Invention

Introduction Leonardo da Vinci is a famous polymath renowned for his painting s of the last supper and the Mona Lisa. Leonardo da Vinci was a talented inventor creating many creations that we use today from the helicopter to parachutes and more. Not much is known about Leonardo da Vinci’s life he was born on…

Silicon and its Chemical Properties: Role in Architecture and Construction Introduction Silicon ranks seventh as the most abundant element in the universe and second most abundant element in earth with 27.7% composition of crust by mass (Exley, 1998). Silicon is a metalloid of atomic number 14 and chemical symbol Si discovered by Swedish chemist, Jöns…

Introduction   What is a Calorimeter ? Definition: A calorimeter is a device used for calorimetry, the science of measuring the heat of chemical reactions or physical changes as well as heat capacity. The word calorimeter is derived from the Latin word calor, meaning heat. Differential scanning calorimeters, isothermal micro calorimeters, titration calorimeters and accelerated…