The future is already here. It's just not evenly distributed.
William Gibson
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If I put a sandwich in my jacket pocket, will that cook it?
Call me tinfoil, but I don't trust the BS about backscatter tech used at the airport/ and besides privacy and 2A issues I have a problem with this as well. So it penetrates clothing and somehow does nothing to skin? Yes, lots of natural hazards on a day to day basis but I don't need anyone adding to that 'for my safety'. Wish we would take the Israeli approach and be more concerned with WHO is on the plane rather than what I might have on my person.
Last I looked into it, Europe didn't allow the backscatter tech because they weren't convinced it was safe. If you look into how backscatter machines were more or less rubber stamped in this country, it is a bit suspicious to me. I fly a lot (well, used to, have only been flying once or twice a year recently) and I always make them pat me down instead of going through. If I'm going to feel uncomfortable, I'm making them feel uncomfortable too... plus no data storage of my paunch that way
What happens when someone tips it over
[Formerly nuclear project engineer worked on subs and commercial nuclear power plant, trained on radiation control.]
We were taught (6 months nuke school plus rad-con training) that radiation has a cumulative effect on human tissue. So less is best. You sometimes need x-rays for medical/dental issues, but adding to it unnecessarily is a risk that most shouldn't take.
Thus, these devices at airports and elsewhere are not necessarily safe (I recall reading where they did not get tested and monitored for radiation safety) and should be avoided.
Extra radiation above background is all bad, some is unavoidable but that's why nuke plants have ALARA. If there is a way to avoid it, I want nothing to do with extra radiation.
[Formerly nuclear project engineer worked on subs and commercial nuclear power plant, trained on radiation control.]
We were taught (6 months nuke school plus rad-con training) that radiation has a cumulative effect on human tissue. So less is best. You sometimes need x-rays for medical/dental issues, but adding to it unnecessarily is a risk that most shouldn't take.
Thus, these devices at airports and elsewhere are not necessarily safe (I recall reading where they did not get tested and monitored for radiation safety) and should be avoided.
Airport scanner dose is 0.01 millirems. CT scan is 100,000 times that.
I believe the TSA has eliminated the walk-through back scatter X-Ray machines in favor of millimeter microwave machines, so the only ionizing radiation is the luggage scanner.Thus, these devices at airports and elsewhere are not necessarily safe (I recall reading where they did not get tested and monitored for radiation safety) and should be avoided.
It still adds up.
Where are the dosimeters for employees?
How often are they checked and verified in-spec for radiation?
Both of the above were required for a very long time (unsure of current rules) for very good reason. TTBOMK, neither are done wrt the airport machines. If something isn't working properly a person could get a much higher dose, that is why checks and calibrations should be done.
If it's 0.01 millirems it's less radiation than your body emits. So it doesn't add up, and you also get like 500 times more radiation during the flight than from the scanner.
The radiation is so low that's probably why they don't bother with monitoring it.
This.I believe the TSA has eliminated the walk-through back scatter X-Ray machines in favor of millimeter microwave machines, so the only ionizing radiation is the luggage scanner.
Last I looked into it, Europe didn't allow the backscatter tech because they weren't convinced it was safe. If you look into how backscatter machines were more or less rubber stamped in this country, it is a bit suspicious to me.
[Formerly nuclear project engineer worked on subs and commercial nuclear power plant, trained on radiation control.]
We were taught (6 months nuke school plus rad-con training) that radiation has a cumulative effect on human tissue. So less is best. You sometimes need x-rays for medical/dental issues, but adding to it unnecessarily is a risk that most shouldn't take.
Thus, these devices at airports and elsewhere are not necessarily safe (I recall reading where they did not get tested and monitored for radiation safety) and should be avoided.