蒂姆·约瑟夫对阳光能给人类带来能源和财富的观点非常着迷。
Tim Joseph was fascinated by the notion that sunlight brings energy and wealth to mankind.
当瞳孔横向伸展的时候,更多的光能够从前面、后面和侧面进入。
When stretched horizontally, the pupils allow for more light to enter from the front, back, and sides.
它是利用微波把电能转换成光能。
Their device uses microwaves to transform electricity into light.
辛巴:阳光能照到的所有的东西!
研究人员们早就了解光能推动物体的现象。
Researchers have known for a long time that blasting an object with light can push the object away.
看来,在未来的年代里,光能是科学研究的重要课题。
It seems that light energy will be an important subject of scientific research in the future.
高光能平衡阴影,应该位于物体靠近光源的边缘。
Highlights can help balance shadows and should be used on the edges of objects closest to the light source.
人类一向依靠阳光能源,不过几千来主要为间接利用。
Humans have always depended on energy from the sun, though it was exploited mostly indirectly for thousands of years.
想象一块儿布满光电转换太阳能电池板,吸收着光能的巨大场地。
Imagine giant fields filled with photovoltaic solar panels, soaking up rays.
电流流过夹层,电子和空穴在两种材料接口处共同发挥作用,释放光能。
When a current is applied across the sandwich, the electrons and holes team up at the junction of the two materials and release energy in the form of light.
这些都可以形成较为淡色的粒子,从而反射而不是吸收太阳的光能。
These can form less-black particles that reflect, rather than absorb, the sun's energy.
植物天生吸收二氧化碳来进行光合作用,这是一种将光能转化成化学能的过程。
Plants naturally take in carbon dioxide they need for photosynthesis, the process of changing light energy to chemical energy.
除此之外,激光能够持续更长时间段,而氙气灯较快燃尽,需定期更换。
On top of that, lasers last for a long time, whereas xenon lamps burn out and need to be replaced periodically.
就算这笔钱全部流向光能,美国当前的光能供应也只能增加不到1%。
If all this money went to solar, it would add less than 1 percent to current U.S. solar energy.
同样,侧光、顶光和底光能够在物体上投射出深而长的影子,从而制造出立体感。
Again, lighting from the side, above, or below, by casting deeper and longer shadows, creates the sense of volume.
最明显的方式是:植物将光能转化成化学能,或者有些动物吃植物来维持自身能量。
There are the obvious: like turning light into chemical energy like plants do. Or eating plants like many animals do.
不过你会说,在西班牙种西红柿阳光充足,而在英国种西红柿需要大量热能和光能。
But, as you point out, Spanish tomatoes grow in abundant sunshine, while Britain's crop requires large amounts of energy in the form of heat and light.
这个分子开关同样是朝向发明可以模拟植物捕捉阳光,转换光能的技术的一步。
The molecular switch could also be a step toward developing a technology that mimics plants' ability to harvest light and convert it to energy.
他表示今年下半年,激光能若达到400瓦时,这个工序将会在商业上可行。
The process will, says Dr Yabe, become commercially viable when the laser power reaches 400 watts, which could happen later this year.
激光能去除眼球虹膜最外层的棕色素或黑色素,而蓝眼珠会在两到三周之后显现。
The laser energy removes the brown pigment, or melanin, from the top layer of the iris, and the blue eye colour emerges over the following two to three weeks.
f制光圈(或称光圈)决定相机的景深(对焦区域)以及有多少光能通过镜头到达传感器。
The f-stop, otherwise known as the aperture, determines your depth of field (the area in focus) and how much light can pass through the lens to reach the sensor.
大约十年前,光电效率(即光能转换成电能的转换率)只有10%,而现在已经能达到40%。
A little over a decade ago, the best photovoltaic efficiency, or sunlight conversion into electricity, was 10 percent, and now it can reach 40 percent.
在自动门上的传感器会发出一种特殊的光,这种光能告诉自动门有“东西”在附近。
The sensor above the door sends out a special light that can tell if something is near the door.
尽管一些国家的可再生能源产能已在快速增长,但人们却不能确定风和阳光能够按需而至。
Although renewable capacity has been added quickly in some countries, you cannot be sure that the wind will blow or the sun will shine to order.
在为纪念“糖尿病周”的发起而开展的一项调查中,成千上万的人说他们希望时光能够倒转。
And in a survey to mark the start of Diabetes Week, thousands of people said they wish they could turn back the clock.
对噪音所扮演角色的新认识让他们不光能建造可以容忍噪音的处理器,还能利用噪音进行计算。
New insights into the role of noise are allowing them to build processors that can not only tolerate noise but actually exploit it to perform calculations.
对噪音所扮演角色的新认识让他们不光能建造可以容忍噪音的处理器,还能利用噪音进行计算。
New insights into the role of noise are allowing them to build processors that can not only tolerate noise but actually exploit it to perform calculations.
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