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CARD sources. Mirage effect from thermally modulated transparent carbon nanotube sheets. The single-beam mirage effect, also known as photothermal deflection, is studied using a free-standing, highly aligned carbon nanotube aerogel sheet as the heat source.

Mirage effect from thermally modulated transparent carbon nanotube sheets

The extremely low thermal capacitance and high heat transfer ability of these transparent forest-drawn carbon nanotube sheets enables high frequency modulation of sheet temperature over an enormous temperature range, thereby providing a sharp, rapidly changing gradient of refractive index in the surrounding liquid or gas. The advantages of temperature modulation using carbon nanotube sheets are multiple: in inert gases the temperature can reach > 2500 K; the obtained frequency range for photothermal modulation is ~ 100 kHz in gases and over 100 Hz in high refractive index liquids; and the heat source is transparent for optical and acoustical waves.

Word Counter. Program or be programmed: ten commands for a digital age - Douglas Rushkoff. Douglas Rushkoff was born on February 18, 1961.

Program or be programmed: ten commands for a digital age - Douglas Rushkoff

After graduating from Princeton University he received an MFA in Directing from California Institute of the Arts. He has written numerous magazine columns on topics including cyberculture and has been aired on CBS Sunday Morning and NPR's All Things Considered and published in The New York Times and Time magazine. Rushkoff has taught at the MaybeLogic Academy, NYU's Interactive Telecommunications Program, and the Esalen Institute, and he teaches media studies at the New School University. Chick-fil-A Leadercast 2012. Botanicalls Kit. Description: Botanicalls Kits let plants reach out for human help! They offer a connection to your leafy pal via online Twitter status updates to your mobile phone.

Interview: Twine - The Internet of Things for Regular People? My Thoughts on Codecademy - O'Reilly School of Technology. There is yet another new wave of start-ups emerging in the educational technology space and like those that came before, most of this new wave neglects to address some critical issues.

My Thoughts on Codecademy - O'Reilly School of Technology

Every few years, a new set of companies comes out with what they refer to as, “the next wave in digital education.” However, these “new” methods and technologies are rarely actually new. Experienced educators who have followed the evolution of digital education since its inception over fifty years ago, have seen it all. Galvanic Cells. Create Your Own Programming Language. Table of Contents What's a Programming Language?

Create Your Own Programming Language

Why We Need another Programming Language JavaCC Java Reflection Eclipse Configuration Programming Language Example (Name: St4tic) 6.0- Grammar 6.1- Code Generating 6.2- Using Reflection 6.3- Core Creation 6.4- Making Interpreter System:out:println(1 + var) Summary Reference 1- What's a Programming Language? A programming language is an artificial language designed to express computations that can be performed by a machine, particularly a computer.

Why? In reality, a programming language is just a vocabulary and set of grammatical rules for instructing a computer to perform specific tasks. Regardless of what language we use, we eventually need to convert our program into machine language so that the computer can understand it. Kathryn Schulz: Don't regret regret. Online copyright registration, your questions answered. Classes.dma.ucla.edu/Winter09/9-1/_pdf/3-fuller_operating-manual.pdf. Pentagon Scientists Use 'Time Hole' to Make Events Disappear. Soldiers could one day conduct covert operations in complete secrecy, now that Pentagon-backed physicists have figured out how to mask entire events by distorting light.

Pentagon Scientists Use 'Time Hole' to Make Events Disappear

A team at Cornell University, with support from Darpa, the Pentagon’s out-there research arm, managed to hide an event for 40 picoseconds (those are trillionths of seconds, if you’re counting). They’ve published their groundbreaking research in this week’s edition of the journal Nature. This is the first time that scientists have succeeded in masking an event, though research teams have in recent years made remarkable strides in cloaking objects. Researchers at the University of Texas, Dallas, last year harnessed the mirage effect to make objects vanish. And in 2010, physicists at the University of St. Masking an object entails bending light around that object.

Where events are concerned, concealment relies on changing the speed of light. The entire experiment occurred inside a fiber optics cable. NES controlled Etch-a-sketch - YouTube. 10 Important Differences Between Brains and Computers : Developing Intelligence. “A good metaphor is something even the police should keep an eye on.” – G.C.

10 Important Differences Between Brains and Computers : Developing Intelligence

Lichtenberg Although the brain-computer metaphor has served cognitive psychology well, research in cognitive neuroscience has revealed many important differences between brains and computers. Appreciating these differences may be crucial to understanding the mechanisms of neural information processing, and ultimately for the creation of artificial intelligence. Below, I review the most important of these differences (and the consequences to cognitive psychology of failing to recognize them): similar ground is covered in this excellent (though lengthy) lecture. Difference # 1: Brains are analogue; computers are digital It’s easy to think that neurons are essentially binary, given that they fire an action potential if they reach a certain threshold, and otherwise do not fire.

Difference # 2: The brain uses content-addressable memory. Twine : Listen to your world, talk to the Internet by Supermechanical. The Kickstarter is over, but if you missed out on backing us, not to worry.

Twine : Listen to your world, talk to the Internet by Supermechanical

You can still join the thousands of other awesome Twine owners by pre-ordering on Supermechanical. It's the next best thing to being an original backer! Follow us on Facebook or Twitter. How to help spread TED. But What If You’re Un-Googleable? Investor and serial entrepreneur Chris Dixon has written a notable (and mercifully short !)

But What If You’re Un-Googleable?

Blog post about how social utilities like Google and Facebook have essentially become reputation engines powering the emergence of collaborative consumption startups like Airbnb and TaskRabbit. Dixon’s “Internet of people” argument relies on the idea that Google search has replaced real life social proof, but this kind of oversimplification overlooks a major problem yet to be solved … The Internet Is People. There’s always been a tension on the Internet between humans and algorithms.

The Internet Is People

In the early days, Yahoo was a human-curated index, remember? But humans couldn’t keep up, and the algorithms took over. Today, the human factor is rising in importance once again with Facebook, Twitter, and countless mobile applications like Instagram. Dan Pink on the surprising science of motivation. I, Pencil. Rachel Botsman: The case for collaborative consumption. Clay Shirky on institutions vs. collaboration. Howard Rheingold: The new power of collaboration.

Wp-content/uploads/audio/books/I-Pencil-Full.mp3. Matt Ridley: When ideas have sex. Ken Robinson says schools kill creativity. Iain McGilchrist: The divided brain. Get Lit: The Literature Review. Ben hammersley.