How can I scan a picture off of a wall?

3d scanner home image

lovelylady

My bf and I are moving out of our home and he has lived there for years. Well he's had many parties and a BUNCH of friends left signatures on his bathroom wall. Unfortunately a group of his friends died and he refuses to paint over it. Is there a way you can scan or copy the wall so we can have it saved? I would just take a picture but its all over and its on all sides of the walls. I heard there is a handheld scanner you can get to print or save to your computers. Anybody know where? or what they're called?

Answer
Not even sure if they're available anymore--handheld scanners. Googled and found some--"Handheld document scanners"--but they're way expensive. ($500+) At that price, you're better off cutting out that section of the wall and then plastering it (or re-drywall). The cost of repairing a small hole is under $20...tools and materials included.

If you go that route...here's a good tutorial on drywall repair.

http://www.easy2diy.com/cm/easy/diy_ht_3d_index.asp?page_id=35750435

Could you see this machine within the next 75 years?

Qelery

A "Home Diagnosis Machine" that looks like a mini MRI machine in your home that you will use daily. First the machine takes a drop of your blood and saliva as a sample. Then you lay on the machine as it brings into the tube, just like an MRI machine. It scans you body for about 5 minutes, taking 3D images of your body and examining the blood. It would be able to tell you everything from your blood pressure, to cancerous tumors, to what vitamins you lack. Your results will be dispalyed on a touch screen. Everything that needs your attention will be shown to you. It will diagnose you and display what medication, vitamins, or medical attention you need. You select the medication you need to buy and the machine will send it to your local pharmacy.

Answer
Sure, why not? Except that it will probably not look like a MRI machine at all and won't need 75 years to come to market. Like almost any product, this hypothetical device would have to be user friendly as well as have user appeal. That means no big, bulky machines in the house/apartment. I would envision it as more of a solid state scanner that could be placed on the wall, ceiling, shower, door frame or even in your bed frame (basically anything you walk past). Depending on how many points of origin the scanner(s) has (or perhaps it uses some kind of depth sensitive radiation) it can then scan you in three dimensions while you are stationary. There are already consumer available 3D scanners that place objects on turntables and produce a 3D image. So there's the technological component.
I can also see such a device coming to homes due to society's increasing paranoia and obsession with personal health and hygiene (I think this borders on mass psychosis). Basically anything that promises to be of some benefit to personal health will be easily accepted by consumers even if there are other potential drawbacks.
Factors against the invention of such a device would likely have to be economic or political in nature since social acceptance and technology are already in place. Also, a newer and better method might also be discovered in that time.

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Title Post: How can I scan a picture off of a wall?
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