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Shadow in the car where needed

21.03.2023

Korean engineers have invented a way to distribute shadow spots throughout the interior of the vehicle, as passengers need. This will bring natural light into the interior of the Hyundai Ioniq 6.

The system uses cameras and interior light intensity sensors. The task of the camera is to determine the position and movement of passengers, and the light intensity sensors determine how much light is available in different areas of the cabin.

Together with the camera system, there are external sensors mounted on the roof to detect the intensity of incoming natural light as well as its orientation relative to the car.

Let's assume that the available natural light will make the cabin lighter than desired. In this case, the smart lock blocks are automatically dimmed to reduce

The control unit also detects lighting around passengers and can dim some areas on the roof to keep residents cool in the shade. When operated with a roof-mounted light sensor and interior camera, the system will also move shaded areas above the vehicle's occupants to ensure they are not exposed to direct sunlight, regardless of the vehicle's direction of travel.

The key technology is electrochromic glass inserts in the sunroof panels, which can change their opacity and/or color in response to the application of electrical voltage. This is not a new technology, but its application here is unique. This innovation relies primarily on available technology, so there are no major barriers to seeing it in production models from Kia or Hyundai anytime soon.

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Absolutely smooth surfaces 26.01.2001

Professor of the State University of North Carolina (USA) Jan Genzer and colleagues have developed a technology for manufacturing absolutely smooth surfaces.

The substrate made of elastic polymer material is slightly stretched in all directions and coated with Teflon. After some time, the mechanical stress is released, the substrate returns to its original shape, and the Teflon molecules, chemically bonded to the surface, are brought extremely close to each other, forming a dense molecular film with a uniform structure.

Its properties are very unusual: firstly, chemically it is much more inert than any other natural material. Secondly, which partially follows from the first, there is practically no friction between parts coated with Teflon using this technology. The new development can be used in the automotive industry (friction-free bearings) and medicine (implants that do not interact with surrounding tissues).

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