavelength that is visible to the human eye (about 400–700 nm, or perhaps 380–750 nm.) In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not.

Three primary properties of light are:

Light, which exists in tiny "packets" called photons, exhibits properties of both waves and particles. This property is referred to as the wave–particle duality. The study of light, known as optics, is an important research area in modern physics.

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