Running out of battery is annoying. We all recognize that familiar warning beep that tells us something electronic is about to die — or worse, you don’t discover the battery has died until you attempt to use the device it once powered. Whether you always forget to charge up before your daily commute, or you’re simply planning a longer trip away from civilization, below are some handy ways to keep your devices powered up.
Next Page: Seven more of the best gadgets to keep you charged on the go
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The study, led by researchers in Brazil including Victor H. O. Otani from the Santa Casa de São Paulo School of Medical Sciences, found that their AI could identify depression in female participants with 91.9% accuracy. All the AI needed was a simple recording of the person describing how their week went.
Talk to AI every day? New research says it might signal depression
This finding comes from a national survey of nearly 21,000 U.S. adults conducted in 2025, where participants detailed how often they interacted with generative AI tools and completed standard mental health questionnaires. Within that group, about 10% said they used AI daily, and 5% said they engaged with chatbots multiple times throughout the day. Those daily users showed higher rates of reported depressive symptoms and other negative emotional effects, such as anxiety and irritability.
You might actually be able to buy a Tesla robot in 2027
The comments follow a series of years-long development milestones. Optimus, which was originally unveiled as the Tesla Bot in 2021, has undergone multiple prototype iterations and has already been pressed into service handling simple tasks in Tesla factories. According to Musk, those internal deployments will expand in complexity later this year, helping prepare the robotics platform for broader use.