USB Power Delivery: Every mobile phone has a charging cable that uses USB—even the Lightning cables for Apple’s iPhones have a USB connection on the other end. USB 2.0, which has been a common specification for two decades, has a maximum power output of 2.5W. Because there’s a requirement for USB ports to deliver more power, the USB-PD standard was created. USB-PD has a maximum output of 100W and is used for a wide array of devices, including most flagship mobile phones. All USB 4 devices will include USB-PD technology, which will hopefully help standardize this. Qualcomm Quick Charge: Qualcomm is the most widely used chipset for flagship Android devices, and their latest processors have built-in compatibility with their proprietary Quick Charge standard. The newest Quick Charge 4+ has a max power output of 100W. Samsung Adaptive Fast Charging: This standard is used by Samsung devices, particularly their Galaxy line. This standard has a maximum power … [Read more...] about What Is Fast Charging, and How Does It Work?
Xfinity widespread outage
The board of trustees doesn’t mention that controversy, saying only that the vote “formalizes years’ of longstanding efforts by individual volunteers, Wikimedia affiliates, Foundation staff, and others to stop harassment and promote inclusivity on Wikimedia projects.” But on a discussion page, one editor cited the suspension to argue that the Wikimedia Foundation shouldn’t interfere with Wikipedia’s community moderation — while others said a formal code of conduct would have reduced the widespread confusion and hostility around it. … [Read more...] about Wikimedia is writing new policies to fight Wikipedia harassment
April 2020 was the 2nd warmest April on record globally, but a southward meander of the jet stream over Canada and the eastern US made this region of North America the exception. For the contiguous US, April was slightly below the average going back to 1895. Precipitation was similarly just below average, but a few states including Colorado and Nebraska had an extremely dry April, while the Virginias and Georgia were extremely wet. … [Read more...] about Here’s NOAA’s outlook for US summer weather—and hurricane season