Strikes on Ukrainian positions have been reported following Russian President Vladimir Putin’s order of a military operation.
Category: military – Page 103
DIY Hydrophone Listens In On The Deep For Cheap
The microphone is a pretty ubiquitous piece of technology that we’re all familiar with, but what if you’re not looking to record audio in the air, and instead want to listen in on what’s happening underwater? That’s a job for a hydrophone! Unfortunately, hydrophones aren’t exactly the kind of thing you’re likely to find at the big-box electronics store. Luckily for us, [Jules Ryckebusch] picked up a few tricks in his 20-year career as a Navy submariner, and has documented his process for building a sensitive hydrophone without needing a military budget.
Fascinated by all the incredible sounds he used to hear hanging around the Sonar Shack, [Jules] pored over documents related to hydrophone design from the Navy and the National Oceanic and Atmospheric Administration (NOAA) until he distilled it all down to a surprisingly straightforward build. The key to the whole build is a commercially available cylindrical piezoelectric transducer designed for underwater communication that, incredibly, costs less than $20 USD a pop.
The transducer is connected to an op-amp board of his own design, which has been adapted from his previous work with condenser microphones. [Jules] designed the 29 × 26 mm board to fit neatly within the diameter of the transducer itself. The entire mic and preamp assembly can be cast inside a cylinder of resin. Specifically, he’s found an affordable two-part resin from Smooth-On that has nearly the same specific gravity as seawater. This allows him to encapsulate all the electronics in a way that’s both impervious to water and almost acoustically transparent. A couple of 3D-printed molds later, the hydrophone was ready to cast.
Russian atomic cannons move closer to Ukraine’s border
Russia has not let up with a military build-up along the border with Ukraine and deployed to border areas its 203-mm self-propelled guns, that could fire tactical nuclear shells.
Social media users posted videos showing 2S7 Pion self-propelled artillery guns at Vesela Lopan, Belgorod region, just 17 kilometers (10 miles) from the Ukrainian border.
Some experts said that this could be an upgraded version of an artillery system called the 2S7M “Malka”.
It Sure Looks Like China Is Turning Old Fighter Jets Into Drones
Why waste a perfectly good (but obsolete) fighter?
It sure looks like China is converting Cold War fighters into flying drones. Dozens of Shenyang J-16 fighter planes, spotted in satellite photos, are still present at China’s military airfields, despite the People’s Liberation Army Air Force (PLAAF) retiring the type in 2010. China could use the planes in a conflict, either masquerading them as modern jets, or using the drones to carry out combat missions of their own.
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The most powerful advanced military uniforms of the armies of the world | New Military Technologies
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You are on the PRO Robots channel and today we will try to answer the question what is the most powerful and technologically advanced military uniform in the world? To do this, let’s look at the most high-tech outfits of the armies of the world and what they should make the soldiers of the future. And let’s also take a look at what other future technologies are being developed for armies and soldiers around the world. Watch the video to the end and write in the comments, which army’s equipment impressed you the most?
In this video:
00:00 intro.
00:29 Future Combat Systems.
1:05 Ratnik 3
2:10 Future Integrated Soldier Technology.
2:59 FELIN
3:42 IdZ-ES
4:27 FLIR Black Hornet III
4:55 D-14 “Shelest“
5:28 Integrated Visual Augmentation System.
5:52 ENVG-B
6:27 Jetpacks and Flying Hoverboards.
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Dr Joel Mozer, PhD — United States Space Force — Director of Science, Technology, and Research
The Future Of Space Tech & Innovation — Dr. Joel Mozer Ph.D., Director of Science, Technology & Research, United States Space Force.
Dr. Joel Mozer is the Director of Science, Technology, and Research, United States Space Force (https://www.spaceforce.mil/).
With a PhD in Physics, and MS in Atmospheric Science, from University of Arizona, Dr. Mozer serves as the principal scientific advisor to the Commander and is the senior authority for all science and technology matters for an organization of approximately 11,000 space professionals worldwide, and manages a global network of satellite command and control, communications, missile warning and launch facilities. In this role, he interacts with other principals, operational commanders, combatant commands, acquisition, and international communities to address cross-organizational science and technical issues and solutions.
Dr. Mozer represents USSF science and technology on decisions, high-level planning, and policy, building coalitions and alliances throughout the U.S. government, industry, academia, the international community, and other scientific and technology organizations.
Dr. Mozer entered government service in 1992 with the U.S. Air Force. Prior to his current assignment, he was Chief Space Experimentalist of the Air Force Research Laboratory Space Vehicle Directorate. In that role, he was responsible for managing AFRL’s $40 million-per-year investment in research and development related to the development of experimental satellites and payloads and conducted a team of 100 engineers and scientists at Kirtland and Holloman Air Force Bases, New Mexico — all working to develop cost-effective ways to assemble, integrate, test and fly novel spacecraft and systems and demonstrating new concepts for Department of Defense systems and missions. His area of specialization relates to space control and remote sensing — understanding the natural and man-made space environment and developing forecast tools for warfighters, theater battle commanders and other decision-makers to mitigate risks.
Su-75: Is Russia’s New Stealth Fighter Actually Stealth?
Earlier this year, Russia unveiled their forthcoming “stealth fighter,” the single-engine Su-75 Checkmate, with bold claims about its expected performance and capabilities. Now, as the fighter is being displayed on foreign soil for the first time at this week’s Dubai Air Show, formal statements from its manufacturer have called its stealth credentials into question.
As we discussed at the time, Russia has a long and illustrious history of exaggeration when it comes to unveiling new defense technologies, from the Uran-9 infantry robot that garnered global headlines despite secretly not working at all, to the Checkmate’s older sibling, the Su-57, which is considered the least stealth of its fighter generation and currently exists only in token numbers. Even successful designs like the T-14 Armata main battle tank are smothered under a lack of funding, with Russia unable to produce or field them in any reasonable numbers.
And while the Su-75 has yet to even manifest in a flyable way, the firm responsible for developing the aircraft has carefully tip-toed around the topic of stealth throughout multiple stories published by Russia’s state-owned news outlets in recent months. Even the language used by these outlets is more reserved than you’ll often find in the international media. As one glaring example, you’ll find the Su-75 Checkmate referred to as a stealth fighter all throughout American media… but you won’t find Rostec (the firm developing the aircraft) use that term.