Question by smarth: does windows phone need zune to connect it to pc like itunes for iphone? can we files system like in android or is it locked to zune like iphone is locked to itunes?

Best answer:

Answer by Cindyyeah, WP7 requires sync to a phone via Zune software, similar to iOS and Android. You can enable wireless sync over your internal network – just dock it within wifi range and you’re good to go.

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Question by William: How Java much do you need to know in order to start developing Android Apps? I am currently learning Java ( started 2 months ago) and I am wondering how much Java knowledge do you need to get in order to start developing Android Apps using Eclipse ? Do I need to give myself 6 months or maybe 1 year studying java before staring Android? Thanks for your suggestions.

Best answer:

Answer by BobDepends on what you are creating.

Eclipse is free, so I suggest is that you download it and see. If you know how to write the app and put it in a class/jar, you don’t have far to go.

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Question by anonymous: So i have a science fair in february but i need to start getting ideas, any help? I’m really into like engineering like robotics and aeronautics but im not sure on how i can get an experiment on it. I’m open for almost anything, as long as the experiment isn’t to elaborate.

Best answer:

Answer by Former MN Science Teacher –sDgThese science fair sites might help:

http://www.sciencebuddies.org/

http://www.usc.edu/CSSF/Resources/GettingStarted.html

http://www.all-science-fair-projects.com/category0.html

http://www.ipl.org/div/projectguide/

http://school.discoveryeducation.com/sciencefaircentral/

http://www.picadome.fcps.net/lab/sci_fair/science_fair.htm

http://www.scienceproject.com/

http://www.energyquest.ca.gov/projects/index.html

http://www.freesciencefairproject.com/

http://www.hometrainingtools.com/articles/acat_science-projects.html

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mophie-air-1 Short Version

Mophie caused a bit of a double-take by introducing not one but two rechargeable external battery cases for the iPhone 5 within a few days of each other. The Juice Pack Helium offers a sleeker body, but the Juice Pack Air, announced later, offers more stamina. I’ve been testing the latter for nearly a week now, and it lives up to Mophie’s good reputation, with a single trade-off that may or may not influence your buying decision.

Long Version Info
  • Battery size: 1,700 mAh
  • Available colors: black, white, and red
  • MSRP: $ 99.95
  • Dimensions: 2.60 in x 5.54 in x 0.63 in
  • Weight: 2.68 oz

The Juice Pack Air for iPhone 5 will look and feel familiar to owners of previous Mophie Juice Packs. It has a rubberized texture that makes the matte back extra grippy, a smooth black plastic band extending around the entire sides of the device, and a button on the back that lights up indicators showing how much battery is remaining. Some of the elements have shifted to make up for the new iPhone’s design: the battery indicator and activation switch are on the back, not the bottom, and the micro USB port is on the bottom surface where the Lightning port would be on an iPhone 5 without a case.

One of the few unfortunate changes caused by the iPhone 5′s redesign is the shift of the headphone port to the bottom, which is where the business end is on Mophie’s battery pack cases. That means that on this Juice Pack Air, there’s around a half-inch hole any headphones have to go through to get to the iPhone’s 3.5mm stereo port. Mophie includes an extension cable to make sure your headphones will work no matter their design, but it’s an extra bit to keep track of and potentially lose, and that’s never good.

Overall, the Juice Pack Air feels like a quality accessory, however, and all the pass-through switches and buttons work well. There’s even mesh on the front-facing speaker ports, which do enhance sound to my ear, and an appropriately wide opening on the back to accommodate the camera lens and flash without impeding mobile photography.

The Juice Pack Air claims to be able to provide around 8 more hours of 3G talk time and Internet use, 8 more hours of LTE browsing, 10 hours of Wi-Fi web, and up to 40 more hours of audio playback or 10 more hours of video. Mophie says that’s up to 100 percent the normal battery life of your iPhone 5. I happened to be able to test charging a dead iPhone 5 from a drained state with a fully-charged Juice Pack Air, however, and it only got the iPhone up to around 80 percent charge. Your mileage may vary, however, and 80 percent from a cold, dead battery that has lain empty for a while is still pretty impressive, and in everyday use I found it was as close to doubling my iPhone 5′s life as made no difference.

The Juice Pack Air gets warm while charging, but that’s nothing new and I mention it more to make new users aware than to cite it as an issue. New users should also note that the Air features pass-through charging via the supplied micro USB cable: You can plug it in overnight and the iPhone inside will charge first, with the case getting its fill afterwards. One thing missing in this version is pass-through syncing, however. That could be a problem for some, but I can’t remember the last time I’ve done a wired sync of an iOS device, so it doesn’t bother me.

The Juice Pack Air is a solid performer, which isn’t surprising, given its pedigree. It has the same general downsides as its predecessor (mostly that it adds bulk to the iPhone), and loses a few tricks. But most won’t miss the lack of pass-through syncing now that iPhones are much more autonomous devices than they were in the past. And the Air for iPhone 5 is slightly thinner than the version for iPhone 4/4S. If you need the extra power that a battery case provides, the Juice Pack Air remains the case to beat.

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Question by Words Of Wisdom: I need an idea about a microcontroller project? Something in the robotics domain. Simple but not too popular. I saw that the internet is full of line-follower robot and maze-solving robots. So I really don’t want the same very common project. So, any suggestions?

Best answer:

Answer by doug_donaghueHow about a robot that ‘searches’ for small, black pebbles on a white floor. When it ‘finds’ one, it picks it up and drops it into a container. A ‘house-cleaning’ robot.

Doug

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Need for speed carbon drift

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Question by Joseph: Do i need to have the Android tablet activated to download apps on it? I’m getting the Ematic eGlide with Wi-Fi 7″ Touchscreen Tablet PC Featuring Android 2.2 Operating System for the first time and i don’t want it connected so i’m wondering if it needs to be activated in order to download apps?

Best answer:

Answer by MeghanI’m not sure I understand your question. I just got an Android based tablet (Asus Transformer). In order to dowload apps, it has to be connected to the internet.

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Question by Mr. Flibbles: What mathematics and science would one need to know in order to become a robotics scientist.?

Best answer:

Answer by TessaMath all the way to Calculus. Physics, chemistry, electronics, statics and dynamics, thermodynamics, and computer firmware.

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dragon-pajamas.jpg

These are some $ 63 dragon pajamas. They’re pajamas with a dragon hood attached so you and your lover can play Save the Princess in the bedroom. Granted I’m not sure how the hell Save the Princess works when YOU’RE the one dressed as a dragon, but my guess is it involves another dude kicking the door down swinging a plastic sword. Me? I have a strict “Maximum Occupancy: 2″ rule in the bedroom. I have enough trouble knowing what I’m supposed to do with one other person, I can’t imagine the dynamic with three or more. There’d be butts and stuff everywhere. Who am I touching? Is this a wiener? This is a wiener isn’t it? It feels weird holding one that’s not my own. You know what? You all have fun, I think I’m just gonna go make a sandwich.

Hit the jump for two other designs that look more like dinosaurs even though they call them dragons. The couple in that last photo though — that’s what I want.

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