A robot fish to guide other fish away from danger

giugno 3, 2010 Technology No Commenti

When we are talking about dangers that may threaten the fish at sea, we do not mean those caused by other inhabitants of the water: Mother Nature is doing its job well enough without man having to stick his nose in it. We are rather talking about dangers created by human intervention, and just to name an example that has the world watching lately, the Gulf oil spill is before everyone’s eyes.

And when it comes to man-made threats, the natural defenses acquired over millions of years may not be enough for the fish to swim towards a safe haven. With this in mind, an Italian researcher from the Polytechnic Institute of New York University has created a robot fish designed to act as a leader for other fish and, by having them follow him, guide them to safety, for example away from the oil spill.

To achieve this task, the research team has observed a group of fishes’ behavior, coming to the conclusion that, in order to gain attention from others, the aspiring leader fish shakes his tailfin faster and more vigorously.
Once he gains their attention, he gathers them in a pack and leads them, and often these groups of fish are formed by different species.

Therefore, they have designed a black robotic fish, approximately 15 cm in length, with the aim of “taking over” the power among his live peers, recreating realistic motions by using polymeric materials which move as a reaction to a small electric impulse generated by an internal battery.

In the future, these robotic leader fish will be equipped with a battery that recharges itself automatically with motion, thus becoming almost eternal. They might be used to guide other fish away from potentially dangerous situations, for example to prevent them from swimming too close to the turbines of an hydroelectric power plant.

Visually intelligent cameras for US Armed Forces

giugno 3, 2010 Technology No Commenti

The Department of Defense agency DARPA (Defense Advanced Research Projects Agency) which works on research projects on high technology devices that are then used in war areas to provide a sensible advantage to the US troops over their enemies, has started a tender for an application called Mind’s Eye.

The name, slightly reminiscent of Orwellian atmospheres, is used to identify a project aimed at the manufacturing or intelligent cameras, or better, of cameras with visual intelligence.
Thanks to a specially designed software, these video systems will have to be capable of recognizing objects around them, to understand their usage and the possibility of interaction among the various objects on the scene.

Thanks to this kind of visual intelligence, the ultimate goal of the project is obtaining cameras that can be used to autonomously provide information on the objects and locations they see, not just by passively acting as a mirror and reflecting what they see, but “entering” the depicted area and giving their viewers the possibility of using the images to identify a potentially dangerous situation.

A camera equipped with this kind of artificial intelligence might be used, for example, for video surveillance of sensitive targets such as embassies or banks, where it could analyze any changes in the area around them, and determine whether these changes might represent or not a potential threat to the target.
Alternatively, they can be mounted on board of UGVs (Unmanned Ground Vehicles) used for reconnaissance missions in dangerous neighborhoods or urban warfare areas.

Thanks to Mind’s Eye, the Pentagon hopes to reduce any potential risk for military personnel, while achieving an analytical capability that the eye of a soldier may not be able to reach, especially after long hours spent in the sun or marching, when he could be overwhelmed with fatigue and stress.

Bug sweeping, to keep your conversations secure

giugno 3, 2010 Technology No Commenti

When in your workplace or office you are discussing important business strategies or information, ast any level, secrecy is a vital factor, especially if one of the keys to success is being faster than your competitors. Therefore, it is essential that any information exchanged during a decision-making meeting is kept safe and protected against prying ears, especially if there are substantial sums of money at stake.

In order to keep your environment secure, it is advisable to resort to technological aid, for example by installing a bug sweeping system which can use different ways to keep our conversations private. For example, to be reassured that no one has placed micro transmitters or hidden microphones in your office, you can use a bug detector, which would immediately expose any radio or GSM transmission source within its operating range.

Alternatively, to thwart any listening attempts that may take place by using a mobile phone (or, as explained above, through a GSM bug) you can use a signal jammer, which will create some sort of “island” where mobile phones can neither receive nor transmit, thus achieving two results in one: no news could leak outside, and no one will be able to disturb your meeting with an unwanted or untimely phone call, and the decision making process will not be influenced or disturbed by anyone outside.

Of course, in case of a bug sweeping operation that will be looking for concealed bugs or microphones, it is always advisable to consult an expert who will accurately scan and inspect your office or home, trying to locate any miniature listening devices that may be endangering the privacy of our job or of our personal life.

To do this, you can consult the Endoacustica website, where our environment reclamation experts will be able to give you a tailored advice.

Sanyo to launch its Full HD underwater video camera

giugno 3, 2010 Technology No Commenti

Sanyo has just announced the worldwide launch of its miniature camera DMX-CA100, a high definition Dual Camera (that is, a device that works both as a video and a photo camera) which can be used even under the water, up to a maximum depth of 3 meters.

News about the launch of this underwater videocamera manufactured by Sanyo comes just a few days after their competitor Toshiba have announced that they would soon be releasing a similar model, underwater and with high definition features, which in spite of having been announced a few days earlier, thus deservedly holding the title of “first Full HD underwater Dual Camera”, does not seem to be a match for DMX-CA100 under the image quality point of view, especially as far as usage as a photo camera is concerned.

DMX-CA100, in fact, can record up to 60 minutes of high definition video footage, with a resolution of 2920 by 1080 pixel in MPEG-4 format. The images shot by the photo camera are 14-megapixel, with a 4640×3480 resolution, and can also be taken with the continuous shot function, which allows you to shoot up to 22 images with a frame rate of 7 per second.

Thanks to its Double Range Zoom function, you will also be able to use two different zoom levels and quickly switch from one to the other, with a magnification up to 12x.
Images and footage can be stored on a SXDC memory card, and naturally, they can easily be downloaded on your PC at a later stage.

The price tag on DMX-CA100 has not been placed yet, meaning that all you have to do is wait until the end of June to know it, and to choose your model in a color of your choice among pink, yellow and black.

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