Lecture on Mirages
Primary objective of this lecture is to present on Mirages. Mirages are caused by the refracting properties of a non-uniform atmosphere. It is an optical illusion caused by…
Physics
Presentation on Fiber Optics
Fiber optic lines are strands of glass or transparent fibers that allows the transmission of light and digital information over long distances. They are used…
Presentation on Snell’s Law
Principle objective of this lecture is to present on Snell’s Law. Snell’s law states that a ray of light bends in such a way that the ratio…
Lecture on Speed of Light and Refraction
Major objective of this lecture is to present on Speed of Light and Refraction. At an interface between two media, both reflection and refraction can occur. The…
Light: Holograms and Spectroscopy
Prime objective of this lecture is to present on Light: Holograms and Spectroscopy. A hologram the size of a sugar cube could hold enough information for about…
Polynesian Star Compass
Basic objective of this lecture is to present on Polynesian Star Compass. Here briefly focus on Polynesian Star Compass. The Hawaiians used a calendar based on the…
Lecture on Polynesian Navigation
General objective of this lecture is to present on Polynesian Navigation. For the ancient Polynesians, finding Easter Island must have been like finding a needle in a…
Astronomical Observational Techniques and Instrumentation
Main objective of this lecture is to present on Astronomical Observational Techniques and Instrumentation. Here derive resolution and sensitivity requirements for astronomical imaging- spatial resolution: Rayleigh criterion and…
Charge Transfer Efficiency of Charge Coupled Device
Primary objective of this lecture is to present on Charge Transfer Efficiency of Charge Coupled Device. here broadly describe on how efficiently can charge be moved…
Charge Coupled Device Advantages
Principle objective of this lecture is to present on Charge Coupled Device Advantages. It is a device for the movement of electrical charge, usually from within the…
Charge Coupled Devices in Astronomy
Charge Coupled Devices first developed in the 1960s as memory storage devices. Sensitivity to light suggested imaging possibilities. Her briefly focus on History of CCDs; How do CCDs…
Lecture on Atmospheric Turbulence
Major objective of this lecture is to present on Atmospheric Turbulence. The atmosphere is an inhomegeneous medium with varying index of refraction in both time and space. Turbulence…
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