The Encyclopedia Americana, Volumen10Grolier, 1995 |
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Página 137
... showed that a wire carrying current in a direction parallel to a magnetized needle causes deflection of the needle , and that the direction of the deflection depends on the direction of the current and on whether the needle is above or ...
... showed that a wire carrying current in a direction parallel to a magnetized needle causes deflection of the needle , and that the direction of the deflection depends on the direction of the current and on whether the needle is above or ...
Página 301
... showed how the chick intestine forms by the folding of homogeneous layers and gradual formation of a closed tube . He also showed that the organs of plants , such as leaves and stems , develop through differentiation from initially ...
... showed how the chick intestine forms by the folding of homogeneous layers and gradual formation of a closed tube . He also showed that the organs of plants , such as leaves and stems , develop through differentiation from initially ...
Página 347
... showed in the course of his development of the theory of relativity that mass itself is a form of energy . He stated that mass and energy can be interchanged according to the formula E mc2 , where c is the velocity of light . Since this ...
... showed in the course of his development of the theory of relativity that mass itself is a form of energy . He stated that mass and energy can be interchanged according to the formula E mc2 , where c is the velocity of light . Since this ...
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