Often called runner's knee, chondromalacia patella is a common condition causing pain in the kneecap. The patella is covered with a layer of smooth cartilage, which normally glides across the knee when the joint is bent.ymptoms of chondromalacia include knee tenderness and pain that increases after sitting for a prolonged period of time, using stairs or getting out of a chair. There may also be a grating or grinding sensation when the knee is straightened.
Fluxus is an international avant-garde group or collective that was founded and flourished in the1960s but still continues today.
The SI units for luminous flux are lumens, where a lumen is defined as a luminous intensity of one candela within a solid angle of one steradian. Luminous flux is often used to compare the lighting power of light bulbs.uminous flux is a measure of the perceived power of light or light intensity. Because luminous flux is the measure of a property in the perceived sense, it is adjusted to deal with the fact that the human eye is sensitive to many different wavelengths of light and in different ways.