| 词汇 | 微波 |
| 释义 | 微波 Microwave energy is a natural phenomenon that occurs when electric current flows through a conductor. Microwaves are a form of electromagnetic radiation that is very similar to sunlight and radio waves. Microwaves that transmit television signals always travel in a straight line. But microwaves spread out as they propagate. But the groups who are critical of his work say that this is not what the cosmic microwave background is like. But which should I use to cook: a microwave, gas, or electric oven? In time, microwaves were being used to dry cork, ceramics, paper, leather, tobacco, textiles, pencils, flowers, wet books and match heads. The first invisibility cloaksubscription required, designed by engineers at Duke University and Imperial College London, worked for only a narrow band of microwaves. High power lasers and high power microwave systems will both benefit from this technology. Kashlinsky and colleagues first noticed the dark flow when studying the way gas in galaxy clusters interacts with the cosmic microwave background radiation. However, measurements of the cosmic microwave background radiation temperature suggest that its structure may have some systematic order. Without this data from the cosmic microwave background, we can still learn a whole lot about the Universe, including its age, the presence of dark matter and dark energy. They surmise that the technique, which involves zapping the electron pairs with microwaves to test for entanglement, could be used to study the properties of entanglement in many different molecules. Their device uses microwaves to transform electricity into light. She hands him a microwaved burrito. Earlier indications of the bubbles have been found on existing all sky maps in the radio, microwave, and X-ray. If two universes had collided, the researchers say, it would have left a circular pattern behind in the cosmic microwave background. Such collisions would have left lasting marks in the cosmic microwave background CMB radiation, the diffuse light left over from the Big Bang that pervades the universe, the researchers say. If multiple universes exist, they may collide with each other and leave behind signs in the cosmic microwave background radiation, researchers say. Some researchers have proposed using microwave beams to transmit electricity from solar- power stations in orbit, or even on the moon, to receivers on the surface of the Earth. So several teams are using laser light or microwaves to cool a beam and detect its motion, getting them within a few quanta of the promised land. The pattern of spots in the cosmic microwave background has a suspicious deficiency: there are surprisingly few big spots. The bent- back curvature of space in this model would also stretch out any smaller microwave spots from round blobs into the little ellipses that are indeed observed. In the new study, researchers used a microwave pulse to attempt to entangle the electrical currents of the two superconductors. This is where most stars in the Milky Way form today; but because this picture records only light at long wavelengths microwaves to the very far infrared, what we actually see are not stars at all. These variations caused minute differences in the temperature of the early universe, which we can see in the cosmic microwave background. As a result, they would be forced to emit radio waves— or, rather, microwaves, which are similar but of shorter wavelength. |
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