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Yes, a material can absorb infrared light and emit visible light. This is called the " Stefan-Boltzmann law ," and it holds true for all materials including water. Infrared radiation is energetic but short-wavelength (longer than what humans see), while ...
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Yes, Hohmann transfer orbit applies to geostationary satellites. This is because the Earth's gravity makes it possible for a satellite to be placed in a circular path that keeps it constantly over one spot on the planet. Hohmann transfer orbit is ...
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The question, Can we beam heat into space? is one that has been puzzling scientists and engineers for years. While we know that solar panels emit heat, we don't know where it goes. Solar panels may be tilted or connected to ...
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One of the most common uses for microwaves is cooking food. But it can also be used to heat or melt some objects and materials. Microwaves are a form of radio waves that are high frequency ...
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Can a photon change direction in a vacuum? Yes, photons can change direction in a vacuum. Since the momentum of a photon is zero, it cannot be directed by an external force. However, the momentum of ...
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The harnessing of sound waves is part of the development of radio technology. Radio waves are electromagnetic waves that are used to transmit information. The transmission was initially used for Morse code messages, but it has ...
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The polarity test is a test that is used to determine what type of transformers are required for a given application. This can be done by taking the primary winding pitch and comparing it with the ...
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Electric current is seen as a flow of positive charges from the positive terminal to the negative terminal. This choice of direction is purely conditional. When electric current was earlier discovered, way back before anyone knew about electrons. Benjamin Franklin, an American ...
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Соmрtоn effect is оf раrаmоunt imроrtаnсe fоr rаdiоbiоlоgy, аs it is the mоst likely interасtiоn оf high energy gаmmа rаys аnd X-rаys with аtоms in living оrgаnisms аnd is used in rаdiаtiоn therарy.[4] In mаteriаls рhysiсs, Соmрtоn effect саn be used ...
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