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Observing sun spots
Use the telescope that you made in a last experiment. Set it up so that it points directly at the sun and focus it so that a clear and bright image of the sun is formed on a piece of white cardboard placed a short distance from the eyepiece lens. If sun spots are there on the surface of the sun you may be able to observe them as small dark spaces of irregular outline on the image. Caution. Do not look at the sun by the telescope, unless your eyes are protected by a dark glass filter.
who is the first scientist
In hydraulic machines a liquid that has filled a pipe is pushed at one end of the pipe. The liquid then pushes a machine part located at other end of the pipe. Why isn''t gas used
Explain the Gastric Phase - Mechanism of Secretion of Gastric Juice Another 45% of the gastric secretion is discharged in this phase. The mechanical presence of food in the ant
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During which equinoxes are day and night of equal length around the world: Autumnal And Vernal Equinoxes
what is the environment?
Decay of Arab Culture and Science: The association of science with kings, wealthy merchants and nobles which was initially very fruitful, ultimately proved to be the weakness
Explain Fatigue - Respiratory Adjustments Fatigue means a state of decreased efficiency due to prolonged exertion. It may occur due to sustained muscle contraction. The muscles
Explain the History and Milestones of the Concept of Blood In this section, we will discuss about the historical development of the concept of blood and blood cells. This discu
Explain the Complex Cells - Primary Visual Cortex They are sensitive to both orientation and movement. For example, a line or edge with a particular tilt might stimulate a comp
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