Science

The aim of this lecture is to present on Neil Armstrong: Famous Astronaut. Astronaut is a person who travels into space using a spacecraft. Neil A. Armstrong, the first…

Prime objective of this lecture is to present on History of Rockets. The first rockets that were used in modern rocketry was invented by Dr. Robert Goddard.…

Basic objective of this lecture is to present on Wind Turbine. Aerodynamics of Wind Turbine Blades. Forces are transmitted from a moving fluid to an object in the…

General purpose of this lecture is to present on Wind Power and Wind Turbines. Atmospheric pressure differences accelerate and impart kinetic energy into the air. Wind energy conversion…

In this lecture broadly explain on What are Trapezoids. It is a tutorial study based presentation. Trapezoids are quadrilateral with exactly one pair of parallel sides. The…

Kite is a quadrilateral that has two pairs of consecutive congruent sides, but opposite sides are not congruent. Kites were first developed in ancient China. This lecture…

Main purpose of this lecture is to present on Properties of Trapezoids and Kites. Trapezoid is Quadrilateral with exactly one pair of parallel sides. A Trapezoid has…

Primary purpose of this lecture is to present on High Altitude Balloons. These balloons are filled with helium or hydrogen and expand as they ascend through…

This lecture briefly describe on Physics of Balloons and Submarines. Helium, Hydrogen and hot-air are used in balloons and submarines have mass. Submarines navigate through the ocean…

Principle purpose of this lecture is to present on an introduction to kites. Kites are thought to have originated in China about 3000 years ago. One…

Major purpose of this lecture is to present on Kites in Geometry. This lecture is tutorial study based presentation. A kite is traditionally defined as a…

The aim of this lecture is to present on Wind Farms and Red Kites. The read kite is under threat in a number of European countries. The…