When light is emitted from a particle that contains a few hundred atoms, the wavelength of the light is affected by the size of the region – this is a very interesting quantum effect that provides a ...
The road to creating a blue LED was long and rough, but in 1993, it burst onto the scene. Learn about the struggles and ...
Ennostar and Taiwan Asia Semiconductor (TAS, formerly Opto Tech) are developing short-wavelength (over 1,000nm) infrared (IR) LED devices for use in biosensing including heart rates, SpO2, blood ...
Advances in Horticultural Science, Vol. 28, No. 4 (2014), pp. 190-194 (5 pages) The effects of different light wavelengths on pollen germination and determination of the direction of pollen tube ...
Turn on the light, and kill COVID-19. Researchers from Tel Aviv University have proven that the coronavirus can be killed efficiently, quickly and cheaply using ultraviolet (UV) light-emitting diodes ...
LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...
A ripple tank can be used to investigate the frequency close frequencyThe number of waves produced each second. The unit of frequency is hertz (Hz)., wavelength close wavelengthThe length of a single ...
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