Camera Article LargeWith the Lytro camera, it’s shoot first, focus later, thanks to a special sensor and software that lets users change the focus on the file itself. These interactive demos suggests how this can add a new dimension of interactivity to otherwise ordinary photographs.

Meanwhile, for moving image mavens, Apple’s Final Cut is reborn at a third the price. Not everyone is pleased with its reincarnation, but most are sure to like the biggest difference: no more waiting for rendering. Yes, you heard that right.

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At the same time that the Obama administration is underwriting hardware for helping citizens of other countries circumvent their own government’s Internet censorship, Apple is patenting a camera that performs a government’s censorship for it.

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JavaScript’s seemingly inexorable march toward becoming the universal language of new media recently opened a new beachhead on the Web server. With an effusion of excitement about, and profusion of frameworks for, using JavaScript for such server-side tasks as accessing databases, the homely script that started out as a love child of Netscape and Internet Explorer could end up displacing such respected languages as PHP, Python, and Ruby.

Microsoft Vice President Julie Larson-Green didn’t help matters during a demo of Windows 8, when she called HTML5 / JavaScript “our new developer platform“–freaking out legions of developers who’ve diligently learned Microsoft-only platforms from Visual Basic to C#. Will Microsoft say nyet to .NET?

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Street View Giardini 1 9 Master CardThe press release for the exhibition Not Here begins, “The Samek Art Gallery at Bucknell University is very pleased to announce that we will not be presenting the augmented reality artwork of the art collective, MANIFEST.AR from June 4 through November 27, 2011.” It turns out MANIFEST.AR isn’t featured in the Venice Biennale either. Even more of a coincidence: the same works not featured in the Biennale are not featured in the Samek show, during the exact same period!

If you’re confused, blame Augmented Reality: software that allows enterprising artists to overlay virtual versions of their works in real spaces, at least on AR-enabled smartphones. What’s not (here) to like?

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Imagine a future in which a single worldwide currency is distributed among peers rather than centralized in a handful of wealthy banks. Freed from the intrusions of national governments and the manipulation of Wall Street fat cats, these virtual coins could be “mined” and spent by individual citizens anywhere on the Internet. Based on an open-source standard and difficult to trace, these immaterial coins would quickly become the ideal payment option for privacy advocates, political dissidents, and narcotics dealers.

This future is already here, and it’s called Bitcoin.

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Portal 2 lets players warp the space-time continuum, and physics education may never be the same.

Heck, it even made the New York Times go ga-ga. Perhaps more astonishing, it made the New York Times write a video-game review.

Physics — the basic behavior of this particular reality —can be beautiful. Read Newton or Einstein. Or you could play Portal 2, the achingly brilliant new game from the Valve Corporation that wrings more fun out of physics than all of the shoot-’em-ups in the world….

The problem with physics for many people is that it has always been explained in the language of mathematics. [Yet] we all know physics, even if we don’t know we know it. But how can it be made elegant and enjoyable without the math?

Enter Portal 2….

One portal by itself does nothing; it is merely a swirling oval about the height and width of an adult. But when you create the other portal, the two ovals become linked. When you pass through one, you emerge from the other, no matter how far away it is. It is as if the portals formed opposite sides of a trans-dimensional hole.

Let’s say you are in a rectangular test chamber, standing on a platform separated from the exit by a deep pit that you cannot possibly leap over. All you have to do is create one portal on a wall next to you, then fire the gun across the chasm to create the corresponding portal on a wall next to the exit. You walk through the hole beside you and pop out by your destination. Voilà.

That’s easy, and that’s pretty much where you start in Portal 2. The game then begins to layer on more mind-bending situations that both elucidate, and take advantage of, basic physics. For example, an important concept is the conservation of momentum. When you enter one portal, you emerge from the corresponding portal at exactly the same speed. This means that gravity becomes your personal propulsion system.

Picture the same test chamber, but with one difference: the walls, floors and ceiling by the exit are not “portal-able.” Certain surfaces are designed to be impervious to the portal effect. How will you cross?

First you open a portal that’s above and behind you on the wall. Against all intuition, you then leap into the pit. As you fall, accelerating, you aim at the floor and open a portal where you are about to land and plummet through, only to be launched horizontally out of the portal you originally created. Your speed propels you across the pit to land by the exit.

http://feeds.nytimes.com/click.phdo?i=090b5d1337717b8b217580f4fb6d1037

As Slashdot reports, you can even make your own Portal playground thanks to Valve, which is no stranger to open-sourcing game guts.

Portal 2 Authoring Tools Beta Released

Valve has announced the beta release of a set of authoring tools for Portal 2, allowing users to create their own puzzles and challenges in the name of science. “The Portal 2 Authoring Tools include versions of the same tools we used to make Portal 2. They’ll allow you to create your own singleplayer and co-op maps, new character skins, 3D models, sound effects, and music.” The tools are available for free to anyone who owns the PC version of the game.

Of course, if you want your physics straight from the horse’s mouth–er, voice synthesizer–there is this rare recent interview with Stephen Hawking:

http://feeds.nytimes.com/click.phdo?i=f0748904214614b00443248bced49899

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