High power UHF digital audio monitoring system: the choice of professionals!

Among all audio monitoring systems equipped with UHF digital bug, the high power wireless transmitter receiver kit DIGI-UHF stands out for its innovative features linked to radio frequency listening from the distance. This amazing transmitting/receiving kit is commercialized with two kind of transmitters, DIGI12-UHF (400m range) and DIGI100-UHF (range over …

How to eavesdrop from a distance with a GSM bug transmitter

One of the most interesting features of audio GSM bug transmitters is basically the ability to eavesdrop room sounds or voices from any distance without the use of a receiver. You only need to call the SIM number inserted in the device in order to activate it. Said that we …

Why to choose a radiofrequency audio bug?

Before going on to list the advantages of a radio frequency bug, compared to a common GSM bug, we would like to focus on the differences between the two types of transmitters. Thus we will do it by linking ourselves to our business experience saying: radio bugs will continue to …

How to monitor everything with an IP WiFi micro camera

Micro IP cameras are widely used in audio/video surveillance field to monitor or keep an eye on places, cars, people etc. from distance. They also offer great benefits both in practicity and convenience, just think of the high cost of some wired analogue camera systems. Anyway the main purpose of a …

Microregistratori digitali

A chip to detect neurodegenerative diseases in early stages

agosto 11, 2010 Biotechnology No Commenti

Scientists from the Faculty of Medicine at University of Calgary (Canada) have just disclosed the result of a research project which could represent a real milestone in the history of the struggle against neurodegenerative diseases, such as for example Parkinson’s or Alzheimer.

In fact, the Canadian research team, lead by Naweed Syed, has created a microchip which is capable of detecting small changes in micro electric communication between brain cells, and therefore analyze how these changes may be a sign of the first symptoms of serious diseases.

These neurochips can also be installed in a cultivation of brain cells, which will use it to communicate with each other while, in turn, the chip would analyze the communication between human brain cells. Initially this was only possible for a few cells at the time, while now, a newer and improved version of this neurochip can work even with large groups of cells.

In this way, extracting a sample of brain cells from a patient, it will be possible to examine the way they connect to each other, matching it with how a perfectly functioning group of cells would work. Detecting any imperfection in the transmission of ions between cells, it is possible to detect the early stages of a neurodegenerative disease.

Neurochips are automated, so anyone can implant brain cells. For doctors this means no need for complicated training programs on brain scanners that must anyway be operated under the supervision of a specialized technician. Now, the doctor can be a technician as well, with obvious improvements in terms of flexibility of the analysis work, as well as time saving, hopefully meaning a good result for patients suffering from diseases such as Alzheimer or Parkinson.

Listening bugs are safe, for now

agosto 11, 2010 Technology No Commenti

Those who have followed political life in Italy lately will certainly have noticed how the headlines are no longer arguing about the proposed bill, better known as “gag bill” which was supposed to impose limitations on telephone wiretapping, while at the same time it was raising serious doubts about his legitimacy and the real reason why this bill was supposed to pass.

Difficulties within the centre-right coalition, and the split of a party only apparently monolithic and centered on Berlusconi’s figure as an absolute Chief, have taken the spotlight, leaving discussion on this bill in the shade. To tell the truth, the bill on eavesdropping has been one of the reasons for this crisis, ultimately leading to a split between supporters of the absolute Chief and those, in the coalition that supports the Government, that keep ears and eyes open to listen to the cry for law, order and honesty coming not only from their electorate, but from electors of other parties.

The ones that just left the PDL party had already raised exceptions and suggested amendments to the gag bill, so much that it would have been completely changed, taking it into a direction that, obviously, would not have been useful for the interests of the Prime Minister and of others who would silently have benefited from this law.

Therefore, because of this split, the Berlusconi administration is no longer (or not only) negotiating amendments to the bill that would regulate the recourse to listening bugs, but also to reach a stable majority to keep ruling the country.

For what it matters, from our little corner on the Web, we will maintain our no to a bill that does not really heed the cry for privacy coming from the common man (who would have nothing to fear if he leads a honest life), but rather heeds that coming from those who would not want their dirty deals to be exposed.

After electric helicopters, we need water-powered ones…

agosto 11, 2010 Technology No Commenti

…and here is one! With a perfect sense of timing, since in the last few days we were talking about energy saving and usage of alternative, renewable and clean sources of power for helicopters and aircraft of various kinds, here comes news about the presentation of Dragon Fly, a one-seat helicopter, powered by hydrogen which, as you might know, emits water as a by-product after combustion.

Therefore, our hydrogen helicopter is absolutely not polluting the air. Its source of power is based on the usage of hydrogen peroxide, diluted at a 50% or 70% grade, and used to provide power to a small rocket engine, which is just 20 cm long and weighing less than one kilo, but despite its small size generates up to 102hp of power.

Dragon Fly uses two of these rockets, mounted on the tips of its rotors, and thanks to this it is able to reach, along with its only passenger on board, a maximum speed of around 100 knots. On top of this, commands are very intuitive and easy to master.

The only inconvenience at the present stage lies in the quite high consumption rate of hydrogen peroxide. In fact, in order to fly, the chopper needs up to 45 liters of fuel per hour. Considering that one liter of hydrogen peroxide would cost more or less $1, one hour of flight is not exactly cheap.

Introduced during the recent AirVenture 2010 in Wisconsin, Dragon Fly was designed by the Swiss engineer Riccardo Cavalcanti; of course, this prototype is not for sale yet, and the final price idea, but should be somewhere in the 120 thousand dollars region, makes it suitable for those with no financial problems who like to hover around in their one-seat emission-free toy.

The most secure USB drive in the world

agosto 11, 2010 Technology No Commenti

Or at least, if not the most secure, certainly among the first, and sure enough, a nice bit of trouble for any aspiring hacker who should accidentally run into one of them wishing to find out what it contains.

We are talking about the latest release by MXI Security, specializing in security when carrying sensitive data via USB drives. Their Stealth M series, and in particular the Stealth MXP Bio model, has just been released in a new 64 Gb format, which represents a further addition to a line of products starting at 1 Gb.

In particular, these USB drives are designed for being used by government agencies or armed forces, which for obvious reasons make security and protection of their sensitive data an absolute priority. The MXP Bio model, apart from featuring a 256-bit AES encryption, is also equipped with a 3-level authentication process, with a combination of passwords, teamed up with a biometric scanner, as well as support for CAC/PIV cards with PIN code, used by government officials.

The processor inside this drive, which is FIPS 140-2 Level 3 certified, is supplied by Bluefly, the world leader in production of security processors for USB drives, and along with the security features outlined above, MXP Bio is also equipped with a particular version of Windows, called Stealth Zone Embedded Standard Edition, which can boot up Windows directly from the USB drive, thus preventing the computer on which it is used from having direct access to any data stored on it; basically, the computer is only used to browse contents, and once the USB drive is unplugged, data can not be retrieved.

In a few words, if your USB drive is one of those 800 thousand which get lost every year worldwide, with a Stealth drive you can sleep tight, your data is safe.

If you ask for a light, be careful!

agosto 10, 2010 Technology No Commenti

The smoking habit is already connected with so many risks and dangers, that we will not be the ones to remind you how unhealthy it is. But for those who, along with the habit of cigarettes, also have something to hide, this could turn into a much bigger problem if they happen to run into someone who offers them a light with a video recorder lighter, thus recording their movements while pretending to help.

Of course, Light Cam is not a normal cigarette lighter, although it actually works like one to avoid unnecessary suspicions. On the inside, though, it conceals a miniature viewer and an equally tiny microphone, and thanks to them it is capable of recording video and audio tracks, as well as taking high definition image stills.

To start recording, it will be enough to press the button as you would do when lighting up, and by doing this, with an absolutely natural gesture, you will start putting the people around you on video without them being aware of it.
The recorded movies and photos are then stored on a Micro SD memory card, with a maximum capacity of up to 8 Gb. Once the recording job is over, just remove the cover to expose a comfortable USB plug, which can be easily connected to your computer to download its contents within seconds.

Possibilities of use are basically unlimited, as any moment of our day could potentially give us the opportunity of recording events without being noticed: from a meeting at work, to an argument with an annoying neighbor, all the way to a professional use for detectives or police forces who might use this kind of devices to gather evidence of marital infidelity cases, of corporate espionage and so on.

A first step towards electric helicopters for Sikorsky

agosto 10, 2010 Technology No Commenti

Sikorsky, manufacturer of several choppers among the most popular with armed forces worldwide, have just introduced their Project Firefly, aimed at developing electrically powered helicopters.

Currently, the visible part of the Firefly Project is a demonstrator, which has been showcased at the AirVenture 2010 fair, based on a S-300C light helicopter, with an electric engine in place of the traditional one, capable of generating a 190-horse power thanks to a series of Li-ion battery packs placed on the flanks.

Firefly is the first step towards an age of electric choppers, and apart from the innovation in its power supply method, it features significant changes in on-board electronics with a new generation of pilot display, while the mechanical part is basically unchanged.

The electric engine, designed by the California based U.S. Hybrid, is an evolution of a model studied for cars, with adjustments which make it suitable for being mounted on an helicopter, for example an additional 40-horse if compared to the original version.

According to a comparison by Sikorsky, efficiency of its main rotor would increase threefold (from 25% to 76%) with an electric engine instead of a traditional one, while the loss of heat is limited to a mere 15% from 73% with the previous version.

Speed and loading capacity are basically unchanged from the original version, but the real weakness, for this electric prototype, at least in the early stages, is range, which dropped from an initial three hours and 40 minutes to a measly 15 minutes. The problem should be tackled by adopting Lithium-air batteries, much lighter and with efficiency nine times higher.

Looks like electric manned helicopters are moving their first steps, but once the range issue has been solved, the future seems to be in their hands!

Google is purchasing a drone. What do they have in mind?

agosto 10, 2010 Technology No Commenti

According to some German newspapers, Google recently went shopping in Germany, to be more precise in the small town of Buchen, siege of Microdrones GmbH, a factory which, as the name may suggest, produces drones, or more specifically, miniature quadricopters.

Microdrones’ quadricopters are devices which, in spite of their small size, have a $60K price tag, and that can host an array of equipment for photography, video, geographical or scientific measurements, for a range of possible application which can go from aerial video surveillance, to scientific missions and terrain monitoring.

The purchase of one of these drones by a giant like Google, according to unconfirmed rumors, seems to be a move in this exact direction, and although the Mountain View multinational has not released any official comment (or any comment whatsoever) about it, the Microdrones president has declared that this could mark the beginning of a fruitful cooperation between the two parties.

According to some in the know, Google is studying the release of a “live” version of Google Earth, which would allow its users to see what is going on in specific corners of the Earth, and to see it in real time.

For aerial surveillance enthusiasts this looks like great news, but it might as well be great news for criminals and terrorists; on the contrary, fighters for the right to privacy at all costs might see it as one more step towards that Big Brother which from the pages of George Orwell’s book, is slowly but steadily making its way into everyone’s everyday life.

In any case, it’s only rumors so far, the only sure thing is that Google purchased a drone, to know how thy will actually use it, all we have to do is wait!

A necklace or a hidden video camera?

agosto 10, 2010 Technology No Commenti

As men, we know how our women love to be always well dressed and accurate up to the smallest detail of their style, and how everything must be in harmony, from shoes to hairstyle, from shirt to necklace.

What we might not know, instead, is that what apparently looks like a simple and normal necklace, just another feminine detail, is actually concealing a miniature camera capable of recording movements and sounds around it thanks to its needle viewer, without having anyone notice what is really going on.

The trinket hanging from this camera necklace works just like a real hidden camera, and its quick audio and video recording function can be started by simply pressing a button, with a simple and apparently casual gesture like twirling the necklace between fingers.

At that point, recording is started with a 640×480 pixel resolution for videos, and 1280×960 for photo stills, a viewing angle of 65 degrees and normal operation even in low lighting condition with a sensitivity of 1 Lux.

This camera hidden inside a necklace can shoot up to 8 Gb of footage, which is stored on a replaceable Micro SD card housed inside the pendant. Once the recording is over, downloading it on your computer is a matter of a few seconds, thanks to the embedded USB connection plug, with no need to install any driver or management software.

As we know, women’s seduction weapons never fail, but those who have something to hide may have to be a little extra careful when dealing with other weapons supplied by technology!

For more information on operation and prices of hidden cameras, we suggest that you visit the Endoacustica website.

Eyes of a bee for flying robots

agosto 10, 2010 Technology No Commenti

Bees, as Mother Nature gave them a very small brain, have to place a great deal of trust in their visual abilities in order to survive and get oriented in ever-changing environments. To better understand how these little insects’ sight works, and how it affects their lives, a group of scientists from the German University of Bielefeld has created an artificial eye, which in its creators’ hoes might reveal the secret behind their orientation and processing of flight information.

The final aim is to use the acquired knowledge, applying it to technologies such as miniature planes (MAV, Micro Aerial Vehicles) whose potential can be greatly improved. The artificial bee eye is made up by the combination of a lens and a mirror, teamed up to form some sort of dome which reflects images towards the inside, where a single video camera is placed, which is so able to gather these images with a 280 degree visual angle.

Those images are then digitally merged in order to obtain a perfect focus even with such a wide viewing angle. Any attempts tried before had not been able to achieve such results under the point of view of image accuracy and detail, and such a result could only be achieved by using two cameras, which would have been too heavy on a MAV.

Of course, everything is still being improved and fine-tuned, for example studying the possibility of displaying ultraviolet light, which bees can see naturally and which would make the whole system even closer to the insects’ eye, hoping that it finally leads to a better understanding of how their eyes process images and send the relevant neural stimulations to the brain.

Low-cost underwater cameras from Japan

agosto 10, 2010 Technology No Commenti

The Rising Sun country has always been synonymous with technological innovation and quality, which often go together with a relatively low price. In this case, most of the attention was aimed at keeping a low level in terms of price, with the final result of a product that is totally average in terms of quality, but with an interesting 150-dollar price tag.

We are talking about DV5000UW, an underwater camera, manufactured by Exemode, equipped with a 5.17 megapixel CMOS sensor, and capable of shooting video footage with a 720p resolution, or taking still images with a 3 megapixel resolution, even underwater with a maximum depth of approximately 10 meters.

Thanks to its 2.7” LCD display, the images being captured are shown in real time and in pretty good quality. To better appreciate them and see them in a larger format, DV5000UW can also be connected to a high definition TV set thanks to its HDMI output.

As we said, we are talking about a product with a quite low target, and the low-cost philosophy can be spotted in its built-in memory standard configuration, limited to a mere 32 Mb. Therefore, should you decide to fork out those 150 dollars, you should also include a little extra expense to add a few more memory cards to guarantee a longer duration of your videos. Space is limited here as well though, as DV5000UW only supports up to 16 Gb memory cards, unlike more expensive models which can easily handle a 64 Gb card.

In short, it is a product without big ambitions, which could be OK as a present to be used for amateur videos without any big expectation. For a professional use, there are bigger names (and significantly higher prices) one should look to.


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Hop! the suitcase that follows you

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