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New Kingmax memory cards record 4K2K video

17.03.2014

4K2K ultra-high-definition video is starting to take over the market, driving the demand for removable media that fits in size and speed. In a rush to meet this need, Kingmax has added SDXC and SDHC formats to the PRO Extreme series of memory cards, which far exceed the requirements of the UHS-I Speed ​​Class 3 specification.

According to the manufacturer, the PRO Extreme SDXC/SDHC series cards can be used to record Full HD (1080p), Ultra HD (2160p), 3D and 4K2K video on SLR and mirrorless cameras, digital camcorders and other devices. PRO Extreme SDXC/SDHC series cards are compatible with SDHC and SDXC devices and are currently available in 32 GB and 64 GB. Very soon, models with a capacity of 128 GB and 256 GB will also enter the market.

The cards comply with the SDA 3.0 standard. The presence of UHS-I Speed ​​Class 3 marking guarantees a write speed of at least 30 MB / s. The actual write speed reaches 40 MB / s, read - 90 MB / s.

The manufacturer provides a five-year warranty for Kingmax SDXC and SDHC PRO Extreme memory cards.

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Random news from the Archive

New camouflage material against thermal cameras 13.07.2018

In the science fiction film "Predator" the hero of Arnold Schwarzenegger was hiding from the "thermal vision" of the alien, smeared with a layer of wet and cold mud. But if he had used a new "thermal camouflage" material developed by a group of scientists from the University of Manchester, then Arnold Schwarzenegger would have been much easier and more effective in hiding from a predator.

The new thin, flexible and lightweight material consists of three even thinner layers. The top layer is several sub-layers of graphene, a form of carbon whose crystal is one atom thick. The bottom layer is made of fire-resistant nylon coated with a layer of gold. The two layers are electrodes separated by a membrane impregnated with ionic liquid, an aqueous solution of several types of salts that contains both positively charged and negatively charged ions.

When a small electric current is passed through this material in a certain direction, ions begin to move from the membrane towards the graphene electrode. In a few seconds, the concentration of ions increases so much that the amount of infrared radiation from the graphene surface is drastically reduced. And since almost all night cameras register exactly infrared light, this method of blocking this radiation will make an object hidden under a layer of camouflage material invisible to cameras.

It should be noted that during previous attempts to create thermal camouflage, researchers encountered a large number of insurmountable problems, such as the hardness and fragility of the materials used, poor adaptability to environmental changes and low reaction speed. As you can see, in the case of the new material, most of these problems have been successfully solved, and the high reaction rate of the new material will allow the camouflage system to instantly adapt to changes in external temperature, which will allow the object to be plucked not to stand out from other environmental objects.

“We have implemented a completely new principle for electrically controlling the amount of infrared light emitted,” the researchers wrote. “In addition to adaptive thermal camouflage systems, this technology can be used in many other areas, ranging from adaptive infrared optics to space technology.”

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