光比声音传得快。
每年都会生产数百万个CCD，以满足大众数码相机的市场需要，但结果证明它们也是科学领域的一项重大技术变革，据此生产的光传感器比以前存在的各种光传感器都要敏感许多。
Millions of CCDs are made each year for mass market cameras, but they also proved a transformational technology in science by providing a much more sensitive light sensor than previously existed.
这四只狗都取名为“Ruppy”（“ruby”和“puppy”的合成词），在正常光条件下，它们看起来和普通的比格猎犬没什么差别。
The four dogs, all named "Ruppy" — a combination of the words "ruby" and "puppy" — look like typical beagles by daylight.
但是，虽然光信号比电信号在信息传输上高效很多，却也更难控制。
But while optical signals transmit information much more efficiently than electrical signals, they're harder to control.
但是，会发光的小狗拉比却引起了广泛的关注，这也许主要是因为它非常可爱。拉比是一只克隆的小猎犬，在紫外光下会发出红色的光。
But Ruppy the Glowing Puppy, a cloned beagle that glows red under UV light, has gotten the lion's share of attention, largely because he's adorable.
虽然还没有发现一种速度与光一样或比光还快的物质，但科学实验已经证实，加速运动会延长旅行者的时间。
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments have already confirmed that accelerated motion causes a traveler's time to be stretched.
由于正在取代绵羊的牛对千里光草中含有的毒素比绵羊敏感得多，影响的严重程度有所增加。
The severity of the impact was increased because cattle, which were displacing sheep, are much more sensitive than sheep to the toxins contained in ragwort.
因为这样能使用较少的灯管，侧光式比全阵列式更便宜。
Since they have fewer lights inside, edge-lit LED models are cheaper compared to full-array models.
随着中微子束的收紧，中微子仍然比光提早了60纳秒抵达了格兰·萨索。
With the beam tightened up, the neutrinos still arrived at Gran Sasso 60 nanoseconds faster than light would have.
爱因斯坦的理论可能会刹住比光还快的中微子。
Einstein's Theory May Put Brakes on Faster-Than-Light neutrinos.
看起来非常确定的事情是：没有信号，更不用说物质，可以比光传播的速度快。
For it seems as certain as anything can be that no signal-still less any material object-can ever travel faster than light.
在2007年，MINOS的实验搜索过比光还要快的中微子，但没有得到任何有统计学意义的结果。
In 2007, the MINOS experiment searched for faster-than-light neutrinos but didn't see anything statistically significant.
科学家认为，他们可以使光行进得甚至比这更慢，达到每小时约二百分之一英里。
They think they can get it to move even slower, around two hundredths of a mile per hour.
阴影的颜色一般是比环境光更暗一些的颜色，因为环境光被不断的反射、反弹因而和物体实际的颜色相混合了。
Shadows are most of the time a darker version of the ambient light because the ambient light gets reflected/bounced of pretty much everywhere and thus mixes with the actual color of the object.
我们的宇宙从所有方向看，大致是相同的，甚至包括比自大爆炸后光传播最远的距离更远的分离区域。
The universe looks roughly the same in all directions-even parts that seem to be separated by more than the distance light has traveled since the Big Bang.
有研究者已利用一种纳米管催化剂，在光的作用下，把二氧化碳和水蒸汽转化为一系列的燃料，转化的速度比以往加快。
Researchers have used sunlight to convert carbon dioxide and water vapour into a range of fuels faster than ever before, thanks to a nanotube catalyst.
对于人类而言，视网膜由密集的光感棒体以及视椎体细胞组成。 棒体细胞在弱光条件下比椎体细胞更容易发挥作用，并且这些细胞也是在鲨鱼视网膜内发现的最常见的细胞类型。
Rods are able to function in much lower light than cones - and these were the most common cell types found in all of the sharks.
AIRprint比正方形的纸巾盒还要小，里面放置了两个130万像素的摄像头和一个偏振光发射源。
Slightly smaller than a square tissue box, AIRprint houses two 1.3 megapixel cameras and a source of polarized light.
凯若维森灯的小巧外形与发光的二极管相似，但前者比那种半导体装置发出的光更加明亮。
The lamps' small size makes them comparable to light -emitting diodes but the new lamp generates much brighter light than those semiconductor devices do.
那片真空，由于没有光可以穿透它，便呈现出完全的黑色——并不是比黑色深或比黑色浅，不是那种我们宽泛地将之归类于这个词的东西，而是完全的、彻底的无限黑暗。
The empty region, since no light ever penetrates it, is absolutely black-not more or less black, like the things to which we loosely ascribe this word, but utterly, completely and infinitely black.
它们是位于太阳磁场上暂时性的比周边温度偏低的混乱的一块区域，也因此看起来就像光球——太阳表层上的暗斑。
They are transient tangles in the sun’s magnetic field that are slightly cooler than their surroundings and so appear as dark patches in the photosphere—the surface layer of the sun.
它们是位于太阳磁场上暂时性的比周边温度偏低的混乱的一块区域，也因此看起来就像光球——太阳表层上的暗斑。
They are transient tangles in the sun's magnetic field that are slightly cooler than their surroundings and so appear as dark patches in the photosphere—the surface layer of the sun.
我们活在浩瀚的宇宙里，漫天飘洒的宇宙尘埃和星河光尘，我们是比这些还要渺小的存在。
We live in a vast universe, stardust and light particles floating all throughout, we are existences smaller than these.
我们活在浩瀚的宇宙里，漫天漂浮的宇宙尘埃和星河的光尘，我们是比这些还要渺小的存在。
We live in an immense universe, where stardust and light particles float all throughout. Our existence is minor in comparison.
随时间，我们王国与所有其它花卉将学会必需的音调来再次创造光，而光或许会使我们比以前更为美丽。
Over time our kingdom along with all other flowers will learn the tones necessary to create light again, and the light shall make us perhaps even more beautiful than before.
我们活在浩瀚的宇宙里，漫天漂浮的宇宙尘埃和星河的光尘，我们是比这些还要渺小的存在。
We live in an immense universe, where stardust and light particles float all throughout. Ourexistence is minor in comparison.
我们活在浩瀚的宇宙里，漫天漂浮的宇宙尘埃和星河的光尘，我们是比这些还要渺小的存在。
We live in an immense universe, where stardust and light particles float all throughout. Ourexistence is minor in comparison.
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