The diode laser as a spectroscopic tool ... near-i.r. diodes can be tuned roughly 3-4 nm from the nominal wavelength with a 20°C temperature change.
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Rev Up Your Fan Speed Control-Abstract: Controlling the speed of a brushless DC cooling fan is discussed. Examples of discrete and IC fan speed controllers are ...
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The origins of coffee, like those of so many other natural products long known to humans, are shrouded in legends. One entertaining story about the discovery of coffee involves an ancient Ethiopian
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