"The Norwegian certification agency DNV has certified the commercial wave-driven power generator Corpower C4 for regular use," writes Longtime Slashdot reader Qbertino. "German news site heise.de has a detailed write-up. See a CGI video of the power station and its internals, as well as the company's website [at their respective links]." From the report (translated to English): According to the manufacturer Corpower Ocean, it is the first DNV prototype certificate for a wave energy converter. The certificate confirms that Corpower's technology meets DNV's requirements for structural strength, reliability, and safety, Corpower Ocean announced. The certification process began in the design phase and lasted seven years. DNV oversaw the process from concept development through design, manufacturing, and assembly, to dry-running tests and subsequent operation. This is an important step, said Patrik Moller, CEO and one of the founders of Corpower Ocean. With the certification, wave energy is no longer just a promising technology, but a proven and financially viable one. This opens up new opportunities for project financing, insurance, and investments in commercial applications. The Corpower C4 wave power plant looks like a normal buoy: It consists of a 19-meter-long floating body with a diameter of 9 meters and a weight of approximately 11 tons. The system is anchored to the seabed. A mechanism inside the buoy converts its up-and-down movements in the waves into a rotary motion. This, in turn, drives a generator that produces electricity. The report notes that the company is "planning the first two industrial-scale wave energy farms off the coasts of Portugal and Scotland," which are scheduled to begin operating sometime between 2027 and 2029.

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Nishati Power Technologies announced that the U.S. Patent and Trademark Office issued it Patent No. 12,671,257, covering hybrid power generation technology built specifically to solve that problem for troops operating far from any power grid. The issue Nishati’s patent addresses sounds technical, but it plays out as a very physical headache for soldiers in the […]

The potential deal highlights a growing trend of complex, multi-stage funding rounds that mask true entry prices.

Anthropic is reportedly in very early talks to lease computing power from Meta in a potential deal worth around $10 billion. The discussions follow Anthropic's recent compute deal with SpaceX and come as Meta explores selling excess AI capacity as part of a broader push to turn its massive infrastructure spending into a cloud business. CNBC reports: Access to enough AI chips remains a challenge for firms like Anthropic, which places usage limits on its most advanced models like Fable. [...] Meta could spend as much as $145 billion on capital expenditures, including for AI infrastructure, in 2026. Last October, Zuckerberg said that companies are regularly "asking if we have compute that they could buy from us at some premium to what we've bought it at."

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An anonymous reader quotes a report from Electrek: A Reddit post making the rounds this week claims the U.S. has experienced at least one major power outage every month of 2026 -- but is it true? I dug into several outages, the extreme weather behind them, and what we can do to help keep the lights on. [...] The claim that hundreds of thousands of Americans were without power over extended periods at least once per month, every month of 2026 surprised be in two ways. First, because I had no idea if it was true -- and, second, because it felt true. We try to do better than writing about things that feel true around here, however, so I did a bit of research (translation: I Googled power outages by month) and came up with the following examples in about sixty seconds January: More than 296,000 customers still without power as winter storm freezes much of the US February: More than 380,000 customers without power as winter storm hits US Northeast March: Storms Cut Power to Over 1 Million Customers in U.S. Midwest, Mid-Atlantic; Ohio Hardest Hit April: At least 29 tornadoes touched down in Central Illinois on April 17th May: Energy Secretary Issues Emergency Order to Deploy Backup Generation in the Mid-Atlantic Amid Heatwave June: More than 373,000 U.S. customers without power due to extreme weather ... and that list is far from comprehensive, and how you feel about it might depend on what you consider a "major" outage, of course -- but consider that there are tens of thousands of Americans without power right now, and that's not making the news. [...] The lesson here is that weather-related grid outages -- whether they're caused by wildfires, mudslides, derechos, tornadoes, ice storms, hurricanes, heat waves, or some other disaster I'm lucky enough to have forgotten about -- read like statistics when they're happening over there, but get personal real quick when they're happening to you.

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Google's biggest solar and battery project stands in sharp contrast with xAI's nearby unpermitted power plant.

An old Oscar Mayer factory in Wisconsin will become America's latest fusion power research and development hub.

General Fusion started trading on the Nasdaq following a reverse merger that saw high redemptions.

The Associated Press reports: An islandwide blackout struck Cuba on Friday for the second time this week as the nation of nearly 10 million people grapples with a crumbling power grid and fuel shortages stemming from a U.S. energy blockade... Authorities reported that they have already begun restoring power to some areas. On Monday, another massive blackout affected nearly 10 million people nationwide. Authorities reported during the week that service was gradually being restored from that outage. "While total blackouts have become increasingly common in the Caribbean country, it's unusual for back-to-back ones to hit just days apart..."

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The proliferation of nuclear power in space got a little more real Tuesday with the launch of a small satellite developed by a Florida-based company specializing in nuclear micro-power technology.

It's a long way from launching a bona fide nuclear reactor, a breakthrough that could help power a permanent Moon base and efficiently drive rockets throughout the Solar System. But you have to start somewhere.

The satellite from Miami-based City Labs is named BOHR, short for Betavoltaic Orbital High-Reliability, and it launched on a SpaceX rideshare mission Tuesday alongside 80 other payloads. SpaceX's Falcon 9 rocket released the BOHR satellite into an orbit between 350 and 400 miles (nearly 600 km) in altitude.

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In some parts of Canada, you’ll rarely hear someone use the phrase “whatever paddles your canoe” instead of the more usual “whatever floats your boat”– and apparently, at least for one Swede, that’s steam power. The video, linked and embedded below, is a detailed tour of a canoe equipped with a small boiler and an outboard motor that has been converted to run using steam pressure by [Kenneth Karlsson].

The canoe itself appears to be a Grumman of the “prospector” type, wide in body to hold all the gear you’d need for extended wilderness trips– or, in this case, a small boiler. Amidships is the ideal place, as it won’t affect the balance of the boat. Amidships is an odd place to put an outboard– in the North American homeland of the canoe, if you aren’t moving under your own power, it is more common to cut off the curved stern of the canoe and mount the outboard to the newly-made transom. [Karlsson]’s choice to put the outboard off one side will be less maneuverable than a stern mount, but saves the need to modify the canoe and makes for much shorter steam lines. Shorter steam lines means less hose to potentially leak and scald the occupants, as well as fewer losses, so we can’t really argue with the tradeoffs.

The engine is an old two-stroke outboard that has a single steam cylinder retrofitted to it, along with a heat exchanger to warm up lake water with exhaust steam before it heads the boiler. The water is filtered first, of course, but we do hope the new owner– who posts on YouTube with channel “Steam Canoe” is diligent about cleaning the boiler. It doesn’t look like super high pressure steam, but the vapour phase of water is always something to be respected.

If the potential of scalding steam leaks and boiler explosions put you off, but you still won’t pick up a paddle, canoes can be rigged with sails— or you can just hand the paddle to a robot arm. Though given this is Hackaday, maybe you’d rather skip the canoe and climb aboard the good ship Benchy instead.

Last week, just before the US started its break for the July Fourth holiday, the Nuclear Regulatory Commission (NRC) proposed a new rule that would change how it regulated exposure to radiation. The Trump administration has been pushing to restart construction of nuclear power plants in the US, and many pro-nuclear advocates have been complaining about the US's existing regulations, portraying them as the main barrier to the flourishing of the industry. So, it had seemed likely that major revisions were coming.

Instead, the NRC's proposed new rules endorse the science behind its current rules and suggest that any problems are largely in the vagueness of the terminology that it has been using. So, instead, it's endorsing standards that are meant to accomplish the same thing, but avoid using some of the language it had relied on. Probably the clearest indication of the evolutionary change at play is that the NRC estimates the changing rules will save industry—not just power, but also medical and research applications—only about $9.5 million a year.

LNT and ALARA

There are two technical abbreviations at the center of US nuclear regulations. The first is LNT, which stands for "linear non-threshold." It's in reference to the issue of whether there's any level of radiation that is so low that it no longer produces harmful biological effects—the "threshold" in LNT. The "non-threshold" implies that it doesn't, and that's in keeping with biology, which has demonstrated that even single particles or photons of radiation can damage DNA and that the mechanisms cells have for repairing that damage are inherently error-prone. The "linear" in LNT simply describes how the impact of radiation scales directly with the dose.

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For as good as solar panels are at converting sunlight directly into usable electricity, especially for how cheap they’re becoming, they can still only gather around 20-30% of the energy that hits them. That’s fine if you have a large roof or a huge tract of land, but if you have limited space and need to do something like heat a home, there are better options available to capture more of that energy. [Greenhill Forge] has built five solar air heating panels to test this concept, and do it much more inexpensively than commercial options.

These solar heaters use sunlight to heat a fluid, in this case air, and move that heated fluid to another space. Each panel is about two square meters, insulated on all sides except the top, and configured in a way that air can flow past something that the sun has heated. The first panel, a control, does not use a glazing to help trap this heat, but the rest all have a polycarbonate window to increase the greenhouse effect of the panels. The four remaining all experiment with the way air flows around a black corrugated steel sheet to gather more of the heat, with the fifth panel using a set of black screen instead.

With the panels all set out in the sun, [Greenhill Forge] is using a set of thermocouples from a previous project to measure the efficiency of each panel. Surprisingly, he found that the panel using the layers of screen was the best at gathering energy, although he notes several times that these types of panels are extremely sensitive to changes in physical configuration, so this is not the most definitive test possible. However, at only around $100 per panel it’s quite a deal if the goal is a usable space heater that doesn’t use any fuel or grid electricity.

Crushed concrete from legacy nuclear facilities could play a far greater role in safely managing radioactive land than previously understood. 

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The U.S. Department of Energy’s Center for Used Fuel Research has selected Guidedwave and Sensible Photonics to advance to the final phase of a selection process to demonstrate acoustic emission technologies for automated monitoring of used nuclear fuel dry storage canisters.

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Manufacturing — not funding — is becoming the biggest hurdle to getting new technology into troops' hands faster.

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