Are flat-screen displays more harmless than old monitors?

Hey guys, I know our community has very knowledgeable members...
I'm not sure if I've have grounds to say this, I don't remember if I read this before or heard this before of saw this before. I think that flat screen displays are more friendly to the eye than the old deep monitors (like that of the current eMac), do you know if this is true?
My mom and dad are planning to replace their eMac-like monitor which nowadays is operating faultly. I suggested a flat-screen display but I'm not sure if it's worth the extra money. We have no space issues, so a new fat monitor would be perfectly okay. We're only concerned about the whatever-it-is that the monitor radiates and that could deteriorate my parents' vision.
Thank you very much.

I recently used an EMF meter (used for testing for electrical radiation) on a 14" Colour Portable TV in my daughter's bedroom and it went mad within 3 feet which is very worrying if you were sat in front of it which she was. I did the same test on an eMac at work and it was fine. I would conclude that LCD's are without a doubt better for your eyes due to the way they emit light but I think it would be unfair to assume all CRT's are made equal and eMac's in my experiment appear to be fine.

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Disk Utility: for bad blocks on hard disks, are seven overwrites any more effective than a single pass of zeros?

In this topic I'm not interested in security or data remanence (for such things we can turn to e.g. Wilders Security Forums).
I'm interested solely in best practice approaches to dealing with bad blocks on hard disks.
I read potentially conflicting information. Examples:
… 7-way write (not just zero all, it does NOT do a reliable safe job mapping out bad blocks) …
— https://discussions.apple.com/message/8191915#8191915 (2008-09-29)
… In theory zero all might find weak or bad blocks but there are better tools …
— https://discussions.apple.com/message/11199777#11199777 (2010-03-09)
… substitution will happen on the first re-write with Zeroes. More passes just takes longer.
— https://discussions.apple.com/message/12414270#12414270 (2010-10-12)
For bad block purposes alone I can't imagine seven overwrites being any more effective than a single pass of zeros.
Please, can anyone elaborate?
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@MrHoffman
As well pointed your answers are, you are not answering the original question, and regarding consumer device hard drives your answers are missleading.
Consumer device hard drives ONLY remap a bad sector on write. That means regardless how many spare capacity the drive has, it will NEVER remap the sector. That means you ALWAYS have a bad file containing a bad sector.
In other words YOU would throw away an otherwise fully functional drive. That might be reasonable in a big enterprise where it is cheaper to replace the drive and let the RAID system take care of it.
However on an iMac or MacBook (Pro) an ordinary user can not replace the drive himself, so on top of the drive costs he has to pay the repair bill (for a drive that likely STILL is in perfect shape, except for the one 'not yet' remaped bad block)
You simply miss the point that the drive can have still one million good reserve blocks, but will never remap the affected block in a particular email or particular song or particular calendar. So as soon as the file affected is READ the machine hangs, all other processes more or less hang at the same moment they try to perform I/O because the process trying to read the bad block is blocking in the kernal. This happens regardless how many free reserve blocks you have, as the bad block never gets reallocated, unless it is written to it. And your email program wont rewrite an email that is 4 years old for you ... because it is not programmed to realize a certain file needs to be rewritten to get rid of a bad block.
@Graham Perrin
You are similar stubborn in not realizing that your original question is awnsered.
A bad block gets remapped on write.
So obviously it happens at the first write.
How do you come to the strange idea that writing several times makes a difference? How do you come to the strange idea that the bytes you write make a difference? Suppose block 1234 is bad. And the blocks 100,000,000 to 100,000,999 are reserve blocks. When you write '********' to block 1234 the hard drive (firmware) will remap it to e.g. 100,000,101. All subsequent writes will go to the same NEW block. So why do you ask if doing it several times will 'improve' this? After all the awnsers here you should have realized: your question makes no sense as soon as you have understood how remapping works (is supposed to work). And no: it does not matter if you write a sequence od zeros, of '0's or of '1's or of 1s or of your social security number or just 'help me I'm hold prisoner in a software forum'.
I would try to find a software that finds which file is affected, then try to read the bad block until you in fact have read it (that works surprisngly often but may take any time from a few mins to hours) ... in other words you need a software that tries to read the file and copies it completely, so even the bad block is read (hopefully) successful. Then write the whole data to a new file and delete the old one (deleting will free the bad block and ar some later time something will be written there and cause a remap).
Writing zeros into the bad block basically only helps if you don't care that the affected file is corrupted afterwards. E.g. in case of a movie the player might crash after trying to display the affected area. E.g. if you know the affected file is a text file, it would make more sense to write a bunch of '-' signs, as they are readable while zero bytes are not (a text file is not supposed to contain zero bytes)
Hope that helped ;)

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"- 16-bit, 44.1Khz - the sound was not quite as "wide" as the 24 bit files, but the kick drum, bass guitar, and even the snare sounded markedly more full and punchy. The bass line could be heard un-interrupted pulsing at the bottom."
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Hi,
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Hi All,
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I intend to purchase a Mac Mini and connect to a regular (not smart) flat screen TV and use such as monitor. Can this setup also allow access to Netflix or Apple movies or an Apple TV is also required?

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I have started learning web dynpro ABAP recently.
My question is -:
When we use "RadioButtonGroupByIndex" by default 3 radiobuttons are displayed.
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Regards,
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Edited by: Debidutta Mohanty on May 25, 2010 2:47 PM

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I am absolutely tired of this and will be sending a complaint soon.
I've been with BT for 8-9 months now and it's been nothing but a hassle, ever since January when I moved homes, BT have been taking £65 every month because of 'average calls I made back in 2012', even though they've already taken the money to cover those bills, they're still taking £65 because it's the average use, bare in mind we no longer use the landline anymore.
Since February, BT have been taking more than what I need to pay for, so I said okay and let them take out the money because they said that any extra money will be deducted from the next quarterly bill, starting from may, they deducted the extra money from previous bills and my quarterly bill was £108.75, may first they took again £65 leaving about £43 left for the next TWO months.
I then called BT and they said that for now on there will be a set amount of money that will be due every month but for now I have to finish my current quarterly bill in order for them to proceed, I said it doesn't make sense that I have to pay off the £43 now and start paying the set amount starting from next month. I was put on hold for a few minutes and told that I won't have to clear the current bill and was CONFIRMED that the next payment will be next month.
Guess what, they took out the £43 without my permission even though we agreed that the set payment will start from June.
It's just an absolute mess, to keep this short .. my current quarterly bill from 11th April till 12th of July is 'PAID'. Why am I still being charged, going to be charged £45 next month and the month after even though my quarterly bill is cleared?
Solved!
Go to Solution.

Hi
I am sorry to see you are having problems
I suggest you contact the forum mods they should be able to get this problem sorted for you this is a link to them http://bt.custhelp.com/app/contact_email/c/4951
They normally reply by email or phone directly to you within 3 working days they will take personal ownership of your problem until resolved and will keep you informed of progress
They are a UK based BT specialist team who have a good record at getting problems solved
This is a customer to customer self help forum the only BT presence here are the forum moderators
If you want to say thanks for a helpful answer,please click on the Ratings star on the left-hand side If the reply answers your question then please mark as ’Mark as Accepted Solution’

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Hai tripathy,
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Are flat-screen displays more harmless than old monitors?

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