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 car-size Curiosity rover is the centerpiece of NASA's $2.5 billion Mars Science Laboratory (MSL) mission, slated to blast off Saturday (Nov. 26) from Cape Canaveral Air Force Station in Florida. Curiosity's main goal is to assess whether the Red Planet is, or ever was, capable of supporting microbial life.