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Joey Hudy, a young "maker" from Phoenix went to the White House this week to show off his project, the "Extreme Marshmallow Cannon." When President Obama saw it, he told Joey: "Let's try it." Joey set up the air cannon, which uses a bicycle pump to build up air pressure, and put a marshmallow down the barrel. When he pressed the trigger, a single marshmallow was shot out across the room to the delight of everyone, but especially the president.

The last time we ran into Ben Heck, the tinkerer extraordinaire was waxing poetic at Maker Faire about the Raspberry Pi and cheese curds. One more thing he also talked about, however, was his latest 3D printer project, which he now explains in greater detail in the latest episode of the Ben Heck Show. Improvements made to the device include use of a Birdstruder for easier access to the filament and the ability to print off an SD card if you don't have a computer handy. The 3D printer also sports an expanded 200-square-millimeter print area with a solid copper cover for added sturdiness and accuracy. As usual, size matters for Mr. Heckendorn so the device got a boost in portability, now neatly folding James Bond-like into a briefcase that measures 18 x 14 x 4.2 inches. Interested in a briefcase printer of your own? Well, Heckendorn mentioned during the Maker Faire interview that he's already working on an improved version and thinking about putting it up on Kickstarter so hope springs eternal. In the meantime, you can glean more details about the device by checking out the video after the break.

The goal of the workshop is to explore ways to become better providers and connectors of knowledge in a world where the sources of knowledge are increasingly diverse and dispersed. At the World Bank, for example, we are seeking ways to connect with new centers of research, emerging communities of practice, and tap the practical experience of development organizations and the policy makers in rapidly developing economies. Our goal is to find better ways to connect those that have the development knowledge with those that need it, when they need it.

It seems that more and more policy makers, advocacy groups, advertisers and media pundits are making claims based on science: this kind of potion is good for your health, that chemical is bad for the environment, this new technology can reduce crime. How is the public supposed to know what to believe?

IT professionals will increasingly act as data managers as the role of application manager becomes superfluous, according to a report called Technology Vision 2011, from IT services firm Accenture. In addition, the coming years will see IT decision-makers choosing platforms that are best able to manage soaring volumes of data as opposed to platforms designed to support applications. Read more: http://www.computing.co.uk/ctg/news/2024987/management-accenture#ixzz1rlnYqkgY  Computing - Insight for IT leaders Claim your free subscription today.

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Over the last 10 years, the U.S. government has made significant investments in science and technology in order to enhance its ability to understand and shape public opinion and behavior abroad-a domain of activity referred to in this report as "shaping," "influencing," or "communication and persuasion." Because this effort is taking place across a vast government bureaucracy, the policy-makers and practitioners engaged in communication and persuasion do not always know what tools are at their disposal and what tools need to be invented.

A way to print Radio Frequency Identification (RFID) chips right onto paper has been discovered by a team of scientists from University of Montpellier.

One of the most beautiful aspects of science is that while there is so much we can see and smell and feel around us, there's an inconceivably large universe around us full of things we can't directly observe. The Tricorder project aims to develop handheld devices that can sense a diverse array of phenomena that we can't normally see, and intuitively visualize them so we might see temperature or magnetism or pressure as naturally as we see colour. 

If you've visited the LVL1 Hackerspace lately there's a good chance you've found yourself talking to an entity who speaks in a somewhat eerie female voice and goes by the name of MOTHER. You also may have found yourself engaging in "google talk" conversations with MOTHER in order to find out what members are present at the space, or what items are on the spaces grocery list; or perhaps you noticed that the overall environment of the hackerspace seems to completely change when a specific member walks through the door.

Louisville's hackerspace LVL1 is working on a home automation setup for the space, and they call it MOTHER. Using open-source home automation software called HOLOS, the capabilities include: * Monitoring of LVL1 Space Occupancy & Zone Occupancy * Measuring of "Hacktivity Levels" of each Zone * Monitoring of individual member occupancy * INSTANT WOMP MODE! (dubstep everywhere at the press of a button) * Notifications of "Abnormal" hacktivity levels * Monitoring of various websites and notifications of LVL1 mentions * Various "Nagging" (Take out the trash, It's cold please shut the door, I haven't seen you in 3 days, please come visit your mother, etc…) * "Member Scenes" - Auto setting of audio, lights, etc.. based on specific members present * Logging and Graphing of ALL data * Voice recognition and communication * Control of Lighting and appliances * Security System monitoring and notification of alerts * Phone calls and emails based notifications * Google Talk communication with AIML chat integration

Seriously? You care enough about temporal accuracy buy an atomic clock but you don't know how to build one? We won't tell.Thankfully DIY Physics has a great tutorial on how to build your own with parts from eBay.

The Cryoscope shows the user exactly what to expect outside by haptically exhibiting exactly how cold or warm it is to be outside. The user simply touches an aluminum cube that has been heated or cooled to the appropriate temperature. The unit fetches weather data from the internet, and translates it to the cube physically, pumping heat in or out of the cube.