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Zaporizhzhia Nuclear Plant a Clear Present Danger

See my explanation of the spent fuel rods and why if something is not done to get water to the spent fuel rod pools at the Zaporizhzhia Nuclear Plant there will be a catastrophic radiation release that may trigger WWIII. See why Russia and Ukraine are each saying the other is going to blow up the cooling pools and the plant. See what that means for you. Take your preps seriously!

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Here’s What NASA Pays to Be Locked in a Mars Simulator for a Year

Four individuals have agreed to be sequestered inside a 1,700-square-foot simulated Mars habitat at NASA’s Johnson Space Center to study what it would be like to live on the Red Planet and how humans can learn to cope in that extreme environment.

During their 378-day stay, which officially kicked off earlier this week, they’ll have a surprisingly busy schedule, including a strict exercise regimen as well as a lengthy list of duties, from performing simulated spacewalks to growing crops.

In other words, it’s a demanding job that’s bound to be tough on the crew of four.

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AirPods Pro 2 could monitor user’s hearing for issues

Apple’s next version of the AirPods Pro equipped with USB-C will ship this fall, a report claims, and it may even help users discover hearing problems too.

Apple is rumored to be working on an updated version of the AirPods Pro that could arrive within months. That model is already believed to be using USB-C for its wireless charging case instead of Lightning, but it is thought that it could finally land this fall.

According to Mark Gurman’s “Power On” newsletter for Bloomberg, the AirPods Pro 2 is set to launch in the fall at the same time as the iPhone 15.

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The first flying car, ‘Model A,’ approved by the FAA and it’s 100% electric

The flying car is now available for preorder, the Santa Clara, California-based company posted on its website. Carrying one or two occupants, the vehicle will sell for about $300,000.

The “Model A” is 100% electric, drivable on public roads and has vertical takeoff and landing capabilities, the company wrote in its release.

The car will be a Low Speed Vehicle, meaning it won’t go faster than about 25 miles per hour on a paved surface. If a driver needs a faster route, they will be able to use the vehicle’s flight capabilities, according to Alef.

Alef Aeronautics’ ‘Model A’ has a driving range of 200 miles and a flight range of 110 miles. The company plans to start delivering cars by late 2025.

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Photonic chip enables faster and more energy-efficient artificial intelligence programs

The data centers and high-performance computers that run artificial intelligence programs, such as large language models, aren’t limited by the sheer computational power of their individual nodes. It’s another problem—the amount of data they can transfer among the nodes—that underlies the “bandwidth bottleneck” that currently limits the performance and scaling of these systems.

The nodes in these systems can be separated by more than one kilometer. Since metal wires dissipate as heat when transferring data at high speeds, these systems transfer data via fiber-optic cables. Unfortunately, a lot of energy is wasted in the process of converting electrical data into optical data (and back again) as signals are sent from one node to another.

In a study published in Nature Photonics, researchers at Columbia Engineering demonstrate an energy-efficient method for transferring larger quantities of data over the fiber-optic cables that connect the nodes. This new technology improves on previous attempts to transmit multiple signals simultaneously over the same . Instead of using a different laser to generate each , the new chips require only a single laser to generate hundreds of distinct wavelengths of light that can simultaneously transfer independent streams of data.

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