Spotlight, device used to produce intense illumination in a well-defined area in stage, film, television, ballet, and opera production.

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Usando la relatività generale a sei dimensioni, si mostra che una particella che si muove liberamente in un campo gravitazionale debole indipendente dal tempo ha un orizzonte la cui proiezione nel sottospazio di tempo tridimensionale è una linea retta. Si introduce una generalizzazione che coinvolge le tre coordinate di tempo della metrica di Schwarzchild e si risolvono esattemente le equazioni di campo risultanti. Si ottengono le equazioni per il moto orbitale intorno a un centro di massa. Né la precessione orbitale, né la deflezione della luce prevista da queste equazioni è in accordo con i valori osservati.

Advancement

P. T. Pappas:Lett. Nuovo Cimento,22, 601 (1978);A physical theory in six dimensions, submitted toInt. J. Theor. Phys. (1977).

Gegründet 1986, Seica S.p.A. ist ein globaler Lieferant von Automatischen Test Systemen und Selektivlötsystemen, mit einer installierten Basis von mehr als ...

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Are you searching for LED police lights, or other emergency vehicle lights? SpeedTech Lights has all types of emergency & warning light bars for sale.

By using six-dimensional general relativity, it is shown that a particle moving freely in a weak time-independent gravitational field has a world-line whose projection into the three-dimensional time subspace is a straight line. A generalization involving the three time co-ordinates of the Schwarzschild metric is introduced and the resulting field equations are solved exactly. Equations are obtained for the orbital motion about a mass centre. Neither the orbital precession nor the deflection of light predicted by these equations agrees with observed values.

Cole, E.A.B. Gravitational effects in six-dimensional relativity. Nuov Cim B 55, 269–275 (1980). https://doi.org/10.1007/BF02739160

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In advance

E. A. B. Cole:Nuovo Cimento A,40, 171 (1977);R. Mignani andE. Recami:Lett. Nuovo Cimento,16, 449 (1976);M. Pavšič andE. Recami:Lett. Nuovo Cimento,19, 273 (1977);G. Dattoli andR. Mignani:Lett. Nuovo Cimento,22, 65 (1978);V. Vyšín:Lett. Nuovo Cimento,22, 76 (1978);P. Demers:Can. J. Phys.,53, 1687 (1975).

ITALY and KOREA CLOSER THAN EVER. Porto Nuovo, Milan, Italy. ITALIAN CHAMBER OF COMMERCE IN KOREA. ITALY and KOREA CLOSER THAN EVER. Maxxi National Museum, Rome ...

The focal length of a lens is defined as the distance from its secondary principal point to its rear focal point when focus is set to infinity. The secondary ...

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The absolution limitation is defined by the size and number of pixels on the sensor. Here is an example of limiting resolution. When two neighboring dots are.

G. Ziino:One undiscerned physical implication of light speed invariance: time three-dimensionality, preprint of Istituto di Fisica dell'Università, Palermo (1977).

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