Shoulder Season (May & Nov) 1  Rising May temperatures herald the onset of the wet season around Manila and elsewhere. 2  November sees high-season rates kick in.
Nuclear Decay Definition. Nuclear decay or radioactive decay is the emission of energy and matter because of change in the nucleus of atom. The nuclear decay involves the emission of ionizing particles or ionizing radiation.
Decay of radioactive isotopes. Radioactive isotopes, such as 14 C, decay exponentially. The half-life of an isotope is defined as the amount of time it takes for there to be half the initial amount of the radioactive isotope present.