The Air Force formally opened a multibillion-dollar contest to replace the F-22 Raptor fighter jet that’s likely to

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A next-generation energy storage system made of cement and an ancient ink has the potential to massively scale-up renewable energy operations by transforming homes and roads into giant batteries, according to the scientists who invented it. A team from the Massachusetts Institute of Technology (MIT) and the Wyss Institute in the US unveiled the design on Monday, claiming that supercapacitors made of this material have “great potential” to assist in the world’s transition to clean energy. “The material is fascinating because you have the most-used man made material in the world, cement, that is combined with carbon black, that is a well-known historical material – the Dead Sea Scrolls were written with it,” said MIT professor Admir Masic, who was involved in the research. “You have these at least two-millennia-old materials that when you combine them in a specific manner you come up with a conductive nanocomposite, and that’s when things get really interesting.” The concrete mix of cement and carbon black only requires water, making it a low-cost alternative to other energy storage systems being developed to allow energy networks to remain stable despite fluctuations to renewable energy sources like solar, wind and tidal power. The researchers say their supercapacitor could be used in the concrete foundations of a house to provide an entire day’s worth of energy without adding any additional construction costs. It could even eventually be used on concrete roadways to provide contactless recharging for electric cars as they travel. “There is a huge need for big energy storage,” said MIT professor Franz-Josef Ulm. “That’s where our technology is extremely promising, because cement is ubiquitous... [It] offers a new way of looking toward the future of concrete as part of the energy transition.” Early applications will likely be with isolated homes or buildings equipped with solar panels that do not have access to grid power. The concrete mixture can also be adjusted to serve other uses, the scientists noted, such as heating systems. A paper detailing the research, titled ‘Cement supercapacitors as a scalable energy storage solution’, was published in the journal Proceedings of the National Academy of Sciences on Monday. Read More Hundreds of years after it was discovered, one material is about to change the world Battery breakthroughs are about to trigger a transport revolution

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Microsoft is killing off WordPad, its decades-old text editor in Windows. The company will no longer update the software. It will then remove it from a future version of Windows. WordPad has been around since Windows 95. It has stood somewhere between Word, its more fully-featured text editor, and the simplicity of Notepad. “WordPad is no longer being updated and will be removed in a future release of Windows,” Microsoft wrote in a support note. “We recommend Microsoft Word for rich text documents like .doc and .rtf and Windows Notepad for plain text documents like .txt.” WordPad has always been offered for free, in contrast to Microsoft Word, which requires the payment of a fee or subscription. But it lacked many features of Word such as a spellchecker, too, and is unable to save into some key formats. The support note did not explain why it would be removing the software. It added to a page of deprecated software that notes that “new versions [of Windows] also remove features and functionality, often because they’ve added a newer option”. Microsoft’s announcement came soon after it released new updates for Notepad, which also comes free but does not offer the same formatting or features as WordPad or Word. It will be getting autosave and other new features, after the recent addition of dark mode and other changes. As well as coming under competition from its more full-featured and more simplistic siblings, other third-party options such as Google Docs also offer many of the same tools – and much more besides. WordPad on the other hand has been barely touched in years. It was last updated with Windows 8, more than ten years ago, and even then received only a small redesign. Read More Microsoft makes big changes to takeover of Activision Blizzard SpaceX smashes rocket launch record as Musk eyes historic Starship mission Vodafone users say they can’t call people

The Indian government's forthcoming tax on the industry doesn't apply to all types of games.