Four months after the first release of Android 5.0 Lollipop , Google has followed up with a second version: Android 5.1. The speedy turnaround time compared to Android 5.0 (which appeared a year after 4.4) means that there aren’t many large-scale changes to look at—but the release does feature numerous little improvements and tweaks. It’s faster! (on the Nexus 6, at least) Ron Amadeo 5.1 brings much faster random read and write speeds to the Nexus 6, and the Nexus 5 improves a little, too. 3 more images in gallery 5.1 seems to have eliminated many of the performance issues with the Nexus 6. When we initially reviewed the device, the Nexus 6 was slower at loading apps and switching tasks than the older Nexus 5 had been. With 5.1, the newer phone feels much snappier; with non-game apps, it can now keep pace with the Nexus 5. On benchmarks, we’re seeing much higher random read and write scores on the Nexus 6 with 5.1; random read gets a 2x speed boost, while random write is a whopping 9x faster. The same dramatic speed boosts aren’t present on the Nexus 5, and we suspect the difference is that the Nexus 6 is encrypted while the Nexus 5 is not. According to Francisco Franco , a longtime third-party Android kernel developer, Google is now using NEON instructions on the Nexus 6 to speed up encryption performance. Performance could be further improved by enabling hardware-accelerated encryption, which the Nexus 6 still doesn’t use, but Google has been experimenting with the feature in the Android Open Source Project. Read 7 remaining paragraphs | Comments
Rarely a week passes without the report of a new battery technology , but most appear destined to remain within the lab for years. Now, though, a start-up called Sakti3 has a li-on battery that lasts twice as long as most—and $15 million of support from Dyson to make it a reality. Read more…
Hitachi Global Storage Technologies—aka HGST, aka a subsidiary of Western Digital—was recently showing off its gigantic new 10TB hard drive at the Linux Foundation Vault tradeshow in Boston. But unfortunately you won’t be packing 10, 000 gigabytes into your laptop anytime soon because the drive is designed for use in servers, and mostly because it requires special software to work. Read more…
The changing color of a chameleon’s body is an impressive sight—but how it happens has long been a significant scientific question without a compelling answer. Now, researchers have finally identified a thin layer of deformable nanocyrstals in their skin which gives rise the phenomenon. Read more…