Posts Tagged ‘Reaction’
Unbox that shiny new iPhone 5 only to find it ruined with scratches and blemishes? Great news: Apple is asking Foxconn to adhere to stricter quality demands for its crown jewel handset. Not so great news: employees at the firm’s Zhengzhou factory are striking over the demands. According to China Labor Watch, 3 to 4 thousand workers stepped off the production line to protest the new requirements, which just enable a 0.02 mm look problem. “it’s difficult under such strict quality demands,” composes Sina Weibo user and Foxconn worker Yefudao. “A 0.02 mm look problem is currently beyond that of our vision. With such a requiring task, worker mental pressure becomes so immense that they have to vent it.”
China Labor Watch states that the problem stems not just from the greater quality needs, but the reality that employees are being asked to fulfill them without receiving the exercise needed to do so. The circumstance hasn’t broken out into a riot, but a dispute between line workers and quality control inspectors apparently sparked a battle that led to residential property damages, injury and some hospitalization. Production lines have actually briefly been frozen by management while Foxconn deals with the scenario.
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Question by Alexis: chemistry reaction problem?? about mass? please help! thanks!?
An experiment that led to the formation of the new field of organic chemistry involved the synthesis of urea, CN2H4O, by the controlled reaction of ammonia and carbon dioxide.
2 NH3(g) + CO2(g) CN2H4O(s) + H2O(l)
What is the mass of urea when ammonia is reacted with 100. g of carbon dioxide?
Answer by jreut
Use dimensional analysis and stoichiometry:
100 g CO2 x 1 mole CO2 / 44 g CO2 x 1 mol urea / 1 mole CO2 x 60 g urea / 1 mole urea =
100/44*60= 136. grams of urea produced.
The first term, 100 g CO2, is your starting amount.
The second fraction, 1 mol CO2 / 44 g CO2, is a conversion factor that equals 1, since there are 44 g CO2 in a mole of CO2.
The third fraction is the stoichiometric ratio in the chemical equation: for every one mole of CO2 consumed, 1 mol of urea is formed.
The fourth fraction is the conversion factor back to grams.
Add your own answer in the comments!
For those that follow the twists and turns of the technology news business, the Microsoft Courier has practically become the stuff of legend. First leaked on Gizmodo in the fall of 2009, the device was never even officially confirmed by Microsoft until it axed the project in April of last year. And while we wound up learning quite a bit about the dual-screen tablet despite that lack of official information, we never really got the full story of its rise and fall within the company. Now CNET’s Jay Greene has published an extensive look at the device’s short history, which he says was “pieced together through interviews with 18 current and former Microsoft executives, as well as contractors and partners who worked on the project.” The story, as you might expect, is fascinating — read on for some of the details.
Neuroscientists in UK carried out an extensive research on Apple fans and discovered that their brains are stimulated by Apple imagery in the same way as the brains of religious people are stimulated by religious imagery. The study was featured in BBC documentary “Secrets of the Superbrands“, which looks at how Apple, Facebook and Twitter [...]
Tron Legacy pops up in your local movie theater today, and the question on everyone’s mind is: is it rubbish? If you ask the critics, then yeah: it’s really not that that good at all. Shock. But when was the last time â€œthe criticsâ€ saw eye-to-eye with the American people? Give Joe Public some cool special effects and you’re easily making $ 100 million.
Associated Press: While director Joseph Kosinski’s feature film debut is thrilling and cool-looking for about the first half, its races, games and visuals eventually grow repetitive, which only draws attention to how flimsy and preposterous the script is from Edward Kitsis and Adam Horowitzâ€¦
Dallas Morning News: That’s all the movie has going for it [the special effects], and in just about every other way a movie can fail, Tron: Legacy doesâ€¦
Daily Mail: Overblown, overlong and an utter waste of money and time, it is a super-catastrophic Disney folly aimed at sad geeksâ€¦
Chicago Sun Times (Roger Ebert): The plot is another matter. Itâ€™s a catastrophe, short-changing the characters and befuddling the audience. No doubt an online guru will produce a synopsis of everything that happens, but this isnâ€™t like an opera, where you can peek at the program notesâ€¦.
Slashfilm (G-Baby from Ron & Fez): To describe any film as â€œa roller coasterâ€ is a complete cliche, but TRON: Legacy is almost begging for it. Director Joseph Kosinski, whether he knows it or not, has constructed the film as such: Thereâ€™s the quick build at the beginning, a whole bunch of action at the front, a lull in the middle and an exciting twisty, turny finish. But, like a roller coaster, the slow parts are forgivable because the ride is so much fun and thatâ€™s what TRON: Legacy is, one of the most fun films of the yearâ€¦
IGN Movies: What viewers will get, regardless of their relationship with the 1982 film, is a thrilling, moving 3D adventure that will leave you wanting moreâ€¦
AV Club: The original Tron was by no means perfectâ€”it was barely adequate, for that matterâ€”but it nonetheless had a sense of fun and adventure, turning on the adolescent fantasy of arcade junkies being inside the games they play. Director Joseph Kosinski teases the audience with updated light-cycle and discus-game showdowns, but itâ€™s only an homage; his Tron pretends to greatness in ways that snuff out any flickers of joyâ€¦
Screen Junkies: Tron Legacy is great because of the story, not the effects or style. It is full of pretty ladies, impressive physical specimens and wild characters. I love Quorra (Olivia Wilde) the happy program, and all the quirks Castor (Michael Sheen) lets loose just because he can. This is a world youâ€™ll want to revisit again and againâ€¦
Ladies. If you forced your man to see ‘For Colored Girls’, or any Tyler Perry movie for that matter, you’re required to go see Tron Legacy.
IMAX 3D is awesome every time. The 3D is at least 2x as good and Tron shakes the floor in the booth and rattles the trash cans in the hall.
I don’t think I’m gonna have time to ramble about TRON: LEGACY anytime soon, so I’ll just say I dug the fuckin’ flick. Imax 3D that shit.
If you want to get your eyes a Christmas gift, take them to see TRON Legacy. You shall be blown away by the visual splendour.
Lastly, TechCrunch itself reviewed the movie two weeks ago:
One of the members of the TRON team said not to over analyze it and get lost in the world, and thatâ€™s my advice as well. Try to become a child again and imagine being a 5-10 year old and being blown away by the light cycle races. Imagine whatâ€™s ticking in their mind and what seeds are being planted.
So, again, mixed reviews. Some people are geeking out over it, which is their right, particularly if they saw and enjoyed the first film, while others wince at the idea of being told by the film’s producers not to â€œanalyzeâ€ it. That doesn’t exactly inspire confidence.
But, if you like shiny colors!
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My boys, 14 and 17, belong to a book club whose tastes run heavily towards science fiction. You could almost call it a mother-son book club, since at least one mom (the facilitator, who studied at RPI) and often one or two of the rest of us (including a former chemistry professor) read the book and join in. Which is how I came to read Cory Doctorowâ€™s just-released YA novel, For the Win. Actually, I didnâ€™t read it in time for the book club meeting, because the boys had to share the copy we bought and it was still too new to be in at the library. And in fact, if I were going by their reaction I probably would have skipped it, because their reaction was lukewarm at best. It was the enthusiasm of Terry, the group facilitator, that really inspired me to pick the book up and read it myself.
For the Win (Tor Teen) tells the interlocking stories of teen online gamers who play for pay. These “gold farmers” travel the virtual worlds of the most popular in gangs called guilds, defeating opponents (whether computer-generated or controlled by other players) to win prizes which are sold in the real world for real money. But the Indian, Chinese and Southeast Asian cafes in which these kids play are in reality sweatshops run by adults. And like owners going back to the dawn of time, exploit their workers for their own gain. However, the young gladiators use their fighting and organizational skills to unite against the bosses, pitting teenage ingenuity and bravado against brutal small-time hoodlums. At the same time, they must dodge the wrath of the giant multinational corporations (including, interestingly, Coca-Cola) who own the games themselves and resent the money drained from their worlds by the roving gangs of soldiers-for-hire.
Now I am not a gamer, and the world(s) described in Doctorowâ€™s novel are completely foreign to me. But as Terry described it, For the Win was a great introduction to global economics. As she pointed out, Doctorow does a really good job of explaining our current financial mess using the buying, trading and speculating of virtual treasure as an example. And he manages to slip in a history of the labor movement through the Webblies, a union of gold farmers named in homage to the Wobblies. In fact, For the Win is overflowing with details Doctorow culled from several years of research into the online computer game community and the money dealings behind the games. Itâ€™s possible, as I did, to read it solely to learn about this little-understood world, as well as Doctorowâ€™s own view of how things should be. In that way, For the Win makes a nice counterpart to that other economic screed disguised as a novel, Atlas Shrugged (although of course one is sympathetic to the workers and the other to the bosses).
Although Terry would disagree, itâ€™s as a story that For the Win falls short. Unlike Little Brother, Doctorowâ€™s popular teen takeoff on 1984, For the Win encompasses many settings and a huge roster of characters. Doctorow manages to make many of them likable and interesting, particularly Wei-Dong Goldberg (given name: Leonard), a disaffected slacker from California; Mala, also known as General Robotwallah, who commands a gold-farming guild in the poorest Indian slum; and Jie, the Chinese host of an underground call-in show which caters to millions of lonely factory girls. But milling about the book are hordes of lesser characters who pop in for a scene or two and then disappear, overloading the readerâ€™s circuits.
And although For the Win describes a near-future world (Doctorow has said that “good science fiction predicts the present”), it is as much YA as SF. That means a lot of gritty depressing realism. For some sensitive readers, that can be hard to take.Â Still, Iâ€™d recommend For the Win to teens and adults who donâ€™t mind getting a little education tucked into their fiction.
iPhone 4.0 SDK Flash Lockdown and the Blogosphere’s Reaction
Ouch. Looks like writing apps in Flash is verboten, according to the latest iPhone OS 4.0 SDK legal language. CS5 and other cross-compilers could be dead in the water.