Needless to say, there aren’t many places you'd want to wear a tiny, super-heated thermal camouflage jacket that has to stay immersed in water, but the experiment demonstrates the potential for such materials. In time, the research may enable not only invisibility cloaks but also other ligh...
How to measure the refractive index of a glass block? How does a concave lens refract light? How are gamma rays produced artificially? How are positrons made? What is an elementary particle made of? How do gas lasers work? How does pulsed laser deposition work?
Refractive Index A refractive index is a dimensionless unit that relates the speed of light in a vacuum to the speed of light in the medium through which it travels. It is directly proportional to the speed of light in a vacuum and inversely proportional to th...
The most common technology used to build low-pass filters relies on birefringence, most commonly with the use of birefringent quartz. Toquote Wikipedia: “Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light...
When light hits the prism, it bends, or refracts, thanks to the change in refractive index between air and glass. But it doesn't stop there; as the light continues through the prism, it separates into its various colors. We call this process dispersion, and it's how a spectrum of col...
Light in a vacuum is generally held to travel at an absolute speed, but light traveling through any material can be slowed down. The amount that a material slows down light is called its refractive index. Light bends when coming into contact with particles, which results in a decrease in sp...
Making a cable out of a mirrored tube would work, but it would be bulky and it would also be hard to coat the interior of the tube with a perfect mirror. A real fiber optic cable is therefore made out of glass. The glass is incredibly pure so that, even though it is several miles...
a外丝直通外丝接头 Outside outside the silk goes nonstop to the silk attachment [translate] aYou should be with a guy who knows what he has when he has you You should be with a guy who knows what he has when he has you [translate] ai·am not here u`ll always be ok i·上午不...
One of the lens surfaces then reflects the light back to the detector at a different location. This ghost image is of interest because the ghost light is nearly focused on the detector, which will lead to a much brighter ghost image than if the light were spread out over a larger area....
a折射率 Refractive index[translate] aHappy park 愉快的公园[translate] a我错过了公共汽车不要紧,我可以步行 I missed the bus not to be unimportant, I might walk[translate] a谁是谁生命中的过客,谁是谁生命的转轮,前世的尘,今世的风,无穷无尽的哀伤的精魂. Who is in who life traveler, who is wh...