Monthly Archives: November 2017




Jan Ingenhousz (1730 - 1799) 1
December 8 is Jan Ingenhousz’s birthday. Ingenhousz was a Dutch scientist who made the first step to understanding plant respiration or photosynthesis. English chemist Joseph Priestly had recently demonstrated that plants give off oxygen. Ingenhousz expanded this research by noting that plants not only give off oxygen but absorb carbon […]

Today In Science History – December 8 – Jan Ingenhousz ...



December 7 marks the passing of Walter Noddack. Noddack was a German chemist who searched for two elements missing from Mendeleev’s periodic table. The two blank placeholder elements appeared underneath manganese called eka-manganese and dvi-manganese. (eka means 1 and dvi means 2 in Sanskrit). Together with Ida Tacke (who would […]

Today In Science History – December 7 – Walter Noddack



Light is one form of energy. (Riccardo Annandale)
ENERGY DEFINITION Energy is defined in science as the ability to do work. It is a scalar physical quantity. Although energy is conserved, there are many different types of energy, such as kinetic energy, potential energy, light, sound, and nuclear energy. One form of energy may be converted into another without violating a […]

Energy Definition and Examples (Science)