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A Fusion Energy Breakthrough? Watch Live as US Scientists Make Major Announcement

A fusion reactor at Lawrence Livermore National Laboratory may have reached a critical milestone.

Scientists at Lawrence Livermore National Laboratory may have achieved a remarkable new high point for fusion reactions, generating even more energy than was pumped in during a recent experiment, according to a report by the Financial Times.

The publication suggests scientists «with knowledge of preliminary results from a recent experiment» have discussed the result and analysis is ongoing. A major announcement is scheduled to take place at LLNL on Tuesday, Dec. 13. It’s expected to be livestreamed by the Department of Energy at approximately 7 a.m. PT.

The National Ignition Facility operates an «inertial confinement fusion» experiment, which sees almost 200 lasers fired directly at a tiny capsule of hydrogen. According to Nathan Garland, a physicist at Griffith University in Australia, the lasers create a plasma around the capsule which eventually starts an implosion — these conditions allow for fusion reactions to take place.

Fusion is the reaction that powers our sun and it works by smashing two atoms together. This requires extreme pressure and extreme heat but trying to recreate the conditions in a lab is «super difficult,» noted Garland.

The energy released by fusing two atoms together is massive and, importantly, releases no carbon dioxide. Unlike fission — splitting atoms — used in nuclear power plants, fusion also leaves behind no radioactive waste and there’s no risk of meltdown, either. In short, if we could harness fusion power, it would revolutionize energy, allowing us to generate clean power without pumping greenhouse gases into the atmosphere.

If the FT report and chatter on social media is correct, scientists at LLNL could have achieved «fusion energy gain» which is denoted by the letter Q. In a fusion experiment, if Q > 1, then we’re on our way to a bona fide energy breakthrough, one that scientists have long been dreaming of reaching. «It is a big deal for sure, if true,» Garland said.

But, as with all science, it’s good to be cautious and not overhype results yet to be fully analyzed. We have been here before, after all. In 2013, reports swirled the NIF had achieved this exact feat. It wasn’t the case.

In more recent times, though, NIF has taken big strides toward achieving the goal. In August 2021, researchers reported they had, for a brief moment, re-created the power of the sun in a self-sustaining reaction. That’s a good pedigree and one that makes us here at CNET Science feel a little more confident in the rumors.

A spokesperson for LLNL told CNET «our analysis is still ongoing, so we’re unable to provide details or confirmation at this time» and provided a link to the media advisory — which, in all caps, suggests a «MAJOR SCIENTIFIC BREAKTHROUGH.»

The result won’t mean that we suddenly have an endless supply of energy. It’s likely the reaction that took place at NIF lasted for just a fraction of a second or even less. But this is the first step in a journey toward fusion energy as a viable, serious technology to power our world. It provides a proof of concept that fusion experiments like this can reach Q > 1.

So while I’m always cautious about throwing around the word «breakthrough» when reporting on cutting-edge science — especially in the realm of fusion energy — it does feel like it might be justified here. We’ll have to wait and see.

Updated Dec. 12: Changed sentence to «smashing two atoms together» rather than «heavy» atoms because hydrogen is, of course, a very light atom.

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We Played Nintendo Switch 2: Mario, Donkey Kong, Mouse, Camera and a Lot More

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Nintendo Switch 2: Every Reveal About the Console, New Games, Price, Release Date

The $450 console launches June 5, with Mario Kart World the highlight of its launch day game lineup.

The Nintendo Switch 2 console’s biggest reveal yet arrived Wednesday as part of the company’s latest Nintendo Direct event. This teed up a day of Switch 2 reveals that include its June 5 release date, a $450 price, its specs and its initial game lineup that extends from launch into 2026

The console will be further buoyed by having Mario Kart World as a launch title, which will go on sale in either a $500 bundle with the Switch 2 or on its own for $80 — making the open-world racing game one of Nintendo’s most expensive yet. Other games announced, such as Donkey Kong Bananza, are being priced around $70, which matches the cost of 2023’s The Legend of Zelda: Tears of the Kingdom. That Zelda game and Breath of the Wild are among the original Switch titles that will get enhanced Nintendo Switch 2 Edition upgrades, a premium upgrade allowing players to get new features, modes and graphical enhancements that take advantage of the newer system’s capabilities. 

Here are the top highlights from Nintendo’s console event, all of the games we’ve heard about so far (including new titles, Nintendo Switch 2 Editions and GameCube games coming to Nintendo Switch Online) and all of our coverage so far. You can also check out our Nintendo Switch 2 live blog for even more updates about the Switch 2 as we learn them. 

Nintendo Switch 2 console

The Nintendo Switch 2’s specs saw a noticeable technical bump over the Switch. The Nintendo Switch 2 has a 7.9-inch, 1080p resolution LCD that supports a 120Hz refresh rate — matching what we now see on most Android phones. When the Switch 2 is docked, compatible games can run in 4K resolution. The new dock also includes a cooling fan. 

The Switch 2 comes with 256GB of internal storage, and the new Switch 2 Game Cards will load games faster. For digital libraries, however, the Switch 2 will only work with microSD Express cards, which are different from the microSD cards that are compatible with the prior Nintendo Switch. Nintendo will have a Software Transfer feature available to help move games and data from the original Switch to the Switch 2.

The new Joy-Con for the controllers will support mouse controls, and a new C button will be part of a new GameChat communication feature that allows both voice and video chat. There’s also a Nintendo Switch 2 Camera, allowing players to see each other.

The Switch 2 also adds a second USB-C port to the top of the system, which Nintendo says can help connect its new camera accessory or charge the console when playing in tabletop mode. Nintendo also revealed a new Switch 2 Pro Controller with the C button and customizable GL and GR buttons on the back.

Following the presentation, Nintendo unveiled the system’s price of $450 in the US. It will also sell the Switch 2 bundled with a digital version of Mario Kart World for $500.

Mario Kart World

Mario Kart World removes its traditional boundaries and lets drivers roam freely across an entire world of race courses. The game will get its own Nintendo Direct later this month, where we’ll see additional details, but we already know it’ll include traditional races and a Free Roam mode, much like in the Forza Horizon series. 

Getting the game bundled for an extra $50 on the cost of the Switch 2 might be the move if you are interested in the game, because Nintendo announced on its website that standalone copies of Mario Kart World will cost $80

Joy-Con 2 C button and GameChat

Nintendo’s rolling out its new C button across several new Switch 2 controllers. The button will be used for the new GameChat communication features without a headset. The button will be used alongside a microphone on the console itself, which Nintendo says can be used whether it’s docked to a TV or in handheld mode. 

In its teaser video, Nintendo promises the microphone will be able to cancel out loud background noises. GameChat will also work with a Nintendo Switch 2 Camera, allowing video chat and various camera-based game modes in supported titles. GameChat will be free at launch through March 31, 2026.

Nintendo Switch 2 Edition games upgrade titles

The Nintendo Switch 2 will play three types of games: original Switch games, Switch 2 games and Switch 2 Edition games that will receive substantial enhancements. For many of these Switch 2 Edition games, you’ll need to buy an upgrade pack if you own the original for Switch. Many of them will get more than just enhanced graphics in the upgrade; for example, Super Mario Party Jamboree will get new games that support the new Joy-Cons’ mouse controls, audio recognition and video camera gameplay options through the Switch 2 Camera. 

Other Nintendo Switch games that are getting Switch 2 Edition options include The Legend of Zelda Breath of the Wild, The Legend of Zelda Tears of the Kingdom, Kirby and the Forgotten Land, Metroid Prime 4 Beyond and Pokemon Legends: Z-A. Enhancements vary: The Zelda games will start working with a companion phone app for maps and sending schematics to friends, while Kirby will get a new story that’s exclusive to the Switch 2 Edition. On the third-party side, Civilization 7 will get mouse controls.

Nintendo did not announce what upgrade packs will cost. However, some Switch games will get free updates that will improve performance or enhance features when playing them on the Switch 2. The Switch games getting these updates include:

Hyrule Warriors: Age of Imprisonment

Hyrule Warriors: Age of Imprisonment is a new game set in the world of Zelda that tells the story that leads into The Legend of Zelda: Tears of the Kingdom. This appears to be similar to how Hyrule Warriors: Age of Calamity told the story of a war that led to the events of Breath of the Wild. The teaser shows Zelda discovering that she’s arrived in the past of Hyrule, and the game will expand on how she gets involved in the corresponding Imprisonment War.

Nintendo Switch 2 games

Several other first- and third-party games were spotlighted during the Switch 2 Direct. These include Donkey Bananza, one of the first 3D platforming games featuring DK since 1999’s Donkey Kong 64. Kirby will also return to the racing genre in Kirby Air Riders, which comes more than 20 years after the GameCube racer Kirby’s Air Ride. DragXDrive will use mouse controls to control a futuristic wheelchair basketball game in which players will simulate push and pull motions to control their character.

An onslaught of Switch 2 third-party games were quickly shuffled through during the Direct, which I list below. An unnamed James Bond game is in development at Hitman studio IO Interactive, as is a darker title from Elden Ring creator FromSoftware called The Duskbloods, which will be exclusive to the Switch 2. 

The full list of announced Nintendo Switch 2 games includes:

  • Borderlands 4
  • Bravely Default Flying Fairy HD Remaster
  • Cyberpunk 2077: Ultimate Edition
  • Daemon X Machina: Titanic Scion
  • Deltarune
  • Donkey Kong Bananza
  • Drag x Drive
  • EA Sports FC
  • EA Sports Madden NFL
  • Elden Ring Tarnished Edition
  • Enter the Gungeon 2
  • Fast Fusion
  • Final Fantasy 7 Remake Intergrade
  • Fortnite
  • Hades 2
  • Hitman World of Assassination — Signature Edition
  • Hogwarts Legacy
  • Hollow Knight: Silksong
  • Hyrule Warriors: Age of Imprisonment
  • Kirby Air Riders
  • Kirby and the Forgotten Land — Nintendo Switch 2 Edition and Star-Crossed World
  • Kunitsu-Gai: Path of the Goddess
  • Mario Kart World
  • Metroid Prime 4: Beyond — Nintendo Switch 2 Edition
  • NBA 2K
  • Nintendo Switch 2 Welcome Tour
  • Nobunaga’s Ambition: Awakening Complete Edition
  • Pokemon Legends: Z-A — Nintendo Switch 2 Edition
  • Project 007
  • Puyo Puyo Tetris 2S
  • Rune Factory: Guardians of Azuma — Nintendo Switch 2 Edition
  • Sid Meier’s Civilization 7 — Nintendo Switch 2 Edition
  • Split Fiction
  • Star Wars Outlaws
  • Starseeker: Astroneer Expeditions
  • Street Fighter 6
  • Super Mario Party Jamboree — Nintendo Switch 2 Edition and Jamboree TV
  • Survival Kids
  • The Duskbloods
  • The Legend of Zelda: Breath of the Wild — Nintendo Switch 2 Edition
  • The Legend of Zelda: Tears of the Kingdom — Nintendo Switch 2 Edition
  • Tony Hawk’s Pro Skater 3 and 4
  • WWE 2K
  • Yakuza 0 Definitive Edition

Among these titles, you can see the full list of June 5 Switch 2 launch day games here.

Nintendo GameCube library coming to Switch 2

The Nintendo Switch Online game library will add GameCube games to the Switch 2. On launch day, these games will initially include The Legend of Zelda: The Wind Waker, SoulCalibur 2 and F-Zero GX, with each game getting enhanced graphics. Online multiplayer will also be added to certain titles. Super Mario Sunshine, Super Mario Strikers and Luigi’s Mansion are among the games set to arrive later. At launch, Nintendo will also sell a GameCube controller, which will be wireless and include a C button for GameChat.

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