September 7, 2007 at 12:13 pm · Filed under Other stuff
Not particularly singularity relevant, but neat nonetheless:
Levitation has been elevated from being pure science fiction to science fact, according to a study reported today by physicists.
Professor Ulf Leonhardt and Dr Thomas Philbin, from the University of St Andrews in Scotland, have worked out a way of reversing this pheneomenon, known as the Casimir force, so that it repels instead of attracts.
Their discovery could ultimately lead to frictionless micro-machines with moving parts that levitate But they say that, in principle at least, the same effect could be used to levitate bigger objects too, even a person.
The Casimir force is a consequence of quantum mechanics, the theory that describes the world of atoms and subatomic particles that is not only the most successful theory of physics but also the most baffling.
Now, using a special lens of a kind that has already been built, Prof Ulf Leonhardt and Dr Thomas Philbin report in the New Journal of Physics they can engineer the Casimir force to repel, rather than attact.
This interesting post discusses the user interface of this month’s new overpriced bauble from Apple (No, I’m not jealous – much.) Representational physics (Dubbed “Digital” Physics by the author) is a an ever more immersive part of the digital user interface. Part of this is certainly resulting in improved experience, but part of the drive is IMO just “feature” competition, bored programmers doing cute stuff, and marketing wonks let loose in product design.
For people who play video games, Digital Physics is old news. For the rest of us, the Digital Physics experience is new. The traditional Windows desktop of the nineties never delivered life-like experiences. Instead, users where forced to learn to interact with computers by learning new gestures, via mice and keyboard. The modern interface from Apple changed that paradigm somewhat, by introducing digital interfaces that responded to mouse clicks. iPhone takes this experience to a whole new level, letting us interact with digital information using our hands.
I am not convinced that this is the paradigm shift that Apple boys are all calling it. Representational Physics (The article calls this “Digital Physics” which misses the real point IMO.) has been around as long as tools have – after all, what is a tool but a way of translating one intention into a different action? And, what makes selecting an item from your iphone playlist any different from choosing the floor to go to in an elevator? Read the rest of this entry »
Nice quick summary of the current status quo of virtual/real world convergence, though I still think that people take ‘Second Life’ far too seriously, and the google earth/MS Earth tools aren’t showing the potential to have make any substantive changes to our existence yet. (No time to really comment right now, hopefully I will come back to this. I really need to add a link blog to this site.)
Life is becoming more digital and digital is becoming more alive. On one hand we have the rapid rise of Second Life and other virtual worlds. On the other we are beginning to annotate our planet with digital information, via technologies like Google Earth. In both cases digital information is breaking geographical boundaries and overcoming the limitations imposed by our physical world. Flying in second life has the same affect as linking a Wikipedia entry to the Grand Canyon as rendered in Google Earth.
Information is being unleashed and re-shuffled. We are beginning to look at information from literally a 1000 foot view. And everything is becoming increasingly more connected. This is both very exciting and a bit unnerving. We are accelerating into our digital future from all directions – pushing digital towards life and pushing life towards digital.
Following on from yesterday’s post (well, not really) is this TED video demonstrating the latest in virtual real reality processing. Something tells me that this isn’t going to be as good as the real thing. But, I sure if we wait a decade or so…
Microsoft’s Stephen Lawler gives a whirlwind tour of Virtual Earth, moving up, down and through its hyperreal cityscapes with dazzlingly fluidity, a remarkable feat that requires staggering amounts of data to bring into focus. Google might still be ahead of the game, but even in beta, Virtual Earth shows incredible promise. Microsoft’s visions for the product — as a provider of real-time weather and traffic data, or a realistic backdrop for game developers and IM conversations, or virtual ad space — all seem well within the limits of possibility.
