The $17.4 billion Grayscale Bitcoin Trust rallied the most since July 2021 after a US court ruling potentially

Andrew Tate challenges Adin Ross to a game of Super Smash Bros in Romania, with the winner receiving $10,000 for each game

A battery breakthrough made by researchers in Japan could pave the way for next-generation batteries to finally enter mass production. A team from Tokyo University of Science discovered a way to build sodium-ion batteries with an equivalent performance to conventional lithium-ion batteries. Lithium-ion, or li-ion, batteries are found in everything from electric cars to smartphones, however they are made from difficult-to-extract and expensive resources, while also containing liquid electrolytes that are toxic and flammable. By contrast, sodium-ion batteries are cheaper, offer stability against extreme temperatures, and pose no risk of overheating. Until now, their main limitation has been a lower energy density compared to li-ion batteries. To overcome this limitation, the scientists developed a high-capacity electrode made from nanostructured hard carbon, which they were able to optimise and then incorporate into an actual battery. The researchers said the new electrodes deliver “unprecedented performance” and offer a viable option for producing next-generation batteries for consumer electronics and electric vehicles. “This value is equivalent to the energy density of certain types of currently commercialised lithium-ion batteries... and is more than 1.6 times the energy density of the first sodium-ion batteries, which our laboratory reported back in 2011,” said Professor Shinichi Komaba from Tokyo University of Science. The breakthrough could also make sodium-ion batteries viable for other practical applications, such as low carbon footprint energy storage systems for solar and wind farms. The research was detailed in a study, titled ‘New template synthesis of anomalously large capacity hard carbon for Na- and K-ion batteries’, published in the journal Advanced Energy Materials. Read More Breakthrough solar system outperforms military-grade diesel generator

The Biden administration needs to toughen trade enforcement to guard against unfair competition from Chinese solar suppliers as

Netflix has got rid of its ‘Basic’ plan, the cheapest option to watch without ads. Until recently, Netflix had the option to pay £6.99 or $6.99 for its cheapest normal tier, which came with some restrictions including watching only in HD and on one device at a time. The company had already axed a similar offering in Canada. And now it has removed the option to join that plan in the US and UK. Instead, users will have to choose between watching with ads – which costs $6.99 in the US, or £4.99 in the UK – or paying the much higher price of $15.49 or £10.99 for the “standard” plan. People who already subscribed to the basic plan will be allowed to stay on it, so long as they make no changes to their subscription. But the offering will no longer be available to new users. Netflix had already hidden the option behind a button on its website, and had seemed to discourage people from taking it up. In an earnings call this week, in which Netflix also announcing surging subscription growth that suggests its crackdown on password sharing is working, the company’s co-CEO Greg Peters said that it was looking to “optimise” its plan structure. He said that the company wants “to give consumers access across a wide range”, and pointed to the lower “entry prices” on offer to customers. Those customers must watch ads if they wish to opt for the lower prices, however. Read More Netflix’s password sharing crackdown is going much better than people expected Stolen ChatGPT accounts for sale on the dark web Geothermal breakthrough uses oil drilling tech to tap renewable energy

Marzia Kjellberg, who has been married to PewDiePie for four years, recently shared family photos

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TikTok is killing off an in-app feature that was a close copy of the social media platform BeReal

A top European Union official is touring Silicon Valley this week and reminding tech platforms including Twitter and Facebook-parent Meta about their content moderation obligations, just weeks ahead of a deadline to comply with sweeping new EU laws that will apply to large social media platforms.

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By Jody Godoy and Luc Cohen NEW YORK Sam Bankman-Fried is set to go on trial on charges