Energy and Frequency. Planck showed how the energy of a quantum of light is related is related to its frequency. He defined a constant, known as Planckâs constant, which, when multiplied by the frequency of a light quantum, gives its energy.
curiosity noun (INTEREST). B2 [U] an âeager âwish to âknow or âlearn about something: to âarouse/âexcite/âsatisfy someone's curiosity I'm âburning with curiosity-you must âtell me who âwon! She âdecided to âcall her ex-boyfriend out of curiosity.
The Mars Science Laboratory rover, Curiosity, will assess whether Mars ever had an environment capable of supporting microbial life - habitability. Whether life has existed on Mars is an open question that this mission, by itself, is not designed to answer. Curiosity does not carry experiments to detect active processes that would signify present-day biological metabolism, nor does it have the ability to image microorganisms or their fossil equivalents.