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Drexel University researchers have developed a system for optimizing weight, battery capacity and heat management of electric vehicles. Credit: Drexel University Packing enough energy into a battery to power a car is putting a lot of pressure on the storage devices that, for the last century or so, have mainly been tasked with running small appliances and electronics. The stress is getting to them—manifested in malfunctions,…

Credit: Pixabay/CC0 Public Domain Most employees in the U.S. with certain retirement accounts may be surprised when they open their next quarterly statements—and not just because of recent turmoil in financial markets, according to a paper from a University of Illinois Urbana-Champaign expert on U.S. tax policy and retirement issues.…

—Melissa Heikkilä This is the first image of the black hole at the center of our galaxy EHT COLLABORATION It might not look like much, but this blurry orange-and-black picture is the supermassive black hole at the heart of our Milky Way galaxy, which has been pictured for the first time. Although the black hole itself, known as Sagittarius A*, is entirely dark, it’s encircled by a bright ring of glowing gas that’s been warped by its own gravity. It was captured by the Event Horizon Telescope Collaboration, the same…

Social media companies including Facebook, Twitter, YouTube and TikTok must act now to blunt the effect of false information - including Donald Trump's "Big Lie" that his 2020 defeat was the result of fraud - in this year's US midterm congressional elections, rights groups said on Thursday.Social media platforms backed away from policies designed to fight election disinformation after the 2020 presidential race won by US Democratic President Joe Biden, more than 100 advocacy groups, led by Common Cause, said in a letter…

Actress Amber Heard thought it was "a joke" when Hollywood star Johnny Depp reportedly slapped her for the first time when she asked about one of his tattoos. Heard is being sued for defamation by her ex-husband Depp over a 2018 op-ed she wrote about being a victim of domestic abuse and she took the stand at Fairfax County Circuit Court for the first time in the trial, when she recalled how the `Pirates of the Caribbean` allegedly got violent after she questioned him about the `Wino Forever` tattoo he has on his arm,…

It’s an unfortunate truth that many important chemical reactions require rare and expensive metals as catalysts. But now, scientists have developed a device that actively tweaks plain old aluminum to make it behave like other metals on the fly.Platinum, palladium, rhodium and other metals are key drivers of reactions used to manufacture materials and chemicals in many industries. The problem of course is that these metals are hard to come by and as such can get very expensive, which drives up the cost of manufacturing…

A few years ago, YouTube added Live Redirects as a way for creators to hold livestreams that ended by pointing viewers to another video on their own channel for premiere events, like BTS engaging fans before showing off a new music video. Now it has adjusted Live Redirects so that live streamers on the service can bounce their audience to another livestream when they go offline. A premiere launch event for the film Top Gun: Maverick on Wednesday will be one of the first big events to take advantage of the new addition.…

HP refreshed its Envy line of premium Windows Ultrabooks back in August and the Envy 14, which we have with us today, is one of the fully loaded variants. Available in both 14-inch and 15-inch screen sizes, the new Envy series promises powerful performance in premium and highly portable bodies. The 2021 refresh gets Intel's 11th gen Core CPUs and a tweaked design, making it a good contender against rivals such as Dell's XPS series. The pricing of the HP Envy 14 also puts it in Apple's MacBook Pro (M1) territory.It's time…

ACT Fibernet has a new offer to provide additional speed benefits to all customers through November. Under the new offer, the Bengaluru-based Internet Service Provider (ISP) is providing speed upgrades of up to 500Mbps to its broadband users for free. Customers can avail the benefit of the speed upgrade directly through the ACT Fibernet app. The company offers a variety of plans for its optical fibre-based broadband service in cities including Ahmedabad, Bengaluru, Chennai, Delhi, and Hyderabad, among others.To inform…