Welcome to your ultimate radiology resouce


dr-razz.com keyword stats



Most current MSN search phrases:

x ray images+picture  

X-Rays, Film & Videotape: Get Your Media Through Airport Security Unscathed

Could these new, enhanced devices erase yourthrough scanning systems similar to those
data or are you just wringing your hands overused for checked baggage. Can these X-ray
nothing? While erasure is highly unlikely,systems cause data loss? Almost certainly
there are reasons to be cautious,not. To understand why, you need to
particularly if you are transporting olderunderstand how magnetic media is
tape formats or floppy discs.Check It In orrecorded.Data is written onto tape and discs
Carry  It  On?by arranging metallic particles with a
powerful magnetic field. For tapes, magnetic
According to new guidelines issued by theenergy is delivered by a recording head that
Transportation Security Administration, orcomes into direct contact with the tape. For
TSA, 100% of all checked bags must bediscs, the record head floats just above the
screened before being loaded.During thesurface. Both methods deliver a great deal of
screening process, checked bags may gomagnetic energy in close proximity to a
through as many as three types of scanners,tightly confined area.To scramble your
including X-ray, and two different types ofcarefully arranged magnetic particles from a
explosive detection systems. Still, it isdistance takes a tremendous amount of
doubtful that these systems will have amagnetic energy. How much energy depends on
negative impact on magnetically recordedthe distance and the coercivity of the media
media. In fact, the TSA says, "None of the-- the magnetic force required to "coerce" it
screening equipment...will affect digitalinto zero magnetism.Floppy discs have a very
camera images or film that has already beenlow coercivity rating. In other words, it
processed, slides, videos, photo compactdoesn't take much magnetic energy to scramble
discs, or picture discs."But the main concernthem. Ditto for non-metal audio cassettes.
for media in checked bags isn't electronicOlder videotape formats based on metal oxide
damage - it's physical loss. Airportlike 3/4 inch, VHS, and 8mm also have low
personnel have the authority (and the duty)coercivity ratings.At the opposite end of the
to open and inspect any suspicious bag,scale are modern tape formats using pure
including any bag that is locked. (HINT:metal particles or pure evaporated metal
Leave your bags unlocked or use a TSAformulations. These tapes, which include
recognized locking mechanism.)With your bagsDVCAM, MiniDV, Hi8, and Betacam SP, have very
out of your control, the risk of damage,high coercivity ratings and are the most
loss, or even theft is greatly increased.resistant to erasure.Obviously, X-rays are
Therefore, you should always carry on yournot magnetic and won't cause problems
tapes, discs, cameras, laptops and any otherthemselves. There has been some conjecture
valuable or irreplaceable item. The TSAthat magnetic energy created as a byproduct
states that the "air carrier has no liabilityof producing X-rays and even conveyor belt
for photographic equipment, computers, VCRsmotors might give some cause for concern.
and any other electronic equipment includingHowever, damage from these sources has not
software or components...TSA HIGHLYbeen well documented.Direct sources of
recommends that you do not pack these itemsmagnetic energy come from the walk-thru metal
in your checked baggage."But even if youdetectors and handheld wands. While it is
carry on these items, there are still dangersdoubtful that either of these devices would
lurking. Your laptop and video camera must because problems, some handheld wands, in
removed from their carrying cases and placedtheory, do generate enough magnetic energy to
in one of the TSA bins for security scanningcorrupt data on low-coercivity formats. This
-- down the belt, through the machine, andis only a theoretical possibility, however.
out the other side where everyone else isPractically speaking, security officials
waiting on their belongings.Tips from thewon't allow you to walk through the metal
TSA* Transporting Film and Photographicdetector with metal, and that includes
Equipment* Security Checkpoint Procedures*recording  media.Film:
Travel TipsAnd as most travelers know all too
well, while your things are being thoroughlyUnlike magnetic media, X-ray will most
inspected, so are YOU! You will be asked tocertainly ruin undeveloped film. While the
remove your coat, and maybe also your shoes,TSA states that film below 800 ASA/ISO would
jewelry, belt, etc. And if it's your "lucky"be unaffected by passenger checkpoint X-ray,
day, you could also be pulled aside for ait also says that the cumulative effect of
thorough frisking. Someone else accidentallymultiple passes through these devices can fog
(or purposely) picking up your video camera,even  low-speed  films.Conclusion:
laptop, or other objects is not uncommon. So
keeping a close eye on your personal items isAccording to the TSA, and based on reports
vital.To minimize the time you are separatedfrom customers, manufacturers and our own
from your belongings, think ahead and dresspersonal experiences, it is highly unlikely
the part: Check your steel-toed boots andthat any of the scanning devices in use today
wear thin-soled flip flops instead. Unlesswould corrupt magnetically recorded media.
you're willing to swap out your metal bodyYour most likely source for trouble is damage
piercings to plastic or bone, that hiddenor loss from the hand inspection of a checked
belly-button ring that makes your mama sobag or carry-on items lost in the hubbub of a
proud will set off the metal detector - sosecurity checkpoint. If you do discover you
take it out ahead of time! And don't forgetare missing an item, the TSA provides phone
that things like foil gum wrappers are metal,numbers for airport lost and found
too. So, empty your pockets into yourdepartments.For complete information on
carry-on bag before going throughairport security and other travel tips,
security.Handheld Wands, Metal Detectors, &please  visit  TSA's  web  site  at
X-rays
We'd love to hear from you. Give us some
Okay, so you're going to carry on your tapesfeedback about this article or tell us about
(and hope you don't lose them!). But evenyour recent airport experiences.
carrying the tapes on, they still have to go



1 A B C D E 70 71 72 74 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 106 107 109 111 112