Drawing in the Air
It's Fireworks day next week; as a child I used to wave sparklers in the air to create patterns. At best I could get circles, and perhaps figures-of-eight, but not pictures, though I have seen simple pictures created in the air by lasers.
Of course, if you could move the laser fast enough you might create a whole picture. It works by persistance of vision, but that only lasts for a fraction of a second.
Supposing you could draw slowly and still see your picture? Well, that's what some clever people have done. Not only can you draw slowly in the air, you can do it in 3D, and have the object you drew actually created. Don't believe me? then go to http://blog.pcnews.ro/2006/10/28/sketch-your-furniture-in-the-air/
Apart from drawing in the air, you can also project images onto air. Take at look at http://blog.pcnews.ro/2006/07/27/real-display-like-in-star-wars-movie/
Miracles are getting commonplace now in the world of animation, so we need a new word to cover things that can only be done by divine intervention. But even the divinity is getting mapped out by animation. Look at http://www.secondlifeinsider.com/category/educational/ a 3D weather map. Scientists have just launched a satellite to map a 3D picture of the Sun as well.
Not many of us have a need for 3D images of the Sun, but how about having your own avatar that can try on clothes for you? If you're interested look at http://www.secondlifeinsider.com/category/clothing/The scariest aspect of 3D mapping I've seen was on a Horizon show last week where they showed experiments for mapping the brain. Different areas of the brain are highlighted as you think about different things. They say that one day they will be able to replay the images from your brain so you relive the experience, even to the point of capturing dreams!!!
I'd have second thoughts on that one, and just hope that the second thoughts don't get mapped.
Stan
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