Science

The first refrigerator used by many people was the “Monitor-Top” refrigerator starting in 1927. Home freezers started being used in the U.S. in 1940. Before the refrigerator…

Main focus of this lecture is to present on how Lightning Works. Lightning transfers electrons from the atmosphere to Earth. Electrons build up in clouds because wind…

Major purpose of this lecture is to present on Circuit Breakers. Circuit breakers open the circuit when a current in a house wire exceeds the rated current…

Prime purpose of this lecture is to present on Using Electricity in Home. Here briefly describe on about House Hold Energy Consumption. Hydro bills are established by finding…

Basic purpose of this lecture is to present on Heat Transfer. It is a tutorial based lecture. If there is a temperature difference between two systems heat…

Heat is transferred through a material by being passed from one particle to the next. Particles at the warm end move faster and this then causes…

General purpose of this lecture is to present on Gravity and Inverse Square Relationships. Here briefly define Gravitational Field and Gravitational Potential; and describe potential at a…

Principle objective of this lecture is to present on Gravity and Circular Motion Revision. It is a tutorial based lecture. When an object undergoes circular motion…

The aim of this lecture is to present on Gas Temperature, Volume and Pressure. All particles in all things are moving at all times, but some faster…

Prime objective of this lecture is to present on Gas Pressure and Volume. Gas Pressure is determined by the flow of mass from a high pressure region…

Basic objective of this lecture is to present on Gamma Rays. Gamma rays have the smallest wavelengths and the most energy of any other wave in the…

Friction is a Force that always pushes against an object when it touches another object. This lecture briefly present on Friction, in terms of physics. High friction…