Do the crazy inventions we often see announced go on sale? What happens to successful crowdfunding projects? Imagine, on the virtual Amazon racks you can find a bunch of gadgets that evoke two thoughts: " Does that thing even exist?" and " To the cart!". On-the-fly purchases often fall into the category of cheap junk, but today we have a selection of much more serious devices. And you want to buy them immediately, despite the price.
The so-called "smart" sights for small arms have existed for a long time. However, they remained niche accessories for rich gunsmiths, or as prototypes. Now a lot of "firearms" will get opportunities that we have seen for decades only in films about the future.
Recent times (even before extensive discussions MLRS MLRS M270 and M142 HIMARS ) in conversations about military assistance, guns, self-propelled guns and howitzers of 155 mm caliber appeared. Ukraine already uses howitzers M777 "three axes" and ACS - Norwegian M109A3, American M109 and French Caesars. On the way Polish AHS Krab and Dana c Zuzana 2 from Slovakia. All this will increase the firepower of the Armed Forces of Ukraine not only due to 155-mm NATO ammunition, which will be supplied uninterruptedly and in the required quantities thanks to the opening supermarket "Ramstein" for Ukraine. But also due to high-precision GPS-guided munitions, which have another important parameter in the war - a much lower consumption. What gives an advantage in logistics - you need fewer of them and you can deliver the right amount faster (and, as a result, cheaper). Everyone has heard about the high-precision (and not cheap) M982 Excalibur projectile, but now there are no less interesting ammunition that can enhance the firepower of the Armed Forces of Ukraine.
The entire previous week was spent waiting for the delivery of modern multiple launch rocket systems for the Armed Forces of Ukraine. Despite the law on lend-lease, adopted in the United States, according to rumors, politicians feared that this type of weaponry would carry "the risk of escalation if Ukraine strikes deep into Russian territory." But in the end, the US approved these supplies (still - the status of the law obliges them to do this). As a result, the M270 multiple launch rocket systems (on a tracked chassis) and M142 HIMARS (lighter and more mobile, on a wheeled chassis) should enter the Armed Forces of Ukraine, which the US authorities will officially announce next week. Why are these systems interesting, what ammunition do they use, why are politicians afraid of an “escalation” in the context of an already ongoing full-scale war (the largest in Europe since World War II) and how can they influence the course of hostilities? Editorial gg figured out and ready to share with you.
A reliable power supply is the key to the health and longevity of all other computer components: processor, motherboard, video card, and especially disks. But drives are valuable not so much in themselves, but the information stored on them. A common cause of bad sectors on hard drives is just power surges supplied by the power supply. The generally accepted 80 PLUS (Bronze, Gold, Platinum, Titanium) energy efficiency certification, which means the efficiency of the PSU, is de jure not a guarantee of reliability, but de facto means that at least someone external has tested the PSU. Not a single manufacturer will dare to give a completely hacky model into the hands of testers. However, there are worthy PSUs even without the 80 PLUS certificate: either their efficiency does not reach the minimum allowable 80%, or the manufacturer simply decided to save on the certification procedure and, thereby, reduce the cost of the product. In addition to high efficiency, modular design is also important, that is, the ability to disconnect unused wires for a neater PC exterior.
Over the past centuries, weapons and military equipment have continuously evolved. Military necessity led to the next technical breakthroughs, all-damaging types of offensive weapons appeared, allowing strikes from a distance of hundreds and thousands of kilometers. Today, however, individual small arms are by no means an anachronism. After all, remote methods of warfare are effective only if the purpose of the operation is to destroy the industrial and military infrastructure of the enemy.
Air coolers are more compact, easier to install and maintain, and simply cheaper. But still, their heat dissipation capabilities are severely limited - 200, well, maybe 220 watts. Even in smartphones and gaming laptops, manufacturers are experimenting with liquid cooling (although there is not a water block, but the so-called evaporation chamber). And in desktop PCs, especially powerful gaming and professional-working ones, the liquid or, in common parlance, water cooling system reduces the temperature of the processor by 10 degrees and adds 10 points of charisma. There are five main sizes of water blocks: 120, 240, 280, 360 and more recently 420 m (one, two and three fans, respectively). The heat dissipation efficiency can reach 350W. In addition, CBOs are divided into closed-type factory ones, into which the refrigerant liquid was initially charged, and custom ones, which need to be assembled from pipes and fittings, like a seasoned plumber.
The appearance on the battlefield of such weapons as loitering ammunition (loitering munition) revealingly draws a line between war in the 20th and 21st centuries. So far, there are no signs that they will completely change the course of hostilities, as did machine guns or tanks with aircraft in past world wars. But, perhaps, their time has not yet come (after all, the first tanks also had extremely dubious effectiveness in battles and produced more of a psychological effect). After all, this type of weapon is at most a decade and a half old, and its history is still not really written. It is all the more interesting to admit that Ukrainian companies have been developing their own loitering ammunition systems for several years now.
Undoubtedly, you can “drag the rink” in Dota 2 or CSGO by manipulating the simplest office mouse. But firstly, a budget mouse has a high probability of a “failure” of the sensor (accidental movement or, on the contrary, freezing of the cursor) at the most crucial moment of a multiplayer battle. And secondly, it can quickly tire the wrist, which in the long run is fraught with chronic joint disease. Therefore, now the trend is predominantly ultra-light mice (60 - 80 g), which is achieved by abundant perforation of the case. Moreover, the difference between a wired and a wireless mouse is now an insignificant 10 g. However, many “Old Believers”, on the contrary, prefer heavier mice - 100+ g. A compromise solution may be the presence of weights to adjust the mass. Avago laser sensors are almost completely replaced by Pixart optical ones. If you are right-handed, then you are free to choose between a symmetrical or asymmetrical mouse shape. Left-handers will have to be content with purely symmetrical ones, and even then the side buttons can be pressed not with the thumb, but with the ring finger.
History is cyclical: mechanical keyboards first gave way to membrane keyboards, and now they are again gaining universal love. The “mechanics” have several advantages at once: the variability of tactile and sound sensations from printing (switches of different colors), durability ten to twenty times greater than membranes, and the possibility of customization (replacing keycaps, and even switches in top models). An even more progressive subspecies of microswitches is gradually gaining popularity - optical-mechanical, where pressing is read not by the closure of electrical contacts, but by the interruption of a beam of light. In addition, mechanics come in a wide variety of shapes and sizes: ultra-compact, which fit in a large jacket pocket; sophisticated with low-profile switches and keycaps; and finally full-size with an abundance of programmable macro keys. All this can be complemented by the now fashionable RGB lighting and other options: a volume control roller, a detachable cable and a palm rest, an integrated processor and memory.
Theoretically, you can assemble a computer even in a tangerine box or without a case at all on the table - the so-called open stand. And you can turn on the PC by closing the contacts on the motherboard with a screwdriver. But besides the aesthetic, the case also performs other important functions: it protects computer components from mechanical damage, absorbs static electricity, muffles the noise of fans and vibration of disks, and forms the correct direction of air flow. Although some unsuccessful hull models seem to have been designed by those who do not understand anything about aerodynamics. There are three main case sizes corresponding to motherboard sizes, as well as several subtypes. The most compact Mini-ITX, which can be implemented as "thin clients", cubes or just low towers. Midsize Micro-ATX - Moderately tall Mini-Towers or larger cubes. And finally, full-sized ATX, they are also Midi-Tower or Super-Tower, the second subtype for wide E-ATX motherboards.
Unlike the Tray version, the packaging options for Box and MPK processors (a beautiful colored and gray cardboard box, respectively) are equipped with a simple cooler. The only exceptions are Intel Core chips with the K and KF index, that is, an unlocked multiplier and the possibility of manual overclocking. There is no way to cool them with a small bar of aluminum. But even for less hot processors, the out-of-the-box cooler is a dubious choice: noisy and operating on the verge of overheating (80+ degrees Celsius). Fans of complete silence in the room are wiser to trust an inexpensive single-tower cooler, and fans of "icy temperatures" - a double-tower supercooler. This term means models capable of dissipating over 200 W of heat.
This year Google (or it would be more correct to say - Alphabet, which is now the parent company for all projects of the corporation) unexpectedly announced a special version of the Android operating system 12Ldesigned specifically for smartphones with a foldable (and therefore enlarged) screen. Technically, they promise to optimize Android for working on tablets and chromebooks (laptops on the Chrome operating system, in fact, there is nothing there except the browser). But we understand that the real impetus for this announcement was not tablets at all, and not Chromebooks that have existed for more than one year. For the last year Samsung and Google's interests are closely intertwined - first, in November 2020 Google added Samsung to the list of recommended partners, then, in May 2021, at the Google Developers Conference, a strategic a partnership between the two companies to develop WearOS, a platform for wearable devices (primarily watches). Given that Samsung today leads in segment of smartphones with folding screens, it's easy to add two and two to understand a simple thing - Google wants to use existing Samsung developments in this direction to make them part of its Android operating system. Therefore, you can evaluate the capabilities of the future Android 12L today, using the example of Galaxy Fold3 with One UI 3.1.1.