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 ...
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 ...
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 ...
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 ...
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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