What is an airport swab test for?

A few times when I've been to an airport I get asked to give my iphone or psp etc to the man standing behind the scanner. What is this swab test for and why am I always chosen? My parents both have the same phone and they never get chosen. An answer from someone who's job it is to do this would be great.

Help My Iphone Screen Won't turn on?

The iphone i have is a iphone 4s and it is not cracked or has been droped in water for some reason i was just checking instagram and then the screen turned off and i at first tought it frooze but its been like 12 hrs and the phone still vibrates when i toggle the silent mode switch and i also know when someone is calling me because i can hear the ringtone. So it does everything like if it was normal exept that the screen won't turn on and i can't see anything.

I'm done so with my family thinking they can look down on me. What should I do?

I'm currently 17 years old - nearly turning 18. I'm the only one in my family excluding my parents that has never been kicked out of school, passes all my exams - my lowest grade being a B and I work hard for everything I do. Yet I still get grief when I come home.
When I was 16, I got a job as a teacher. Therefore once I was getting paid, I was no longer dependent on anyone at home. I paid for everything that own- I bought a mac laptop pro, iPad and iphone 5s. These were a few of the rewards I got for myself because I earned it.

Because I'm the second youngest every older siblings think they can look down at me and think I should obey everything they say as if they are my creator- and then everything that happens as a consequence I get blamed for.

1) recently, all my siblings were helping to clean up the house - I did too. But once I finished doing one chore and I had to go to an appointment. My older brother who is 25 and came that day to visit said I can't go anywhere without mopping the floor. I told him I had to be somewhere and he said if I left I would be on trouble. I left anyway and when I returned I could see my laptop charger was missing. He took it and now he expects me to apologise. I have nothing to say sorry for and therefore I ordered a new one.

When I start university in 2015, would it be a good idea to live on campus to escape home life? And
If I see him again, I know I will argue with him so what should I do?

What GPS tracking iphone apps (cycling and running) can be used without a 3G signal?

I have been using both endomondo and mapmyride for my running and cycling.
When I came to track my mountain biking neither of the apps would start a workout because I was out in the sticks with no network connection.
I wasn't expecting any live maps, but was expecting either one of the above to be able to track my coordinates by GPS, to be uploaded later.

Shame really because I like the apps.

Do they actually works without a network signal and I'm missing something?

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Westward Journey Hack, Cheats for Iphone?

Westward Journey game is just released and I'm looking any way to get Gems and Coins without paying. I'm looking Westward Journey Hack or Cheats for iPhone 5S. My device is non-jailbroken so I request everyone to please provide me working Westward Journey Hack or Cheats for my Device! I will be really grateful if somebody can provide me these cheats!

Can I do anything with a still active iPhone 5?

So my mom has a bit of a problem. She bought an iPhone 5s off of Craigalist today. Well she tries to activate it and it's still on the guy's account. So she didn't have his number because he was using the phone he sold her and Sprint couldnt so anything so she got a number out of the phone she bought and called someone who was apparently his sister. He finally called her back, freaking out, she tols him what was up and he said he wasn't gonna help her. Then he told her he called Sprint and it will be ddeactivated in a few days. Well it got turned off a few hours ago because of an unpaid bill. Sprint won't talk to her, I'm not sure if the police will do anything, he won't answer her anymore. Is there anything we can do? She spent $320 on this phone and it seems like it might end up being a paperweight. Would unlocking it do anything?

How to remove updates in App Store?

I have a iPhone 5. In the App Store under 'Updates' is a list of apps that have already been updated; how do I remove or hide these apps showing in there?