What is Barometer? Barometer is an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude. It is widely used weather instrument that measures atmospheric pressure (also…
What is Air Pressure? General purpose of this lecture is to present on What is Air Pressure. Air pressure is the weight of the atmosphere pressing down on the earth. It…
Presentation on Pesticides The aim of this lecture is to present on Pesticides. Pesticides kill insects that will damage crops. They also kill harmless insects or can get washed into rivers…
Abd al-Rahman al-Khazini: Physicist Abd al-Rahman al-Khazini, Physicist in Persia was born 11th century. He was a Muslim astronomer of Greek ethnicity from Merv, then in the Khorasan province…
Al-Biruni: Physicist Al-Biruni, Physicist was born born Sept. 4, 973 ce, Khwārezm, Khorāsān (now in Uzbekistan). He is regarded as one of the greatest scholars of the…
Hasan Ibn al-Haytham: Physicist Hasan Ibn al-Haytham(Alhazen), Physicist was born c. 965 CE(354 AH) Basra, Iraq. He also was an Arab scientist, mathematician, astronomer, and philosopher. He made significant contributions…
What is Condensed Water Vapor? This lecture introduce on Condensed Water Vapor. Condensation is the change of water from its gaseous form (water vapor) into liquid water. Condensation generally occurs in the…
What is Relative Humidity? Principle objective of this lecture is to present on What is Relative Humidity. Relative Humidity is the amount of water vapour present in air expressed as a percentage…
Lecture on Jeopardy – Weather Patterns Major objective of this lecture is to present on Jeopardy – Weather Patterns. By Jeopardy – Weather Patterns we can evaluate the condition of the Earth’s surface…
Presentation on Organic Farming Organic Farming produces less food and is more expensive but it does not produce the pollution problems of intensive farming. Organic Agriculture is a production system that…
Quantum Zeno Effect Quantum Zeno Effect is the suppression of unitary time evolution caused by quantum decoherence in quantum systems provided by a variety of sources: measurement, interactions…
Lecture on Deforestation Prime objective of this lecture is to present on Deforestation. Deforestation is the permanent destruction of forests in order to make the land available for other uses. Some…