The History Of Microdermabrasion
There are close to 120 different microdermabrasion machines available on the market today. However, because it is still a novel technique, there have been no manufacturing performance standards specified for these machines. The FDA classified the machines as Class 1 devices which can be sold without clinical efficacy evidence, and the machines can be used without medical supervision. This just shows how important it is to choose a professional clinic for your microdermabrasion needs before you go ahead and try it out for yourself at home.
The precursor to microdermabrasion was dermabrasion, and this is a more invasive technique. There are many problems with dermabrasion, firstly it is more painful than microdermabrasion, so it has to be performed with anaesthesia. Second, the recovery period is long, and it takes weeks for the top layers of skin to heal. Third, there is scarring, which is not apparent with microdermabrasion, so scars will eventually develop with continued, repetitive use. Fourthly, infection is a bit of a problem and could lead to dermatitis and septicaemia in the worst of cases. So all in all, it is not a very skin friendly technique.
The whole idea of removing the upper-most layer of skin was conceptualized ages ago, as far as 1500BC in Egypt. They used a type of sandpaper to smooth the skin- and this obviously must have been quite painful and side-effect plentiful. This is not a surprise though, and it isnt a surprise either that the Egyptians were the first to create this beautifying technique.
Currently, microdermabrasion is the norm, and it is one of the top 3 aesthetic procedures performed in the world. The incidence of its use is also increasing each year, both in America and Europe. There was an increase of 24% from 2003 to 2005 in its use in America. Its use will spread to the bigger markets in Asia in due time, and I predict that because of its many benefits and efficacy over other skin-care procedures, will develop to become the most popular procedure among health-care professionals.
Who knows, one day nano-dermabrasion may take over micro-dermabrasion in the human quest for ever-improving beautifying procedures!
About the Author:
Asanka Samaranayake (BSc Hons Neuroscience) and Darren Patten (Bsc Hons Surgery & Anaesthesia)have a specialist interest in microdermabrasion and provide you with an indispensable resource at Microdermabrasion Info. Net
Source: http://www.articlesnatch.com/Article/The-History-of-Microdermabrasion/113930
Does anybody know about micro-hydro electric generators?
Professional services blog.
Why not put micro turbine generators all along the river banks?
We have thousands of mile of fast running rivers . Put them every say 5 foot or so for as long as you want them . 20 miles of these things would create some serious power If they was 120 volt . I don’t think they would bother the fish in any way . They would basically stay clean without sludge building up unless a log hit or something like that
http://www.absak.com/library/hydro-power
2 micro hydro in series with one water supplier?
If I used a 2X Micro Hydro generators which are serviced by a pipe of water which supplies sufficient water for it to work and further down I use the 2nd generator of the same type who will get the same amount of water from the first generator thus doing the same to the second generator,will I get both working at same potential? Thank you for your replies in advance.
Thanks Sufi. Will a pump between the two generators made up the loss of the pressure as the water reaches number 2 generator?
Just google it…there is lots on it.
I get a subscription to “mother earth news” magazine and they have several articles a year on this subject. A lot of them are archived on their online site.
There also is a lot of how- to books on amazon.com that you can purchase to get specifics
http://www.amazon.com/s/ref=nb_ss_2_8?url=search-alias%3Daps&field-keywords=micro+hydro+generator&sprefix=micro+hy
can dc micro motorss converted in to micro generators ?
Stringing these things from the beginning to the mouth of a single river would require a ton of riparian deforestation (both during the initial installation and almost every time a maintenance issue needed fixed), not to mention what happens if there’s a flood, with dramatic increases in flow rate and tons of debris moving downstream? These are probably best suited to small individual structures such as houseboats, bridges, etc.
Plus, an old fashioned wheel generator produces more volts for a fraction of the cost of some of the shiny new things on that website, albeit they’re not exactly portable.
http://www.gakei.com/foe/foe15.jpg
That may depend upon construction (micro merely means small?). If the motor uses permanent magnets, rotating the shaft mechanically likely will generate electricity (generator). If the motor uses electromagnets, there may be no magnetic field to generate electricity when its shaft is rotated mechanically.
are there any micro. points generators that work?
i need a microsoft points generator that works, my son just recently left my house because i couldnt afford to pay for him to live here anymore, now he thinks its my fault, i wannt get him somthing he can use and so i can show him i still love him hes only 13 but hes always playing online, he loves the xbox i bought him, can you help me please and only send me ones youve tested and know they work, ty!
No.
They are always ether fake, spam, and/or malware.