Fluorescence from quantum dots
Cadmium selenide (CdSe) quantum dots are chemically synthesized in the diameter ranges of 2 to 6 nm. These colloidal solutions
Energy-time uncertainty exemplified by lifetime broadening
A neon lamp is placed inside a spectral tube holder and the emission spectrum is observed with a fiber optics
Close packing of atoms
Table tennis balls that are glued together can be stacked on top of one another showing the two most important