Researchers from Fudan University in China and Buffalo University in the United States have developed a reflective film made of new materials that can reflect light in a "dynamically changing color". In fact, it does not really change color, but can create dynamic visual effects with changes in external light, which can be used to make traffic signs, especially at night can play a better effect. Researchers said that this new technology can remind people to pay attention to road traffic information when it is dark, whether it is for drivers or pedestrians.
This film is composed of a polymer microsphere similar to the adhesive side of the transparent tape. The physical structure of this material leads to the phenomenon that when a white light source shines on its surface, different observers You will see different color changes, some are stable and single, and some are colorful, which mainly depends on the observer's angle and whether the light source is moving.
In one set of experiments, the researchers used this reflective film to create a speed limit sign with numbers and letters, and placed a white light source near it. The results showed that when the driver passed quickly, the content on the sign seemed to flash as the position moved; in another set of experiments, the researchers attached this reflective material to the lane line, and the vehicle passed It can be seen that the lane line reflects the light of the car in front and becomes very bright. For the driver, the color on the sign is bright and stable, but for pedestrians on the roadside, the color of the road sign seems to flash with the speeding of the car and the illumination of the lights.
One of the sponsors of this study, Professor Gan Qiaoqiang from Fudan University, said: "This material should be widely used to make road traffic signs. If drivers and pedestrians are chatting, listening to music, or other situations of inattention Next, traffic signs that change color can better remind everyone to pay attention to the traffic situation. "In addition, the faster the speed of the car, the faster the color change of the road signs seen by pedestrians, which can increase people's attention.
The road test for this research was conducted in China and was funded by China ’s National Key Research and Development Project and China ’s National Natural Science Foundation of China. In fact, to attract people's attention through reflection, the way to improve road safety is not uncommon, but new material road signs that can simultaneously alert drivers and pedestrians and produce dynamic effects to prevent visual fatigue are indeed worthy of further promotion. (Author: Weng Meng)
Sausage Stuffer:
Stainless Steel Home Sausage Stuffers use stainless steel grade of 201, 304 and cast aluminum. Not afraid of food safety and easy for cleaning, suitable for home using. These manual sausage stuffers have 4 filling tubes with different diameters for different requirements, customers could choose as their own needs. The installation of manual sausage stuffers is not complex, customers could do by self, we will provide detailed installation manual.
Sausage Stuffer
Sausage Stuffer,Sausage Filler,Manual Sausage Filler,Sausage Filler Machine,Home Sausage Stuffer
Suzhou CoreMission International Trading Co.,Ltd. , https://www.szcoremission.com