单词:high-temperature infrared transmitting glass
单词:high-temperature infrared transmitting glass 相关文章
LESSoN EIGHT TEXT Telecommunication via Satellite At the beginning of the twentieth century, there were four powerful means of transmitting and receiving information over long distances: print, photog
Criminals beware! Carbon Motors' purpose-built E-7 police car could be an officer's dream come true. What weve developed is a homeland security platform of technologies. The amount of equipment and technology in this vehicle not only provides them th
One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond
The toucan's long bill has long perplexed biologists. Darwin theorized that it attracted mates. Other suggested uses ranged from fruit peeling to territorial defense. But a report in the July 24th issue of the journal Science offers another explanati
Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然:室温下把一些冰块放入水中,
How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a
Aqua Technology 水资源监测科技 A new weather-monitoring satellite has been 30 years in the making, and some researchers think it's worth the wait. We'll speak with a scientist about the Aqua satellite -- on today's Earth and Sky. DB: This is Earth a
By Carol Pearson Washington 05 May 2008 High definition TV provides sharper images, but high definition imaging now goes beyond television. VOA's Carol Pearson reports on high definition eye glasses.
This is Scientific Americans 60 second Science. I'm Sophie Bushwick. Got a minute. Champane, do you drink it out the narrow flute or the the broader, more shallow coupe ? You may notice that your perception of the buble wine chaneled gas escaped from
The Terminal High Altitude Area Defense or THAAD is a missile defense system. It uses missile to stop missiles. And the U.S. has deployed the first components of a THAAD system to South Korea. Why? Because North Korea, which is a rival of both the So
Large Windows Could Capture Solar Energy 利用大窗户吸收太阳能 Solar cells have been around since the 1950s. But now there is a race to develop transparent solar cell that can cover windows of buildings and still capture the suns light for e
High-Tech Material Cools Buildings, Sends Heat Into Space 高新技术材料给建筑降温,将热量送入太空 Researchers at Stanford University have developed a new material that can move heat out of buildings and into space. The researchers say
As Hong Kong struggles to build an environmentally friendly city, one professor is studying ways to help cut carbon emissions and lower electricity usage by covering the city's rooftops with plants. Jim Chi Yung, a geography professor at the Universi
Hot Tech Ideas Seek Investors at San Francisco Expo The TechCrunch exposition in San Francisco is a place where tech start-up companies can meet potential backers for their new products. Under the banner Disrupt, inventors tried to convince investors
新款应用程序将3D打印技术发挥到淋漓尽致 This imaging application is scanning a toy bear to create a character for the popular game Minecraft. 这款图像应用程序正通过扫描一只玩具熊来创造流行游戏《我的世界》
Navigation, 3-D Printing in Sensing Technology Lead to New Apps LOS ANGELES 3-D printing, high-speed navigation and a magic mirror are some of the technologies that have come from new computer chips with advanced spatial sensing. Technology startups
意大利一名企业家发明了披萨自动贩卖机,顾客每次只需要等待3分钟,便可吃到新鲜出炉的披萨。 当客人付款下单后,这款披萨自动贩卖机便自动混和面粉和水,放到烤炉上压成饼底,然后在
The 1.5-kilogram drones, made of carbon fiber, are equipped with an infrared cameras, allowing them to see in the dark. They will also be fitted with radar systems and communications antenna to extend monitoring capabilities. But the truly outstandin
This extra jostling pushes the atoms farther apart, causing the whole substance to slightly increase in size. If the substance cools off, its atoms stop pushing against each other so vigorously. This makes the substance shrink again. This connection