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Graphics

A Skeptical Comparison of HTML5 Video Playback To Flash 391

Posted by timothy
from the always-a-naysayer dept.
gollum123 writes "Think we'd all be better off if HTML5 could somehow instantly replace Flash overnight? Not necessarily, according to a set of comparisons from Jan Ozer of the Streaming Learning Center website, which found that while HTML5 did come out ahead in many respects, it wasn't exactly a clear winner. They did find that HTML5 clearly performed better than Flash 10 or 10.1 in Safari on a Mac, although the differences were less clear cut in Google Chrome or Firefox. On the other hand, Flash more than held its own on Windows, and Flash Player 10.1 was actually 58% more efficient than HTML5 in Google Chrome on the Windows system tested. As you may have deduced, one of the big factors accounting for that discrepancy is that Flash is able to take advantage of GPU hardware acceleration in Windows, while Adobe is effectively cut out of the loop on Mac." gollum123 also links to additional tests indicating that Flash "does not perform consistently worse on Mac than on Windows."
Bug

Woz Cites "Scary" Prius Acceleration Software Problem 749

Posted by Soulskill
from the bad-news-for-half-of-california dept.
theodp writes "Speaking at Discovery Forum 2010, Apple co-founder Steve Wozniak went off topic and spoke about a 'very scary' problem with his 2010 Toyota Prius. 'I don't get upset and teed off at things in life, except computers that don't work right,' said Woz, who went on to explain he'd been trying to get through to Toyota and the National Highway Transportation Safety Administration for three months, but could not get anyone to explore an alleged software-related acceleration problem. 'I have a new model that didn't get recalled,' Steve said. 'This new model has an accelerator that goes wild but only under certain conditions of cruise control. And I can repeat it over and over and over again — safely.' Toyota said it investigates all complaints. 'We're in the business of investigating complaints, assessing problems and finding remedies,' said Toyota's John Hanson. 'After man-years of exhaustive testing we have not found any evidence of an electronic [software] problem that would have led to unwanted acceleration.'" We recently discussed other problems Toyota has had with electronic acceleration systems.
PHP

Facebook Rewrites PHP Runtime For Speed 295

Posted by timothy
from the if-not-this-then-something-else dept.
VonGuard writes "Facebook has gotten fed up with the speed of PHP. The company has been working on a skunkworks project to rewrite the PHP runtime, and on Tuesday of this week, they will be announcing the availability of their new PHP runtime as an open source project. The rumor around this began last week when the Facebook team invited some of the core PHP contributors to their campus to discuss some new open source project. I've written up everything I know about this story on the SD Times Blog."
Space

Astronomers Discover the Coolest Known Sub-Stellar Body 60

Posted by Soulskill
from the miles-davis's-home-planet dept.
Hugh Pickens writes "Science Daily reports that using the United Kingdom Infrared Telescope (UKIRT) in Hawaii, astronomers have discovered what may be the coolest sub-stellar body ever found outside our own solar system. Too small to be stars and with insufficient mass to maintain hydrogen-burning nuclear fusion reactions in their cores, 'brown dwarfs' have masses smaller than stars but larger than gas giant planets like Jupiter, with an upper limit in between 75 and 80 Jupiter masses. 'This looks like the fourth time in three years that the UKIRT has made a record breaking discovery of the coolest known brown dwarf, with an estimated temperature not far above 200 degrees Celsius,' says Dr. Philip Lucas at the University of Hertfordshire. Due to their low temperature these objects are very faint in visible light, and are detected by their glow at infrared wavelengths. The object known as SDSS1416+13B is in a wide orbit around a somewhat brighter and warmer brown dwarf, SDSS1416+13A, and the pair is located between 15 and 50 light years from the solar system, which is quite close in astronomical terms."

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