China’s People’s Liberation Army Air Force has demonstrated for the first time the maneuverability of the fifth-generation J-20 fighter, which outperforms the American F-35 Lightning II in all-speed maneuverability, endurance and avionics, Military Watch reports.
The capabilities of the aircraft were shown at the open day of the PLA Air Force in Changchun in Jilin province. The two J-20s exhibited steep climbs and turns that “few classes of fighters in the world” are capable of, according to Military Watch.
The J-20 is one of two classes of fifth-generation fighters both in production and in service at squadron level, along with the US F-35. Back in December last year, it was announced that the fighter was entering service.
According to Military Watch, fifth-generation fighter airframes, which result in low aircraft visibility, are heavier than fourth-generation airframes. This makes it difficult to achieve high maneuverability. In the US F-22 Raptor fighter, two F119 engines provide maneuverability, while the F-35 has one more powerful F135 engine and has a lower thrust-to-weight ratio, making it the least maneuverable fighter of its generation.
Earlier, Lockheed Martin said it was seeing an increase in interest from different countries in the fifth-generation F-35 fighter. Before that, it became known that the US Air Force would use an upgraded version of the F-16 Fighting Falcon, developed in 1974, in the coming decades. The updated F-16 will receive a radar station with an active phased antenna array. Also, during the modernization, the F-16 will receive a special Have Glass coating, which reduces the radar visibility of the fighter.
Apple Watch may have Touch ID – it is described by a new patent
In 2017, a patent appeared on the web that described the Touch ID system in the Apple Watch. He never got to the level of finished technology, but it seems that the company has not forgotten about it. According to media reports, a new patent on the same topic was recently discovered on the net. He describes Touch ID as a kind of “new touch device.”
Judging by the published images, the fingerprint scanner can be placed in the side button. Judging by the same patent, the recognition system will be much smaller than in the iPhone and iPad, which will fit the fingerprint scanner and other data into the watch.
Note that the presence of a patent does not always mean the emergence of a finished technology. A commercial solution to the 2017 patent application has not emerged. However, it is possible that biometric identification will still appear in the Apple Watch.
Earlier it was reported that the first Apple Watch Ultra has already been unpacked and compared with 45 mm Apple Watch
1.78″ AMOLED screen, 105 training modes, up to 10 days of autonomy. OnePlus Nord Watch details and renderings
OnePlus is rumored to be launching the low-cost OnePlus Nord Watch smartwatch as early as next week. Like it or not, we will soon find out, but the source turned out to have quite high-quality renders of the device, as well as details about the technical characteristics.
Judging by these pictures, OnePlus is not going to copy the Apple Watch, however, the design does not show much novelty either. The device will receive a fairly large AMOLED display with a diagonal of 1.78 inches and a frame rate of 60 Hz.
The OnePlus Nord Watch interface demonstrates the presence of SpO2 and heart rate sensors, as well as a stress monitoring system. Surely they will be able to track the quality of sleep. It is also reported that there are 105 training modes, support for Bluetooth 5.2 wireless communication. Autonomy will be 10 days – in active mode, and in standby mode – up to 30 days. The cost has not yet been named, but everything shows that these watches will not be expensive.
Apple’s most advanced smartwatch and earbuds go on sale
Today, the rugged and powerful Apple Watch Ultra and the Cupertino company’s most advanced earbuds to date, the AirPods Pro 2, are on sale worldwide. At the same time, Apple released an update to the watchOS 9.0.1 operating system, details of which were not disclosed.
The 49mm case of the Apple Watch Ultra is made of titanium, the watch received a flat sapphire crystal and a special frame that protects the screen from damage during impacts. Display brightness up to 2000 cd/m2, the watch supports body temperature measurement, SpO2, ECG function, meets the requirements of the US military standard MIL-STD 810. In addition, the Apple Watch Ultra has an additional programmable Action Button and an additional speaker, and the Digital Crown has been enlarged. The new speaker, in particular, is used to activate the siren, which can be heard at a distance of up to 190 m.
Apple said that in normal mode, the Apple Watch Ultra can last up to 36 hours on a single charge, which is longer than any other watch. But there is also a special mode in which they will work up to 60 hours. Apple Watch Ultra supports improved GPS with more accurate positioning.
Early adopters of the AirPods Pro 2 confirm that the sound quality of the earphones has been improved, while at the same time they have extended battery life. Compared with the first generation AirPods Pro, the noise canceling effect is also improved, the headphones support direct volume adjustment by sliding up and down the foot.
The Apple Watch Ultra costs $800 in the US, while the AirPods Pro 2 is priced at $250.
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