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The upgrade path from Lion Server to Mountain Lion Server is slightly less automated: Mountain Lion will keep Lion's version of Server.app (which won't run in Mountain Lion), and you'll need to download the current version from the App Store separately. Happily, most of your Lion Server's settings remain intact (with the notable exception of File Sharing share points), and the settings from the last of the old Server Admin services seem to come over into Server.app without any issues, but it's odd that upgrading requires a manual download of Server.app when Apple is clearly able to provide it automatically. Once you've installed the Mountain Lion version of Server.app, the Lion version can be trashed; if the Server Admin Tools were present on your Lion computer, they are uninstalled automatically during the upgrade. … [Read more...] about Server, simplified: A power user’s guide to OS X Server

The composites Vickers showed (seen in the video above) will eventually make their way to the Orion modules. He noted that launch vehicles today are mostly aluminum, but NCAM and NASA have watched closely as composites emerged in other aircrafts, in the defense market, and now slowly into the space industry. Compared to Apollo modules, such composites will allow Orion to have a much lighter skeleton. So even though the Orion EM-2 crew module is expected to have a launch weight of 22,900lbm (compared to 12,392 lbm for the Apollo 8 CSM), much of that added mass comes from system redundancies that will better prepare the module for both deep space exploration and unforeseen troubleshooting. Those precautions wouldn't be possible without the work of NCAM bettering the module (to make no mention of the group's efforts focused on the engine components that can lift these increased weights). … [Read more...] about Meet NCAM, the researchers helping NASA go “to the Moon, to Mars, and beyond”

"I went out on the softer Dunlop compound and did that time and I matched it on the Q (qualifying tire) with one mistake," Beaubier explained. "I was pretty happy about that. The qualifying tire was pretty nuts. Normally when I go out I try to get warmed up on the warm-up lap, get a flow going and then attack. On the Q, you have to baby it on the warm-up lap and then attack. It's a one-lap thing. You can't overthink it. You just have to clear your mind and just go because it's really easy to make a mistake, and one mistake will just ruin five corners here." … [Read more...] about Two-wheeled domination: Yamaha’s YZF-R1 MotoAmerica racing bike

But why Ceres? Its average distance from Earth is comparable to that of Mars, Janhunen wrote, making travel relatively easy — but the dwarf planet also has a big elemental advantage. Ceres is rich in nitrogen, which would be crucial in developing the orbiting settlement's atmosphere, Janhunen said (Earth's atmosphere is roughly 79% nitrogen.) Rather than building a colony on the surface of the tiny world — Ceres has a radius roughly 1/13th that of Earth — settlers could utilize space elevators to transfer raw materials from the planet directly up to their orbiting habitats. … [Read more...] about Humans could move to this floating asteroid belt colony in the next 15 years, astrophysicist says

But an attacker doesn't need to necessarily perform hands-on brain surgery on every hard drive to get a persistent attack. The best way to deal with this is to use the same sort of tool hard drive manufacturers use to send out legitimate firmware updates to customers—with a software tool that uses vendor-specific ATA or SCSI commands to re-flash the drive controller's ROM. While these commands aren't exactly documented, they have been reverse engineered for open-source diagnostic tools. … [Read more...] about How hackers could attack hard drives to create a pervasive backdoor