http://en.wikipedia.org/wiki/Heterocyclic_compound
Blood tumor treatment
http://en.wikipedia.org/wiki/Fluorescence#Common_materials_that_fluoresce
Organic electroluminescence element
Lightbulb cooling system
Projector
A video projector is an image projector that receives a video signal and projects the corresponding image on a projection screen using a lens system.
In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal (high frequency signal), with a modulating signa...
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen.
Rear-projection television (RPTV) is a type of large-screen television display technology. Until approximately 2005, most of the relatively affordable consumer large screen TVs up to 100 in (250 cm...
Sound elimination
Optical element
Angled rack
In electronic systems, a heat sink is a passive heat exchanger that cools a device by dissipating heat into the surrounding medium. In computers, heat sinks are used to cool central processing unit...
Schlieren (from German; singular "Schliere", meaning "streak") are optical inhomogeneities in transparent material not necessarily visible to the human eye. Schlieren physics developed out of the n...
