Philips Brilliance 27P5VYKEB 275" 4K Monitor. Free Technical Library News

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27" 5K monitor Philips Brilliance 275P4VYKEB

12.09.2015

For those to whom 4K is already not enough, Philips has decided to release a monitor with a larger resolution - 5K (5120 x 2880 pixels). The Philips Brilliance 275P4VYKEB model has a diagonal of 27 inches and is based on a PLS-matrix with a pixel density of 217,57 ppi and a color depth of 10 bits.

The monitor has a wide color space coverage (100% sRGB and 99% Adobe RGB) and supports Flicker free technology, responsible for the absence of flicker at all brightness levels. Thus, this model does not contribute to rapid eye fatigue.

Philips Brilliance 275P4VYKEBThe maximum declared brightness of the display is 300 cd/m1000, the contrast ratio is 1:178, the viewing angles are 8 degrees vertically and horizontally, and the response time is 275 ms. As for interfaces - Philips Brilliance 4P1.2VYKEB is equipped with two DisplayPort 3.0 connectors and three USB 2.0 ports, one of which is designed for fast charging of mobile devices. True, the manufacturer does not specify what technology is used for this. Perhaps we are talking about Quick Charge XNUMX.

The Philips Brilliance 275P4VYKEB has a Pivot feature that allows you to use the monitor in portrait mode. And thanks to the support of the VESA mounting standard, the device can be hung on the wall. The monitor also has built-in stereo speakers (2 watts each), a 2-megapixel webcam and a microphone.

Power consumption is about 69 watts, while in ECO mode it is about 45 watts.

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Aluminum batteries are better than lithium-ion 12.10.2019

Physicists claim that batteries based on aluminum ions are much more efficient and environmentally friendly than lithium batteries that are popular today.

Progress cannot be stopped, and today we all depend on batteries, whether we like it or not. Everything from smartphones to cars requires a battery to run. However, modern lithium-ion batteries have a number of obvious disadvantages. A new study has shown that a modernized type of aluminum battery is far superior to the current standard.

The main advantage of aluminum batteries is the relatively low production costs and the use of materials that are abundant on our planet and are readily available. This means that a person does not have to destroy entire ecosystems and spend huge resources in order to obtain materials for their manufacture. First of all, this concept is suitable for large-scale energy systems - for example, for areas where it is possible to extract energy from renewable sources and it needs to be stored somewhere.

In addition to the shortage of lithium, manufacturers of classic lithium-ion batteries also face the problem of using cobalt, a metal potentially hazardous to humans. If industrialists succeed in switching to aluminum, then we will become noticeably less dependent on fossil fuels, and the process of manufacturing and recycling batteries will be noticeably simplified.

Physicist Patrik Johansson of Chalmers University of Technology in Sweden also noted that the new type of battery also has twice the energy capacity of aluminum batteries already on the market. The concept itself is not innovative, but if earlier graphite was used as a cathode, now it has been replaced by anthraquinone.

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