Here's the news report: http://www.news.com.au/technology/story/0,25642,23964285-5014108,00.html
As per forum rules, I'm not linkig the instructable.
How long do you think that would last? Of course it depends on your scarring, laser type and power, etc... It is an interesting idea to be sure. I'm also kind of worried about the possibility of increased cancer risk depending on the laser type.